HVQCCN Other Function Telecom Interface ICs 1,394

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Part RoHS Manufacturer Telecom IC Type Temperature Grade Terminal Form No. of Terminals Package Code Package Shape Total Dose (V) Package Body Material Applications Surface Mount No. of Functions Output Code No. of Channels Technology Screening Level Nominal Negative Supply Voltage No. of Transceivers Maximum Supply Current Nominal Supply Voltage Hybrid Input Code Power Supplies (V) ISDN Access Rate Package Style (Meter) Package Equivalence Code Sub-Category Carrier Type-3 Terminal Pitch Maximum Operating Temperature Resolution (um) Battery Supply (V) Minimum Output High Voltage Maximum Output Low Voltage Standard Minimum Operating Temperature Maximum Gain Tolerance Terminal Finish Maximum Output Voltage Terminal Position Data Rate JESD-30 Code Reference Point Output (V) Moisture Sensitivity Level (MSL) Maximum Seated Height Linear Coding Carrier Type-2 Carrier Type-1 Width Qualification Maximum Output Low Current Companding Law Input Type Additional Features Battery Feed Maximum Analog Input JESD-609 Code Maximum Time At Peak Reflow Temperature (s) Peak Reflow Temperature (C) Length Filter

TSC2200IRHBG4

Texas Instruments

TELECOM CIRCUIT

INDUSTRIAL

NO LEAD

32

HVQCCN

SQUARE

PLASTIC/EPOXY

YES

1

2.7 V

CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

.5 mm

85 Cel

-40 Cel

NICKEL PALLADIUM GOLD

QUAD

S-PQCC-N32

2

1 mm

5 mm

Not Qualified

e4

30

260

5 mm

SN65LVPE501RGER

Texas Instruments

TELECOM CIRCUIT

INDUSTRIAL

NO LEAD

24

HVQCCN

SQUARE

PLASTIC/EPOXY

YES

2

2

CMOS

.12 mA

3.3 V

3.3

CHIP CARRIER

LCC24,.16SQ,20

Other Telecom ICs

.5 mm

85 Cel

-40 Cel

NICKEL PALLADIUM GOLD

QUAD

5 Mbps

S-PQCC-N24

2

1 mm

4 mm

Not Qualified

e4

30

260

4 mm

CC1120RHMT

Texas Instruments

TELECOM CIRCUIT

INDUSTRIAL

NO LEAD

32

HVQCCN

SQUARE

PLASTIC/EPOXY

YES

1

3 V

3

CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

LCC32,.2SQ,20

Other Telecom ICs

.5 mm

85 Cel

-40 Cel

NICKEL PALLADIUM GOLD

QUAD

S-PQCC-N32

3

.9 mm

5 mm

Not Qualified

e4

30

260

5 mm

CC2533F64RHAT

Texas Instruments

TELECOM CIRCUIT

AUTOMOTIVE

NO LEAD

40

HVQCCN

SQUARE

PLASTIC/EPOXY

YES

1

3 V

CHIP CARRIER

.5 mm

125 Cel

-40 Cel

NICKEL PALLADIUM GOLD

QUAD

S-PQCC-N40

3

1 mm

6 mm

Not Qualified

e4

30

260

6 mm

SN65LVPE502RGER

Texas Instruments

TELECOM CIRCUIT

OTHER

NO LEAD

24

HVQCCN

SQUARE

PLASTIC/EPOXY

YES

2

2

CMOS

.12 mA

3.3 V

3.3

CHIP CARRIER

LCC24,.16SQ,20

Other Telecom ICs

.5 mm

85 Cel

0 Cel

NICKEL PALLADIUM GOLD

QUAD

5 Mbps

S-PQCC-N24

2

1 mm

4 mm

Not Qualified

e4

30

260

4 mm

CC1121RHMT

Texas Instruments

TELECOM CIRCUIT

INDUSTRIAL

NO LEAD

32

HVQCCN

SQUARE

PLASTIC/EPOXY

YES

1

3 V

3

CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

LCC32,.2SQ,20

Other Telecom ICs

.5 mm

85 Cel

-40 Cel

NICKEL PALLADIUM GOLD

QUAD

S-PQCC-N32

3

.9 mm

5 mm

Not Qualified

e4

30

260

5 mm

XCC3301ENJARSBR

Texas Instruments

TELECOM CIRCUIT

NO LEAD

40

HVQCCN

SQUARE

PLASTIC/EPOXY

YES

1

CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

LCC40,.2SQ,16

.4 mm

105 Cel

-40 Cel

QUAD

50 Mbps

S-PQCC-N40

.8 mm

5 mm

5 mm

XCC3300ENJARSBR

Texas Instruments

TELECOM CIRCUIT

NO LEAD

40

HVQCCN

SQUARE

PLASTIC/EPOXY

YES

1

CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

LCC40,.2SQ,16

.4 mm

105 Cel

-40 Cel

QUAD

50 Mbps

S-PQCC-N40

.8 mm

5 mm

5 mm

ADF5901WCCPZ-RL7

Analog Devices

TELECOM CIRCUIT

INDUSTRIAL

NO LEAD

32

HVQCCN

SQUARE

UNSPECIFIED

YES

1

AEC-Q100

3.3 V

CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

LCC32,.2SQ,20

.5 mm

105 Cel

-40 Cel

MATTE TIN

QUAD

S-XQCC-N32

3

.8 mm

5 mm

e3

30

260

5 mm

HMC701LP6CE

Analog Devices

TELECOM CIRCUIT

INDUSTRIAL

NO LEAD

40

HVQCCN

SQUARE

PLASTIC/EPOXY

YES

1

BICMOS

3.3 V

CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

.5 mm

85 Cel

-40 Cel

MATTE TIN

QUAD

S-PQCC-N40

1

.9 mm

6 mm

Not Qualified

e3

6 mm

ADF5901WCCPZ

Analog Devices

TELECOM CIRCUIT

INDUSTRIAL

NO LEAD

32

HVQCCN

SQUARE

UNSPECIFIED

YES

1

AEC-Q100

3.3 V

CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

LCC32,.2SQ,20

.5 mm

105 Cel

-40 Cel

MATTE TIN

QUAD

S-XQCC-N32

3

.8 mm

5 mm

e3

30

260

5 mm

ADL5390ACPZ

Analog Devices

TELECOM CIRCUIT

INDUSTRIAL

NO LEAD

24

HVQCCN

SQUARE

UNSPECIFIED

YES

1

BIPOLAR

5 V

CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

.5 mm

85 Cel

-40 Cel

QUAD

S-XQCC-N24

1 mm

4 mm

Not Qualified

NOT SPECIFIED

NOT SPECIFIED

4 mm

HMC914LP4ETR

Analog Devices

TELECOM CIRCUIT

INDUSTRIAL

NO LEAD

24

HVQCCN

SQUARE

PLASTIC/EPOXY

YES

1

3.3 V

3.3

CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

LCC24,.16SQ,20

ATM/SONET/SDH ICs

.5 mm

85 Cel

-40 Cel

MATTE TIN

QUAD

S-PQCC-N24

1

1 mm

4 mm

Not Qualified

e3

30

260

4 mm

HMC745LC3

Analog Devices

TELECOM CIRCUIT

INDUSTRIAL

NO LEAD

16

HVQCCN

SQUARE

CERAMIC, METAL-SEALED COFIRED

YES

1

3.3 V

CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

.5 mm

85 Cel

-40 Cel

GOLD OVER NICKEL

QUAD

S-CQCC-N16

3

.9 mm

2.9 mm

Not Qualified

e4

30

260

2.9 mm

ADL5386ACPZ-R2

Analog Devices

TELECOM CIRCUIT

INDUSTRIAL

NO LEAD

40

HVQCCN

SQUARE

UNSPECIFIED

YES

1

BIPOLAR

.245 mA

5 V

5

CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

LCC40,.24SQ,20

Other Telecom ICs

.5 mm

85 Cel

-40 Cel

MATTE TIN

QUAD

S-XQCC-N40

1 mm

6 mm

Not Qualified

e3

6 mm

ADL5354XCPZ-R21

Analog Devices

TELECOM CIRCUIT

INDUSTRIAL

NO LEAD

36

HVQCCN

SQUARE

UNSPECIFIED

YES

1

BICMOS

5 V

CHIP CARRIER

.5 mm

85 Cel

-40 Cel

QUAD

S-XQCC-N36

1 mm

6 mm

Not Qualified

6 mm

ADL5391ACPZ-R2

Analog Devices

TELECOM CIRCUIT

INDUSTRIAL

NO LEAD

16

HVQCCN

SQUARE

UNSPECIFIED

YES

1

BIPOLAR

5 V

CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

.5 mm

85 Cel

-40 Cel

MATTE TIN

QUAD

S-XQCC-N16

3

.9 mm

3 mm

Not Qualified

e3

30

260

3 mm

AD6121ACPRL7

Analog Devices

TELECOM CIRCUIT

INDUSTRIAL

NO LEAD

32

HVQCCN

SQUARE

UNSPECIFIED

YES

1

BICMOS

3 V

CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

.5 mm

85 Cel

-40 Cel

QUAD

S-XQCC-N32

1 mm

5 mm

Not Qualified

5 mm

ADL5386ACPZ-R7

Analog Devices

TELECOM CIRCUIT

INDUSTRIAL

NO LEAD

40

HVQCCN

SQUARE

UNSPECIFIED

YES

1

BIPOLAR

.245 mA

5 V

5

CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

LCC40,.24SQ,20

Other Telecom ICs

.5 mm

85 Cel

-40 Cel

MATTE TIN

QUAD

S-XQCC-N40

1 mm

6 mm

Not Qualified

e3

6 mm

HMC705LP4E

Analog Devices

TELECOM CIRCUIT

INDUSTRIAL

NO LEAD

24

HVQCCN

SQUARE

PLASTIC/EPOXY

YES

1

5 V

CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

.5 mm

85 Cel

-40 Cel

MATTE TIN OVER NICKEL

QUAD

S-PQCC-N24

1

1 mm

4 mm

Not Qualified

e3

40

260

4 mm

ADL5353XCPZ-WP1

Analog Devices

TELECOM CIRCUIT

INDUSTRIAL

NO LEAD

20

HVQCCN

SQUARE

UNSPECIFIED

YES

1

BICMOS

5 V

CHIP CARRIER

.65 mm

85 Cel

-40 Cel

QUAD

S-XQCC-N20

.9 mm

5 mm

Not Qualified

5 mm

HMC496LP3TR

Analog Devices

TELECOM CIRCUIT

INDUSTRIAL

NO LEAD

16

HVQCCN

SQUARE

PLASTIC/EPOXY

YES

1

3 V

3

CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

LCC16,.12SQ,20

Other Telecom ICs

.5 mm

85 Cel

-40 Cel

TIN LEAD

QUAD

S-PQCC-N16

1

1 mm

3 mm

Not Qualified

e0

235

3 mm

ADL5390ACPZ-REEL7

Analog Devices

TELECOM CIRCUIT

INDUSTRIAL

NO LEAD

24

HVQCCN

SQUARE

UNSPECIFIED

YES

1

BIPOLAR

5 V

CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

.5 mm

85 Cel

-40 Cel

MATTE TIN

QUAD

S-XQCC-N24

3

1 mm

4 mm

Not Qualified

e3

30

260

4 mm

HMC737LP4E

Analog Devices

TELECOM CIRCUIT

INDUSTRIAL

NO LEAD

24

HVQCCN

SQUARE

PLASTIC/EPOXY

YES

1

4.2 V

CHIP CARRIER

.5 mm

85 Cel

-40 Cel

MATTE TIN

QUAD

S-PQCC-N24

1

1 mm

4 mm

Not Qualified

e3

30

260

4 mm

HMC745LC3TR

Analog Devices

TELECOM CIRCUIT

INDUSTRIAL

NO LEAD

16

HVQCCN

SQUARE

CERAMIC, METAL-SEALED COFIRED

YES

1

3.3 V

CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

.5 mm

85 Cel

-40 Cel

QUAD

S-CQCC-N16

3

.9 mm

2.9 mm

30

260

2.9 mm

AD6684BCPZ-500

Analog Devices

TELECOM CIRCUIT

NO LEAD

72

HVQCCN

SQUARE

UNSPECIFIED

YES

1

.975 V

CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

.5 mm

MATTE TIN

QUAD

S-XQCC-N72

3

1 mm

10 mm

e3

30

260

10 mm

ADA4961ACPZN-R7

Analog Devices

TELECOM CIRCUIT

INDUSTRIAL

NO LEAD

24

HVQCCN

SQUARE

UNSPECIFIED

YES

1

BICMOS

3.3 V

CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

.5 mm

85 Cel

-40 Cel

NICKEL PALLADIUM GOLD

QUAD

S-XQCC-N24

3

.8 mm

4 mm

e4

30

260

4 mm

ADF5901ACPZ-RL7

Analog Devices

TELECOM CIRCUIT

INDUSTRIAL

NO LEAD

32

HVQCCN

SQUARE

UNSPECIFIED

YES

1

3.3 V

CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

LCC32,.2SQ,20

.5 mm

105 Cel

-40 Cel

QUAD

S-XQCC-N32

3

.8 mm

5 mm

30

260

5 mm

AD6674BCPZ-500

Analog Devices

TELECOM CIRCUIT

INDUSTRIAL

NO LEAD

64

HVQCCN

SQUARE

UNSPECIFIED

YES

1

1.25 V

CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

.5 mm

85 Cel

-40 Cel

MATTE TIN

QUAD

S-XQCC-N64

3

.8 mm

9 mm

e3

260

9 mm

HMC773LC3B

Analog Devices

TELECOM CIRCUIT

INDUSTRIAL

NO LEAD

12

HVQCCN

SQUARE

CERAMIC, METAL-SEALED COFIRED

YES

1

CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

.5 mm

85 Cel

-40 Cel

GOLD OVER NICKEL

QUAD

S-CQCC-N12

3

.92 mm

3 mm

Not Qualified

e4

260

3 mm

HMC739LP4ETR

Analog Devices

TELECOM CIRCUIT

INDUSTRIAL

NO LEAD

24

HVQCCN

SQUARE

PLASTIC/EPOXY

YES

1

5 V

CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

.5 mm

85 Cel

-40 Cel

MATTE TIN

QUAD

S-PQCC-N24

1

1 mm

4 mm

e3

30

260

4 mm

ADL5904

Analog Devices

TELECOM CIRCUIT

MILITARY

NO LEAD

16

HVQCCN

SQUARE

UNSPECIFIED

YES

1

CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

.5 mm

125 Cel

-55 Cel

QUAD

S-XQCC-N16

.8 mm

3 mm

3 mm

HMC737LP4TR

Analog Devices

TELECOM CIRCUIT

INDUSTRIAL

NO LEAD

24

HVQCCN

SQUARE

PLASTIC/EPOXY

YES

1

4.2 V

CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

.5 mm

85 Cel

-40 Cel

QUAD

S-PQCC-N24

1 mm

4 mm

4 mm

ADF5904ACPZ-RL7

Analog Devices

TELECOM CIRCUIT

INDUSTRIAL

NO LEAD

32

HVQCCN

SQUARE

UNSPECIFIED

YES

1

3.3 V

CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

.5 mm

105 Cel

-40 Cel

MATTE TIN

QUAD

S-XQCC-N32

3

.8 mm

5 mm

e3

30

260

5 mm

ADF5902WCCPZ-RL7

Analog Devices

TELECOM CIRCUIT

INDUSTRIAL

NO LEAD

32

HVQCCN

SQUARE

UNSPECIFIED

YES

1

AEC-Q100

3.3 V

CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

.5 mm

105 Cel

-40 Cel

QUAD

S-XQCC-N32

3

.8 mm

5 mm

260

5 mm

ADF5901ACPZ

Analog Devices

TELECOM CIRCUIT

INDUSTRIAL

NO LEAD

32

HVQCCN

SQUARE

UNSPECIFIED

YES

1

3.3 V

CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

LCC32,.2SQ,20

.5 mm

105 Cel

-40 Cel

QUAD

S-XQCC-N32

3

.8 mm

5 mm

30

260

5 mm

ADP5585ACPZ-01-R7

Analog Devices

TELECOM CIRCUIT

INDUSTRIAL

NO LEAD

16

HVQCCN

SQUARE

UNSPECIFIED

YES

1

1.8 V

CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

.5 mm

85 Cel

-40 Cel

MATTE TIN

QUAD

S-XQCC-N16

3

.8 mm

3 mm

e3

30

260

3 mm

AD8285WBCPZ-RL

Analog Devices

TELECOM CIRCUIT

INDUSTRIAL

NO LEAD

72

HVQCCN

SQUARE

UNSPECIFIED

YES

1

CMOS

AEC-Q100

1.8 V

CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

.5 mm

105 Cel

-40 Cel

MATTE TIN

QUAD

S-XQCC-N72

3

.9 mm

10 mm

e3

30

260

10 mm

HMC705LP4ETR

Analog Devices

TELECOM CIRCUIT

INDUSTRIAL

NO LEAD

24

HVQCCN

SQUARE

PLASTIC/EPOXY

YES

1

5 V

CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

.5 mm

85 Cel

-40 Cel

MATTE TIN

QUAD

S-PQCC-N24

1

1 mm

4 mm

e3

30

260

4 mm

ADF5902WCCPZ

Analog Devices

TELECOM CIRCUIT

INDUSTRIAL

NO LEAD

32

HVQCCN

SQUARE

UNSPECIFIED

YES

1

AEC-Q100

3.3 V

CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

.5 mm

105 Cel

-40 Cel

QUAD

S-XQCC-N32

3

.8 mm

5 mm

260

5 mm

HMC305BLP4E

Analog Devices

TELECOM CIRCUIT

INDUSTRIAL

NO LEAD

24

HVQCCN

SQUARE

PLASTIC/EPOXY

YES

1

3 V

CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

.5 mm

85 Cel

-40 Cel

QUAD

S-PQCC-N24

1 mm

4 mm

4 mm

LT5554IUH#TRPBF

Analog Devices

TELECOM CIRCUIT

INDUSTRIAL

NO LEAD

32

HVQCCN

SQUARE

PLASTIC/EPOXY

YES

1

5 V

CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

.5 mm

85 Cel

-40 Cel

MATTE TIN

QUAD

S-PQCC-N32

1

.8 mm

5 mm

Not Qualified

e3

30

260

5 mm

LT5557EUF#TRPBF

Analog Devices

TELECOM CIRCUIT

INDUSTRIAL

NO LEAD

16

HVQCCN

SQUARE

PLASTIC/EPOXY

YES

1

3.3 V

CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

.65 mm

85 Cel

-40 Cel

MATTE TIN

QUAD

S-PQCC-N16

1

.8 mm

4 mm

Not Qualified

e3

30

260

4 mm

ADL5353XCPZ-R71

Analog Devices

TELECOM CIRCUIT

INDUSTRIAL

NO LEAD

20

HVQCCN

SQUARE

UNSPECIFIED

YES

1

BICMOS

5 V

CHIP CARRIER

.65 mm

85 Cel

-40 Cel

QUAD

S-XQCC-N20

.9 mm

5 mm

Not Qualified

5 mm

ADF9010BCPZ-RL

Analog Devices

TELECOM CIRCUIT

INDUSTRIAL

NO LEAD

48

HVQCCN

SQUARE

UNSPECIFIED

YES

1

BICMOS

.41 mA

3.3 V

3.3

CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

LCC48,.27SQ,20

Other Telecom ICs

.5 mm

85 Cel

-40 Cel

MATTE TIN

QUAD

S-XQCC-N48

3

1 mm

7 mm

Not Qualified

e3

260

7 mm

AD6121ACP

Analog Devices

TELECOM CIRCUIT

INDUSTRIAL

NO LEAD

32

HVQCCN

SQUARE

UNSPECIFIED

YES

1

BICMOS

3 V

3

CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

LCC32,.2SQ,20

Other Telecom ICs

.5 mm

85 Cel

-40 Cel

TIN LEAD

QUAD

S-XQCC-N32

1 mm

5 mm

Not Qualified

e0

5 mm

AD6684BCPZRL7-500

Analog Devices

TELECOM CIRCUIT

NO LEAD

72

HVQCCN

SQUARE

UNSPECIFIED

YES

1

.975 V

CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

.5 mm

MATTE TIN

QUAD

S-XQCC-N72

3

1 mm

10 mm

e3

30

260

10 mm

ADL5353ACPZ-R7

Analog Devices

TELECOM CIRCUIT

INDUSTRIAL

NO LEAD

20

HVQCCN

SQUARE

UNSPECIFIED

YES

1

BICMOS

5 V

CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

.65 mm

85 Cel

-40 Cel

MATTE TIN

QUAD

S-XQCC-N20

1

.9 mm

5 mm

Not Qualified

e3

5 mm

Other Function Telecom Interface ICs

Other Function Telecom Interface ICs are electronic components used in telecommunications systems to provide specialized functionality beyond basic data transmission. These ICs are designed to perform a range of functions such as signal processing, protocol conversion, and power management. They are used in a wide range of telecommunications applications, including wired and wireless communication systems, VoIP (Voice over Internet Protocol) systems, and telephone networks.

Some common types of Other Function Telecom Interface ICs include:

1. Codec ICs: These ICs are used to encode and decode audio signals for high-quality voice communication over telecommunication networks. They provide a range of features such as noise reduction, echo cancellation, and voice activation.

2. Power management ICs: These ICs are used to manage the power supply and battery life of telecommunication devices. They regulate voltage and current to ensure efficient operation and prevent damage to the device.

3. Signal conditioning ICs: These ICs are used to enhance the quality of signals transmitted over telecommunication networks. They can filter out noise and interference, amplify signals, and correct distortions in the signal.

4. Switching ICs: These ICs are used to switch between different communication channels and protocols, enabling communication between different devices and networks.