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Description:IF Transceiver Subsystem
Manufacturer:Analog Devices
Datasheet:PDF (110K).
Click here to download *)

The AD6402 is a complete transceiver subsystem for use in high bit rate radio systems employing FM or FSK modulation. It is optimized for use in time domain multiple access (TDMA) systems with communications rates of approximately 1 MBPS. The AD6402 integrates key functions, including VCOs and a low drop-out voltage regulator. The AD6402 operates directly from an unregulated battery supply of 3.1 V to 4.5 V and provides a regulated voltage output which can be used for VCO supply regulation on a companion RF chip such as the AD6401. The AD6402 transceiver consists of a mixer, integrated IF bandpass filter, IF limiter with RSSI detection, VCO, PLL demodulator and a low dropout voltage regulator. On receive, it downconverts an IF signal in the 110 MHz range to a second IF frequency, this frequency being determined by the demodulator reference divide ratios. It then filters, amplifies, and demodulates this signal. The AD6402 provides a filtered baseband

Click here to download AD6402ARS Datasheet
Click here to download AD6402ARS Datasheet
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