HA11225
uPC1167C2
M51173P
FM IF-Amplifier and Discriminator
FM IF Amplifier and Demodulator with Muting, Center Meter and Signal Meter
Features:
Low Distortion
High Signal-to-Noise Ratio
High Limiting Sensitivity
Large Muting Attenuation
Provides Specific Signal for Direct Drive of a Signal Meter with Good Linearity
Muting Level is variable by Adjusting the External Resistor
High Stability Against Abnormal Oscillation
Applications:
FM IF Amplifier
Quadrature Detector
Audio Amplifier
Muting Circuit
AFC, Tuning Meter Driver
AGC Control Voltage Generator
Muting Control Voltage Generator
Signal Meter Driver
Pin
Name
Description
1
IF Input
2
AM/FM Switch
3
Bypass
4
Ground
5
Mute Input
6
Audio Output
7
AFC Output
8
Quad Detector
9
Detector Coil
10
Detector Coil
11
Positive Supply Voltage
12
Mute Output
13
Meter Driver
14
Ground
15
RF AGC
16
Mute Adjust
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