RF2689 Description
The RF2689 is an integrated plete IF AGC amplifier and quadrature demodulator designed for the receive section of W-CDMA and GSM/DCS applications. It is designed to amplify received IF signals, while providing 70dB of gain control range, a total of 90dB gain, and demodulate to baseband I and Q signals. This circuit is designed as part of RFMD’s multimode W-CDMA/GSM/ DCS chipset, which also includes the RF2688...
RF2689 Key Features
- Digitally Controlled Power Down Mode
- 2.7V to 3.3V Operation
- Digital LO Quadrature Divide-by-8
- IF AGC Amp with 70dB Gain Control
- 80dB Maximum Voltage Gain