40 Modems 10

Reset All

Part	Manufacturer	Telecom IC Type	Temperature Grade	Terminal Form	No. of Terminals	Package Code	Package Shape	Package Body Material	Surface Mount	No. of Functions	Technology	Nominal Negative Supply Voltage	Maximum Supply Current	Nominal Supply Voltage	Power Supplies (V)	Package Style (Meter)	Package Equivalence Code	Sub-Category	Terminal Pitch	Maximum Operating Temperature	Minimum Operating Temperature	Terminal Finish	Terminal Position	Data Rate	JESD-30 Code	Maximum Seated Height	Width	Qualification	Additional Features	JESD-609 Code	Length
73K222U-IP	Texas Instruments	MODEM	INDUSTRIAL	THROUGH-HOLE	40	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	1				5 V		IN-LINE			2.54 mm	85 Cel	-40 Cel		DUAL	.0012 Mbps	R-PDIP-T40	5.588 mm	15.24 mm	Not Qualified			51.943 mm
AD9971	Analog Devices	MODEM-SUPPORT CIRCUIT	OTHER	NO LEAD	40	QCCN	SQUARE	UNSPECIFIED	YES	1				1.8 V		CHIP CARRIER				85 Cel	-25 Cel		QUAD		S-XQCC-N40
73K222AU-IP	Analog Devices	MODEM	INDUSTRIAL	THROUGH-HOLE	40	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	1	CMOS			5 V		IN-LINE			2.54 mm	85 Cel	-40 Cel		DUAL	.0012 Mbps	R-PDIP-T40	5.588 mm	15.24 mm	Not Qualified	DATA RATE MIN:300BPS		51.943 mm
73M2901CL-IGT	Analog Devices	MODEM	INDUSTRIAL	GULL WING	40	LQFP	SQUARE	PLASTIC/EPOXY	YES	1				3.3 V		FLATPACK, LOW PROFILE			.8 mm	85 Cel	-40 Cel		QUAD	.0024 Mbps	S-PQFP-G40	1.6 mm	10 mm	Not Qualified			10 mm
TS7542CP	STMicroelectronics	MODEM-SUPPORT CIRCUIT	COMMERCIAL	THROUGH-HOLE	40	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	1		-5 V	35 mA	5 V	+-5	IN-LINE	DIP40,.6	Modems	2.54 mm	70 Cel	0 Cel	TIN LEAD	DUAL	.0096 Mbps	R-PDIP-T40	5.08 mm	15.24 mm	Not Qualified		e0
TDA8296HN	NXP Semiconductors	MODEM-DEMODULATOR		NO LEAD	40		SQUARE	PLASTIC/EPOXY	YES							CHIP CARRIER							QUAD		S-PQCC-N40			Not Qualified
935288611518	NXP Semiconductors	MODEM-DEMODULATOR		NO LEAD	40	HVQCCN	SQUARE	PLASTIC/EPOXY	YES	1						CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE			.5 mm				QUAD		S-PQCC-N40	1 mm	6 mm		ALSO REQUIRES 3.3 V		6 mm
935288611557	NXP Semiconductors	MODEM-DEMODULATOR		NO LEAD	40	HVQCCN	SQUARE	PLASTIC/EPOXY	YES	1						CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE			.5 mm				QUAD		S-PQCC-N40	1 mm	6 mm		ALSO REQUIRES 3.3 V		6 mm
935288611551	NXP Semiconductors	MODEM-DEMODULATOR		NO LEAD	40	HVQCCN	SQUARE	PLASTIC/EPOXY	YES	1						CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE			.5 mm				QUAD		S-PQCC-N40	1 mm	6 mm		ALSO REQUIRES 3.3 V		6 mm
73M2901CL-IGT/F	Maxim Integrated	MODEM	INDUSTRIAL	GULL WING	40	LQFP	SQUARE	PLASTIC/EPOXY	YES	1				3.3 V		FLATPACK, LOW PROFILE			.8 mm	85 Cel	-40 Cel		QUAD	.0024 Mbps	S-PQFP-G40	1.6 mm	10 mm	Not Qualified			10 mm

Modems

A modem, short for modulator-demodulator, is a device used to convert digital signals into analog signals for transmission over telephone lines or other analog communication channels. Modems can also receive and decode analog signals and convert them back into digital signals. They are used to provide internet connectivity, transmit data over long distances, and connect to remote devices.

Modems use a technique called modulation to convert digital signals into analog signals that can be transmitted over an analog communication channel. This involves changing the amplitude, frequency, or phase of the signal in response to the digital data being transmitted. At the receiving end, the modem uses a technique called demodulation to convert the analog signal back into a digital signal that can be processed by the receiving device.

Modems also use various modulation and demodulation techniques to ensure reliable and efficient transmission of data. These techniques include phase-shift keying (PSK), quadrature amplitude modulation (QAM), and frequency-shift keying (FSK), among others. The choice of modulation technique depends on the specific application and the characteristics of the communication channel being used.

There are several types of modems, including dial-up modems, cable modems, DSL modems, and wireless modems. Dial-up modems are the oldest type of modem and use the telephone network to transmit data at relatively slow speeds. Cable modems and DSL modems are used to provide high-speed internet connectivity over cable and phone lines, respectively. Wireless modems, also known as cellular modems, use wireless communication protocols to provide internet connectivity over cellular networks.

Modems are an essential technology for modern communication systems, enabling the transmission of data over a variety of communication channels and protocols. As the technology continues to evolve, we can expect to see even more advanced and innovative modems in the future.