Description
The RF9958 is an integrated complete Quadrature Modulator, IF AGC amplifier, and Upconverter designed for the transmit section of dual-mode CDMA/FM cellular and PCS applications.
Features
- Supports Dual Mode Operation.
- Digitally Controlled Power Down Modes
MODE
GC
1
27.
- 2.7V to 3.3V Operation.
- Digital First LO Quadrature Divider.
- Double-Balanced UHF Upconvert Mixer.
- IF AGC Amp with 95 dB Gain Control
Q SIG 2 Q REF 3 LO1- 8 LO1+ 9 I REF 5 I SIG 4 Band Gap Reference Quad. ÷2
Gain Control
Σ
25 MOD OUT+ 24 MOD OUT21 MIX IN22 MIX IN+
Ordering Information
13 PD1 15 PD2 17 RF OUT 19 LO2+ 20 LO2-
10 G OUT
RF9958 RF9958 PCB.