CXA1619BM/BS a FM/AM radio IC

CXA1619BM/BS is a one-chip FM/AM radio IC designed for radio-cassette tape recorders and
headphone tape recorders, and has the following functions.

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.
EIAJ output=500 mW (Typ.) when
VCC=6 V, load impedance 8 Ω
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


Structure
Bipolar monolithic IC
Recommended Operating Conditions
Supply voltage                VCC            2 to 7.5         V (CXA1619BM)
                              VCC            2 to 8.5         V  (CXA1619BS)

Posted in: Audio,Electronics