74hc942
Abstract: 3.579MHz crystal 74vhc942 limiter-discriminator power line carrier communication dc 74VHC942N b37 diode National Semiconductor Audio/Radio Handbook power line carrier communication 74VHC
Text: October 1995 74VHC942 300 Baud Modem a 5V b 5V Supply General Description Features The 74VHC942 is a full duplex low speed modem It provides a 300 baud bidirectional serial interface for data communication over telephone lines and other narrow bandwidth channels It is Bell 103 compatible
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74VHC942
74hc942
3.579MHz crystal
limiter-discriminator
power line carrier communication dc
74VHC942N
b37 diode
National Semiconductor Audio/Radio Handbook
power line carrier communication
74VHC
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74vHC942
Abstract: 74hc942
Text: PRELIMINARY Semiconductor October 1995 74VHC942 300 Baud Modem + 5V, - 5 V Supply General Description Features The 74VHC942 is a full duplex low speed modem. It pro vides a 300 baud bidirectional serial interface for data com munication over telephone lines and other narrow band
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74hc942
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74hc942
Abstract: 74VHC942N 74vhc942 74VHC 74VHC942WM carrier detect phase shift
Text: PRELIMINARY October 1995 74VHC942 300 Baud Modem + 5V, - 5 V Supply General Description Features The 74VHC942 is a lull duplex low speed modem. It pro vides a 300 baud bidirectional serial interface for data com munication over telephone lines and other narrow band
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74VHC942
600il
74hc942
74VHC942N
74VHC
74VHC942WM
carrier detect phase shift
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74vhc942
Abstract: modem hybrid separates transmit 74VHC943 AN-314 C1995 MM74HC942 TP53130 AN-1016 national AN-314 national
Text: 74VHC942 and 74VHC943 Design Guide 74VHC942 and 74VHC943 Design Guide National Semiconductor Application Note 1016 October 1995 Table of Contents 4 The Hybrid 5) The Receive Filter 6) The FTLC Pin 7) The Carrier Detect Circuit a) Operation b) Threshold Control
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74VHC942
74VHC943
74VHC943
modem hybrid separates transmit
AN-314
C1995
MM74HC942
TP53130
AN-1016 national
AN-314 national
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Untitled
Abstract: No abstract text available
Text: PRELIMINARY October 1995 74VHC942 300 Baud Modem + 5V, - 5 V Supply General Description Features The 74VHC942 is a full duplex low speed modem. It pro vides a 300 baud bidirectional serial interface for data com munication over telephone lines and other narrow band
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74hc942
Abstract: No abstract text available
Text: PRELIMINARY Semiconductor 942 9 National 74VHC942 300 Baud Modem ( + 5V, - 5 V Supply General Description Features The 74VHC942 is a full duplex low speed modem. It pro vides a 300 baud bidirectional serial interface for data com munication over telephone lines and other narrow band
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74VHC942
bSD112E
74hc942
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74vhc942
Abstract: universal telemetry modem power line carrier communication dc 74VHC MM74HC942 D-S2256 WV5 64
Text: j^ e ^ 74VHC942 300 Baud Modem General Description Features The 74VHC942 is a full duplex tow speed modem. It pro vides a 300 baud bidirectional serial interface for data com munication over telephone lines and other narrow band width channels. It is Bell 103 compatible.
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600ft
Cep-01451.
212-S066
GCH0G21
universal telemetry modem
power line carrier communication dc
74VHC
MM74HC942
D-S2256
WV5 64
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74hc942
Abstract: 74vhc942 power line carrier communication dc 74VHC 74VHC942N 74VHC942WM
Text: PRELIMINARY October 1995 74VHC942 300 Baud Modem + 5V, - 5 V Supply General Description Features The 74VHC942 is a lull duplex low speed modem. It pro vides a 300 baud bidirectional serial interface for data com munication over telephone lines and other narrow band
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74VHC942
600il
74hc942
power line carrier communication dc
74VHC
74VHC942N
74VHC942WM
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Understanding 300 Baud Modem Specifications
Abstract: 74vhc942 74VHC943 C1995 MM74HC942 MM74HC943 VA300 distortion factor generator AN-1017 national TMS9
Text: National Semiconductor Application Note 1017 September 1995 Understanding the specifications commonly used for 300 Baud modems presents a major hurdle for first time modem buyers Not only are some specifications subtle but few standards exist so apparently similar specifications may reflect vastly different performance Understanding the conditions under which a modem is actually tested and how
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FULL WAVE RECTIFIER CIRCUITS
Abstract: AN10141 74vhc942 AN-1014 C1995 MM74HC942 SC-12 SC-15 discrete phase sequence detector national TV frequency synthesizer chip
Text: National Semiconductor Application Note 1014 October 1995 INTRODUCTION The advent of low cost microprocessor based systems has created a strong demand for low cost reliable means of data communication via the dial-up telephone network The most widespread means for this task is the Bell 103 type
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telephone circuit with dtmf tp5088
Abstract: mm58167a TP5088 74510 74vhc942 mm58167 74HC 74VHC943 C1995 MM74HC942
Text: National Semiconductor Application Note 1015 October 1995 When mated with a handful of CMOS peripheral ICs a single-chip CMOS modem device allows you to configure simple inexpensive microprocessor-telephone interface systems with autodial and autoanswer capabilities
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Bell103
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MM74HC942
telephone circuit with dtmf tp5088
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C1995
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