概述(Description):
CXA1691BM/BS is a one-chip FM/AM radio IC designed for radio-cassette tape recorders.
特性(Features):
Small number of peripheral components.
Low current consumption (VCC=3 V)
For FM : ID=5.8 mA (Typ.)
For AM : ID=4.7 mA (Typ.)
Built-in FM/AM select switch.
Large output of AF amplifier.
VCC=6 V, EIAJ output=500 mW (Typ.)
when load impedance 8
功能(Function):
FM section
- RF amplifier, Mixer and OSC
(incorporating AFC variable capacitor).
- IF amplifier
- Quadrature detection
- Tuning LED driver
AM section
- RF amplifier, Mixer and OSC (with RF AGC)
- IF amplifier (with IF AGC)
- Detector
- Tuning LED driver
AF section
- Electronic volume control
- FM muting
|
低压差稳压集成电路
