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74VHC943WMX Datasheet(PDF) 6 Page - National Semiconductor (TI) |
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74VHC943WMX Datasheet(HTML) 6 Page - National Semiconductor (TI) |
6 / 12 page AC Electrical Characteristics Unless otherwise specified all specifications apply over the range b40 Cto a85 C using a VCC of a5V g10% and a 3579 MHz g01% crystal Symbol Parameter Conditions Min Typ Max Units TRANSMITTER FCE Carrier Frequency Error 4Hz Power Output VCC e 50V RTLA e 5490X b 12 b 105 b 9 dBm RL e 12 kX 2nd Harmonic Energy RTLA e 5490X b 62 b 56 dBm RECEIVE FILTER AND HYBRID Hybrid Input Impedance 50 kX (Pins 15 and 16) FTLC Output Impedance 5 10 50 kX Adjacent Channel Rejection RXA2 e GNDA TXD e GND or VCC 60 dB Input to RXA1 DEMODULATOR (INCORPORATING HYBRID RECEIVE FILTER AND DISCRIMINATOR) Carrier Amplitude b 38 b 12 dBm Bit Jitter SNR e 30 dB Input eb38 dBm 100 200 m s Baud Rate e 300 Baud ( Bit Bias Alternating 1 – 0 Pattern 5 10 % Carrier Detect Trip Points CDA e 12V Off to On b 38 b 36 b 34 dBm VCC e 50V On to Off b 41 b 39 b 37 dBm Carrier Detect Hystereisis VCC e 50V 2 3 4 dB The demodulator specifications apply to the 74VHC943 operating with a modulator having frequency accuracy phase jitter and harmonic content equal to or better than the 74VHC943 modulator AC Specification Circuit TLF11679 – 3 6 |
Número de pieza similar - 74VHC943WMX |
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