Active filters amplify desired signals while rejecting unwanted frequencies, and can be tailored to meet application-specific requirements in electronics.
Amplifiers boost signal strength, match impedance levels, and are essential in many circuit systems, including audio, broadcasting, and telecommunications.
Batteries store and provide electrical energy, come in various types and sizes for multiple uses, rechargeable or single-use.
Capacitors store electrical charge with metallic plates and a dielectric; types vary and can be combined for specific circuit characteristics.
Chip carriers and sockets provide an interface between components and PCBs, enabling easy replacement or upgrading without soldering.
Circuit protection devices prevent damage from overcurrent flow, including fuses, breakers, surge protectors, and voltage regulators.
Connector accessories and support devices aid connector function and longevity, including backshells, grips, clamps, and ties; must be compatible with connector type.
Connectors join electronic circuits to transfer signals and power, come in various sizes and shapes, and include support accessories.
Converters transform DC input to another voltage level, essential in electronic systems, renewable energy, and automotive electronics.
Crystals and resonators generate and stabilize frequency signals via piezoelectricity. They are used in timing, frequency control, and filters. Crystals are quartz and resonators are ceramic with a built-in capacitor.
Semiconductor diodes control current flow in one direction (uni-directionality) via low resistance. Useful for rectification, voltage regulation, detection, and digital logic.
Discover essential electronic components for your devices, including CPU accelerators, system cache controllers, computer processors, motherboards, and graphics computing systems. Enhance device performance and connectivity with reliable components engineered for seamless integration and optimal functionality.
Fiber optics use light pulses to transmit data over long distances. They have superior bandwidth capacity, low signal attenuation, and secure physical properties. They are essential in telecommunications networks today.
Filters enhance signal processing by selectively passing desired frequencies while suppressing unwanted ones. Filters can be passive (using capacitors, resistors, and inductors) or active (using transistors or amplifiers).
Flash devices are non-volatile storage solutions that offer fast read and write speeds, making them ideal for applications requiring high-speed data transfer. These devices utilize flash memory technology, providing reliable storage for data-intensive tasks such as gaming, multimedia, and enterprise-level applications.
General purpose ICs consist of multiple individual circuits or components (e.g., logic gates, amplifiers, oscillators, etc.) that are combined onto a single integrated circuit chip for a smaller physical footprint.
I/O and storage controllers are crucial components in computer systems, managing input/output operations and storage devices. These controllers facilitate efficient data transfer between peripherals, storage drives, and the central processing unit (CPU), enhancing system performance and enabling seamless connectivity.
Inductors store energy in magnetic fields, oppose sudden changes in current flow and prevent electrical surges. Common inductor applications include power supplies, signal filters, and oscillators.
Interface ICs allow efficient device connectivity with high-speed data transfer and low power consumption.They can be ASIC or FPGA types, and may perform additional functions such as sensing, storage, and conversion.
Logic ICs can be used for storage, memory, amplification, and multiplexing. They perform fundamental logical operations on digital input signals (1, 0, H, L) to generate a corresponding digital output signal.
Memory modules are essential components in electronic devices, storing data temporarily or permanently for processing and retrieval. From volatile RAM (Random Access Memory) to non-volatile ROM (Read-Only Memory), memory technologies vary in speed, capacity, and functionality, catering to diverse application requirements.
Memory ICs store digital data and retain the information even when the power is turned off. They come in various types, like RAM (Random Access Memory) for fast data access, and ROM (Read-Only Memory) for permanent data storage.
Miscellaneous semiconductor components are a diverse category of electronic components that combines elements from a mix of component devices.
Optoelectronic devices interact with light. This family of devices can emit light, detect light, generate current, and transmit light signals for long-distance communication.
Oscillators generate repetitive waveforms, such as sine, square, or triangle waves. They are commonly used to produce stable and precise frequencies for applications like clocks, signal generation, and communication systems.
Other Function Semiconductor components are a diverse category of semiconductor components that perform a range of specialized functions.
Passive component networks operate without a power source and support data transmission within system by performing filtering, energy storage, and/or signal coupling functions.
Peripheral ICs (Integrated Circuits) are designed to control and manage the peripheral devices connected to a computer or other electronic device.
Programmable Logic ICs are user-programmable devices that allow designers to create custom logic circuits. These cost saving ICs offer real-time data processing and maximum design flexibilty.
RF (Radio Frequency) and microwave devices are used in telecommunications, wireless communications, and electronic systems. These devices include amplifiers, attenuators, filters, mixers, oscillators, and antennas, and a host of other components.
Voltage regulators are used to ensure a constant output voltage despite power fluctuations and load changes. Linear and switching regulators are common types used to maintain voltage stability.
Relays are electromagnetic switches that are used to control the flow of electrical current in an electrical circuit. Relays are a safe means of providing isolation between a controlling circuit and a controlled circuit.
Resistors control the flow of electrical current in a circuit by introducing a set resistance. These passive components reduce current flow, adjust signal levels, and bias active elements in circuits.
Transducers convert energy from one form to another and are crucial in sensing, audio and control systems. They transform physical measures like temperature, pressure, or sound into electrical signals for circuits.
Storage drives are hardware devices used to store and retrieve digital data in computers and electronic devices. These drives come in various forms, including hard disk drives (HDDs), solid-state drives (SSDs), and hybrid drives, offering different levels of capacity, speed, and durability to suit specific storage needs.
Storage media encompass physical or digital mediums used for storing and preserving digital data. From optical discs and magnetic tapes to USB flash drives and memory cards, storage media come in diverse formats and capacities, offering flexibility and reliability for data storage and archival purposes.
Storage systems comprise hardware and software components designed to manage and store digital data efficiently. These systems range from simple standalone devices to complex network-attached storage (NAS) and storage area network (SAN) solutions, providing scalable storage capacity and data protection features for businesses and enterprises.
Switches control electrical current flow by making or breaking connections. These devices vary in design and application, from basic on/off switches to complex industrial automation systems.
Telecom integrated circuits (ICs) are specialized electronics for telecommunications, tailored to high data rates, low power use, and reliable long-distance transmission. These devices include amplifiers, filters, ADCs, DACs, and more-- and they are often integrated on one chip for specific telecom tasks.
Terminal blocks, or connection terminals, are modular blocks that bring together multiple electrical wires at one connection point. They offer a reliable, organized way to terminate cables.
Thermal management devices control heat in electronic systems, preventing overheating and ensuring optimal performance and reliability. Examples include heat sinks, fans, and thermal interface materials that dissipate or transfer heat away from components.
Transformers are devices that alter electrical voltage levels between circuits through electromagnetic induction. They are vital in power distribution, converting high-voltage electricity for transmission and lower voltage for safe usage.
Transistors are 3-layer semiconductor devices that regulate the flow of electrical current. They function as amplifiers, boosting weak signals, and as switches, controlling the flow of current between terminals.
Triggering devices initiate electronic processes or events in response to specific conditions. These devices support many automated tasks such as activating switches and signals, or turning on lights when motion is detected.
Video cards, also known as graphics cards or GPU (Graphics Processing Unit), are essential components in computers, responsible for rendering graphics and images on display devices. These cards feature dedicated processors and memory, delivering smooth and immersive visual experiences for gaming, multimedia, and professional applications.
Choose from over than a million of proven quality materials. Over 300 manufacturers are presented. From renowned major international players to small independent companies with a proven track record in local markets.
Featured manufacturers
TCM29C13N by Texas Instruments is an Audio Codec with +-5V power supplies, 20 terminals, and A/MU-LAW companding law. It operates synchronously in commercial temperature grades for PCM CODEC applications. Package style is IN-LINE, rectangular shape, and made of PLASTIC/EPOXY material.
Median Price
-
Lifecycle Status
Suppliers In-Stock
9
In-Stock Inventory
1k+
Vyrian
1+ parts
100+ parts
1k+ parts
10k+ parts
Digiode
Lantek
Bristol Electronics
Corel Iberica Componentes, S.L.
ComSIT Distribution GmbH
ComSIT USA
Inland Empire Components Inc.
LWI Electronics Inc
Parana Technologies
$6.080
$564.582
$5.472
AZTECH Wire
$6.501
DigiPath Technology Company
$6.694
ChromeModa Solutions
$6.831
$5.601
IDEA Electronic Components Group
$6.148
One Stop Electronics
$578.000
A-Z Elektronik GmbH
Corphita
GreenTree Electronics
Assy Fe
A-Plus Industry Inc.
This durable and lightweight material ensures the product is long-lasting and easy to handle.
Synchronous operation helps maintain accurate timing and synchronization in audio processing.
Wide power supply range allows for flexibility in various voltage requirements.
Support for A/MU-law companding allows for efficient coding and compression of audio signals.
CMOS technology ensures low power consumption and high noise immunity, leading to efficient performance.
Specifically designed for use in telecommunication devices, offering high-quality audio encoding and decoding capabilities.
Built-in filter helps improve audio clarity and reduce noise interference.
Audio Codecs TCM29C13N attributes and parameters. Explore more Audio Codecs devices from Texas Instruments
Additional Features:
Companding Law:
Filter:
JESD-30 Code:
Length:
Linear Coding:
Nominal Negative Supply Voltage:
No. of Functions:
No. of Terminals:
Operating Mode:
Maximum Operating Temperature:
Minimum Operating Temperature:
Package Body Material:
Package Code:
Package Equivalence Code:
Package Shape:
Package Style (Meter):
Peak Reflow Temperature (C):
Power Supplies (V):
Qualification:
Maximum Seated Height:
Sub-Category:
Maximum Supply Current:
Nominal Supply Voltage:
Surface Mount:
Technology:
Telecom IC Type:
Temperature Grade:
Terminal Form:
Terminal Pitch:
Terminal Position:
Maximum Time At Peak Reflow Temperature (s):
Width:
TCM29C13N Telecommunications trade compliance attributes, and parameters.
HTS
8542.39.00.01
SB
8542.39.00.00
Texas Instruments Inc. (TI) is one of the world's leading semiconductor companies and a global leader in analog and digital signal processing technology. The company has had a major impact on the electronics industry for over 80 years, manufacturing integrated circuits (ICs), software and subsystems that leverage high-performance computing capabilities. It offers an extensive portfolio of solutions for a wide range of industries, from aerospace to medical devices and consumer products to communication systems. Over its long history, TI has become synonymous with quality, reliability and innovation. Today, TI is one of the largest semiconductor companies in the world with operations in more than 30 countries across six continents.
President, CEO
Haviv Ilan
Chairman
Richard K. Templeton
Senior VP, CFO
Rafael R. Lizardi
M - Fab
Fabrication
Fab Initiation
1997
USA
South Portland
Wafer Capacity
32,000
D - FAB
1966
Dallas
42,000
D MOS - 6
2002
25,000
D MOS - 5
1995
75,000
Miho - 8
1980
Japan
Inashiki
43,000
S FAB 1
Sherman
91,000
F - FAB
2001
Germany
Freising
37,000
R Fab 1
2010
Richardson
40,000
D HC Line
1999
2,000
JV3
Aizu Wakamatsu
45,000
C - FAB
2007
China
Chengdu
30,000
L - Fab
2015
Lehi
70,000
R - Fab 2
2022
S - FAB 2
2025
S - FAB 3
2028
2902037
Phoenix Contact
MODULAR TERMINAL BLOCK;
2N2222A
Micro Commercial Components
Small Signal Bipolar Transistors; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 300 MHz; Maximum Collector Current (IC): .8 A; JESD-609 Code: e0;
LM358MX
Fairchild Semiconductor
OPERATIONAL AMPLIFIER; Temperature Grade: COMMERCIAL; Terminal Form: GULL WING; No. of Terminals: 8; Package Code: SOP; Package Shape: RECTANGULAR;
LAN8720AI-CP-TR
Microchip Technology
LAN8720AI-CP-TR by Microchip is an Ethernet transceiver with 100 Mbps data rate, operating at -40 to 85 °C. It features a 3.3 V supply voltage, 54 mA supply current, and TS 16949 screening level. Ideal for network interfaces in industrial applications due to its compact square package and low profile design.
LL4148
Changzhou Starsea Electronics
RECTIFIER DIODE; Terminal Position: END; Terminal Form: WRAP AROUND; No. of Terminals: 2; Surface Mount: YES; Package Shape: ROUND;
M39029/58-360
Conesys
CONNECTOR ACCESSORY; MIL Conformity: YES; Mating Contacts: M39029/57-354; Terminal Type: CRIMP; DIN Conformity: NO; MIL-Connector Accessory Name: CONTACT;
1N4148
Digitron Semiconductors
RECTIFIER DIODE; Terminal Position: AXIAL; Terminal Form: WIRE; No. of Terminals: 2; Surface Mount: NO; Package Shape: ROUND;
AB26TRB-32.768KHZ--T
Abracon
AB26TRB-32.768KHZ--T by Abracon is a crystal oscillator with 20 ppm frequency tolerance, 126% stability, and 35000 ohm series resistance. Ideal for applications requiring 0.032768 MHz nominal frequency in surface mount configurations.
BAV99
Allegro MicroSystems
RECTIFIER DIODE; Terminal Position: END; Terminal Form: GULL WING; No. of Terminals: 3; Surface Mount: YES; Package Shape: RECTANGULAR;
E8WSDC12-32.768KTR
Ecliptek
PARALLEL - FUNDAMENTAL; Mounting Feature: SURFACE MOUNT; Frequency Tolerance: 20 ppm; Aging: 3 PPM/YEAR; Load Capacitance: 12.5 pF; Nominal Operating Frequency: .032768 MHz;
2N7002
North American Philips Discrete Products Div
N-CHANNEL; Configuration: SINGLE; Surface Mount: YES; Maximum Power Dissipation (Abs): .2 W; Operating Mode: ENHANCEMENT MODE; Maximum Drain Current (ID): .115 A;
SMBJ18CA
Goodwork Semiconductor
TRANS VOLTAGE SUPPRESSOR DIODE; Terminal Position: DUAL; Terminal Form: C BEND; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
Semiconductors
RECTIFIER DIODE; Surface Mount: NO; Maximum Repetitive Peak Reverse Voltage: 100 V; Config: SINGLE; No. of Phases: 1; No. of Elements: 1;
Frontier Electronics
Grande Electronics
Continental Device India
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: GULL WING; No. of Terminals: 3; Surface Mount: YES; Package Shape: RECTANGULAR;
Bytesonic Electronics
NPN; Configuration: SINGLE; Surface Mount: NO; Maximum Collector Current (IC): .8 A; Minimum Operating Temperature: -65 Cel; Terminal Position: BOTTOM;
LM78L05ACMX/NOPB
Texas Instruments
LM78L05ACMX/NOPB by Texas Instruments is a fixed positive single output standard regulator with an output voltage of 5V and max current of 0.1A. It operates b/w 0-125°C, has a dropout voltage of 1.6V, and can handle input voltages up to 30V making it ideal for various electronic applications requiring stable power supply.
BSS84-7-F
SPC TECHNOLOGY/ MULTICOMP
P-CHANNEL; Configuration: SINGLE WITH BUILT-IN DIODE; Surface Mount: YES; Maximum Power Dissipation (Abs): .36 W; Package Shape: RECTANGULAR; Transistor Element Material: SILICON;
TCM29C19DWR
TCM29C19DWR by Texas Instruments is a PCM CODEC with 16 terminals, operating from 0 to 70°C. It features MU-LAW companding law, -5V negative supply voltage, and 5V nominal voltage. This Audio Codec is ideal for telecom applications requiring synchronous/asynchronous operation in a small outline package.
TCM2909J-00
TCM2909J-00 by Texas Instruments is an audio codec with 22 terminals, operating in asynchronous mode. It features a companding law of MU-LAW and operates at temperatures from 0 to 70°C. Ideal for PCM codec applications in telecom, this rectangular package has a width of 10.16mm and max seated height of 5.08mm.
TCM29C18N
TCM29C18N by Texas Instruments is an Audio Codec with +-5V power supplies, 16 terminals, and 70°C max operating temp. Ideal for PCM CODEC applications in telecom ICs, featuring MU-LAW companding law and synchronous/asynchronous operation. Package style: IN-LINE, technology: CMOS, filter included.
HPA01179IRSBR
Texas Instruments' HPA01179IRSBR is a PCM CODEC with 40 terminals, operating from -40 to 85°C. It features synchronous operation, nickel palladium gold finish, and a compact square chip carrier package. Ideal for audio applications requiring precise signal processing in industrial environments.
TLV320AIC3100IRHBT
TLV320AIC3100IRHBT by Texas Instruments is an Audio Codec with 2 channels, operating in industrial temperature range. It features synchronous operation, two's complement input/output codes, and a resolution of 32um. Ideal for PCM codec applications in telecom industry due to its compact chip carrier package and low voltage supply requirement of 1.8V.
TCM320AC36IDWR
TCM320AC36IDWR by Texas Instruments is a 20-terminal PCM CODEC with A-LAW companding law, operating from -40 to 85 °C. It features synchronous/asynchronous mode, 13-bit linear coding, and small outline package suitable for telecom applications.
ETC5064D-X
STMicroelectronics
ETC5064D-X by STMicroelectronics is an Audio Codec with +-5V power supplies, 20 terminals, and companding law MU-LAW. It operates in synchronous/asynchronous mode for PCM codec applications in industrial temperature range from -40 to 85 °C.
TCM2914JW-00
TCM2914JW-00 by Texas Instruments is an Audio Codec with 24 terminals, operating in asynchronous mode. It features A/MU-LAW companding law, -5V nominal negative supply voltage, and 5V nominal voltage. This PCM CODEC is ideal for telecom applications due to its filter feature and commercial temperature grade.
TLV320AIC13CDBTR
TLV320AIC13CDBTR by Texas Instruments is a 2-channel audio codec with 16um resolution, operating at 1.8V and 3.3V. It features two's complement output/input codes, synchronous operation, and a small outline package suitable for telecom applications.
TP13064BJ
TP13064BJ by Texas Instruments is an Audio Codec with a ceramic, glass-sealed package. It operates in synchronous/asynchronous mode at +-5V power supplies. Ideal for telecom applications, it features 20 terminals, mu-law companding law, and a filter for industrial-grade temperature ranges.
TP3067ADWR
TP3067ADWR by Texas Instruments is a PCM CODEC with A-LAW companding law. It operates in SYNCHRONOUS/ASYNCHRONOUS mode, has 20 terminals, and supports -5V to 5V supply voltage range. This small outline package is ideal for telecom applications requiring audio codecs.
TCM4910N
Texas Instruments TCM4910N is a PCM CODEC with +-5,12V power supplies. It features 24 terminals in an IN-LINE package style. Ideal for telecom applications, it operates b/w 0-70°C with MU-LAW companding law.
TLV320AC36CPTR
TLV320AC36CPTR by Texas Instruments is a 48-terminal audio codec with 13-bit linear coding and companding law μ-law. It operates in synchronous/asynchronous mode, has a max supply current of 7.5mA, and is used in PCM codec applications for telecom ICs.
AIC111YER
AIC111YER by Texas Instruments is a PCM CODEC with 32 terminals, operating synchronously at temperatures from 0 to 70°C. This surface-mount audio codec features a filter and operates at a nominal voltage of 1.3V, suitable for telecom applications.
WM8960GEFL/V
Cirrus Logic
WM8960GEFL/V by Cirrus Logic is an audio codec with 32 terminals, operating from -40 to 85°C. It features companding law A/MU-LAW, a nominal voltage of 1.8V, and a filter for telecom PCM codec applications. This chip carrier package with a very thin profile is suitable for industrial temperature grade environments.
TLV320AC40CN
TLV320AC40CN by Texas Instruments is a 13-bit PCM CODEC with 3V supply voltage. Operating in synchronous/asynchronous mode, it features mu-law companding law and a filter. This audio codec, housed in a rectangular plastic/epoxy package, is ideal for telecom applications due to its commercial temperature grade and low 7.5mA max supply current.
MC14LC5480P
NXP Semiconductors
PCM CODEC; Terminal Form: THROUGH-HOLE; No. of Terminals: 20; Package Code: DIP; Package Shape: RECTANGULAR; Package Equivalence Code: DIP20,.3;
PCF8591TD
Philips Semiconductors
Codecs; Temperature Grade: INDUSTRIAL; Terminal Form: GULL WING; No. of Terminals: 16; Package Code: SOP; Package Shape: RECTANGULAR;
TP3054ADWR
TP3054ADWR by Texas Instruments is a PCM CODEC with +-5V power supplies, operating in synchronous/asynchronous mode. It features 16 terminals in a small outline package for audio applications. With companding law MU-LAW and filter included, it operates at -5V nominal negative supply voltage and 5V nominal voltage.
TLV320AC40IPTR
TLV320AC40IPTR by Texas Instruments is an Audio Codec with 48 terminals, operating at -40 to 85°C. It features companding law MU-LAW and operates on a 3V supply voltage. Ideal for PCM CODEC applications in industrial settings due to its compact flatpack design and low profile.
Partstack™ will investigate all reported instances of potential suspect/counterfeit part listings.
DRV3255EPAPRQ1
DRV3255EPAPRQ1 by Texas Instruments is a Motion Control IC with 64 terminals, operating at -40 to 150°C. It is an AEC-Q100 compliant automotive-grade IC for Brushless DC Motor control, supporting supply voltages from 5V to 90V and output currents up to 3.5A. The package style includes a flatpack with heat sink/slug, suitable for surface mount applications in automotive systems.
DS160PT801ACBR
DS160PT801ACBR by Texas Instruments is a bus controller IC with 339 terminals, operating at -40 to 85°C. It supports PCI bus compatibility with a data transfer rate of 2000 MBps. This CMOS technology device has a thin profile and fine pitch package suitable for industrial applications.
DRV8316RRGFR
DRV8316RRGFR by Texas Instruments is a motion control IC with a rectangular package and a terminal form of gull wing. It has a max output current of 8A and can operate at temperatures ranging from -40 to 125°C. This IC is commonly used as a brushless DC motor controller in automotive applications.
LMR43610MSC3RPERQ1
LMR43610MSC3RPERQ1 by Texas Instruments is a 9-terminal switching regulator with a max output voltage of 32V and max output current of 1A. Ideal for automotive applications, it operates b/w -40 to 150°C, featuring a buck switcher config and PWM control mode at up to 2200kHz frequency.
TPS7A4301DGQR
TPS7A4301DGQR by Texas Instruments is an adjustable positive single output LDO regulator with a max output voltage of 14.5V and a dropout voltage of 0.6V. It operates in temperatures ranging from -40 to 125°C, making it suitable for various applications requiring precise voltage regulation in compact spaces.
CC2662R1FTWRGZRQ1
CC2662R1FTWRGZRQ1 by Texas Instruments is a 32-bit microcontroller with Cortex-M4F CPU, 48 MHz clock frequency, and 81920 bytes of RAM. Ideal for industrial applications, it features 8 ADC channels, 32 DMA channels, and peripherals like AES and PWM for efficient system integration.
UCC27284DRCR
UCC27284DRCR by Texas Instruments is a MOSFET gate driver with 2 channels, capable of handling a max output current of 3.5A. It operates in automotive-grade temperatures (-40 to 125°C) and has a turn-on/off time of 30µs. This chip carrier package with very thin profile is suitable for high side driver applications requiring fast switching speeds.
TCM2914J
PCM CODEC; Temperature Grade: COMMERCIAL; Terminal Form: THROUGH-HOLE; No. of Terminals: 24; Package Code: DIP; Package Shape: RECTANGULAR;
TCM2910AN
TCM2909N
PCM CODEC; Temperature Grade: COMMERCIAL; Terminal Form: THROUGH-HOLE; No. of Terminals: 22; Package Code: DIP; Package Shape: RECTANGULAR;
TCM2913J-00
PCM CODEC; Temperature Grade: COMMERCIAL; Terminal Form: THROUGH-HOLE; No. of Terminals: 20; Package Code: DIP; Package Shape: RECTANGULAR;
TCM2910AN-10
TCM2910AJ-00
TCM2914JW
TCM2201N
Codecs; Temperature Grade: OTHER; Terminal Form: THROUGH-HOLE; No. of Terminals: 16; Package Code: DIP; Package Shape: RECTANGULAR;
TCM2910AN-00
TCM2909N-00
TCM2913J
TCM2910J
TCM2910AJ
TCM2914FN
PCM CODEC; Temperature Grade: COMMERCIAL; Terminal Form: J BEND; No. of Terminals: 28; Package Code: QCCJ; Package Shape: RECTANGULAR;
TCM2910AJW
TCM2201J
TCM2909J
TCM2909N-10
TCM2913-3J
Supply Digital Components
$106.00
$54.25
$11.90
$7.29
Quantity
12,000 In-Stock
Total price ≈ $80,197.29
© 2023 All rights reserved