WIRELESS COMMUNICATIONS DIVISION TQ5131 RF IN VDD DATA SHEET GND LO IN Mode Select/ LO Input IFA Gain Select AMP's IF Out GIC 3V Cellular Band CDMA/AMPS RFA/Mixer IC CDMA IF IF Out Out IF Out Features Small size: SOT23-8 Single 3V operation Product Description The TQ5131 is a 3V, RFA/Mixer IC designed specifically for Cellular band CDMA/AMPS applications.
It’s RF performance meets the requirements of products designed to the IS-95 and AMPS standards.
The TQ5131 is designed to be used with the TQ3131 (CDMA/AMPS LNA) which provides a complete CDMA receiver for 800MHz dual-mode phones.
The RFA/Mixer incorporates on-chip switches which determine CDMA, AMPS and bypass mode select.
When...

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