Description
The RF9957 is an integrated complete IF AGC amplifier and Quadrature Demodulator designed for the receive section of dual-mode CDMA/FM cellular and PCS applications.
Features
- Supports Dual Mode Operation (CDMA and FM)
FL+
GC
23
19.
- Digitally Controlled Power Down Mode.
- 2.7V to 3.3V Operation
16 Q OUT+ 15 Q OUT-
CDMA IN+ 4 CDMA IN- 5 IN SEL 14 FM IN+ 8 FM IN- 9 Input Select
Gain Control.
- Quadrature LO Divider.
- IF AGC Amp with 100dB Gain Control
Quad. ÷2
13 LO+ 12 LO21 I OUT+
Band Gap Reference
22 I OUT-
Ordering Information
24 PD 18 FL-
10 BG OUT
RF9957 RF9957 PCBA
CDMA/FM Receive AGC and Demodulator Fully.
RF9957PCBA Datasheet
