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TH71101

ETC
Part Number TH71101
Manufacturer ETC
Description FSK/FM/ASK Receiver
Published Apr 16, 2005
Detailed Description TH71101 315/433MHz FSK/FM/ASK Receiver Features ! ! ! ! ! ! ! Single superhet architecture for low external component co...
Datasheet PDF File TH71101 PDF File

TH71101
TH71101

Overview
TH71101 315/433MHz FSK/FM/ASK Receiver Features ! ! ! ! ! ! ! Single superhet architecture for low external component count FSK for digital data and FM reception for analog signal transmission FM/FSK demodulation with phase-coincidence demodulator Low current consumption in active mode and very low standby current Switchable LNA gain for improved dynamic range RSSI allows signal strength indication and ASK detection Surface mount package LQFP32 Ordering Information Part No.
TH71101 Temperature Range -40 °C to 85°C Package LQFP32 Application Examples ! ! ! ! ! General digital and analog 315 MHz or 433 MHz ISM band usage Low-power telemetry Alarm and security systems Keyless car and central locking Pagers Technical Data Overview ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! Input frequency range: 300 MHz to 450 MHz Power supply range: 2.
5 V to 5.
5 V at 315 MHz and 2.
7 V to 5.
5 V at 433 MHz Temperature range: -40 °C to +85 °C Operating current: 6.
5 mA at low gain and 8.
2 mA at high gain mode Standby current: < 100 nA 1) with 40 kHz IF filter BW (incl.
SAW front-end filter loss) Sensitivity: -111 dBm 2) Sensitivity: -104 dBm with 150 kHz IF filter BW (incl.
SAW front-end filter loss) Range of IF: 455 kHz to 21.
4 MHz Maximum input level: –10 dBm at ASK and 0 dBm at FSK Image rejection: > 55 dB (e.
g.
with SAW front-end filter and at 10.
7 MHz IF) Spurious emission: < -70 dBm Input frequency acceptance: ±50 kHz (with AFC option) RSSI range: 70 dB Frequency deviation range: ±5 kHz to ±120 kHz Maximum data rate: 80 kbit/s NRZ Maximum analog modulation frequency: 15 kHz 1) 2) at ± 8 kHz FSK deviation, BER = 3⋅10 and phase-coincidence demodulation -3 at ± 50 kHz FSK deviation, BER = 3⋅10 and phase-coincidence demodulation -3 TH71101 Data Sheet 3901071101 Page 1 of 20 Nov.
2001 Rev.
005 TH71101 315/433MHz FSK/FM/ASK Receiver General Description The TH71101 receiver IC consists of the following building blocks " " " " " " " " " PLL synthesizer (PLL SYNTH) for generation of the local os...


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