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TH7120

ETC
Part Number TH7120
Manufacturer ETC
Description 300 to 930MHz FSK/FM/ASK Transceiver
Published Apr 16, 2005
Detailed Description TH7120 300 to 930MHz FSK/FM/ASK Transceiver Features ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! Single chip solution with only a fe...
Datasheet PDF File TH7120 PDF File

TH7120
TH7120

Overview
TH7120 300 to 930MHz FSK/FM/ASK Transceiver Features ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! Single chip solution with only a few external components Stand-alone fixed-frequency transceiver operation modes Programmable multi-channel transceiver operation modes Low current consumption in active mode and very low standby current PLL-stabilized RF VCO (LO) with internal varactor diode Lock detection in programmable channel applications 3wire bus serial control interface FSK/ASK modulation selection FSK for digital data and FM for analog signal reception RSSI allows signal strength indication and ASK detection Switchable LNA gain for improved dynamic range Automatic PA turn-on after PLL lock FM possible with external varactor ASK modulation achieved by on/off keying AFC option for extended input frequency acceptance range Surface mount package LQFP32 Ordering Information TH7120 (TH7120-03) Part No.
(Engineering Samples) Application Examples ! ! ! ! ! ! General bi-directional half duplex digital data transmission or analog signal transmission Low-power telemetry Alarm and security systems Keyless car and central locking Domotics Model control P N I M I L E R Temperature Code E (-40 °C to 85 °C) Y R A Package Code NE (LQFP32) Technical Data Overview ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! Frequency range: 300 MHz to 930 MHz for programmable channel applications 315 MHz, 433 MHz, 868 MHz or 915 MHz fixed-frequency single-channel variants Power supply range: 2.
5 V to 5.
5 V Temperature range: -40 °C to +85 °C Standby current: 50 nA Operating current: 6.
0 mA in receive mode at low gain Operating current 9.
0 mA in transmit mode at 0 dBm output power Adjustable output power range from –15 dBm to +6 dBm Sensitivity: -103 dBm at FSK with 150 kHz IF filter BW Sensitivity: -105 dBm at ASK with 150 kHz IF filter BW Maximum data rate for FSK and ASK: 60 kbit/s NRZ Maximum input level: –10 dBm at FSK and -20 dBm at ASK Input frequency acceptance: ± 50 kHz (with AFC option) Frequency deviation...


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