Very hard to find FM IF circuit. Click link below for data sheet.

Bag of 8 is $4.00 several hundred available make offer if you want larger quantity.

Features
. For FM IF Amplifier Applications in High-Fidelity Automotive and Communications Receivers
Includes IF Amplifier Quadrature Detector AF Preamplifier and Specific Circuits for AGC AFC Muting Squelch and Tuning Meter
Exceptional Limiting Sensitivity
at -3dB Point. . . . . . . . . . . . . . 12 V Typ
Low Distortion
with Double-Tuned Coil . . . . . . . . 0.1 Typ
Single-Coil Tuning Capability
High Recovered Audio . . . . . . . . . .400mV Typ
Provides Specific Signal for Control of Interchannel Muting Squelch
Provides Specific Signal for Direct Drive of a Tuning Meter
Provides Delayed AGC Voltage for RF Amplifier
Provides a Specific Circuit for Flexible AFC
Internal Supply-Voltage Regulators

$5 each
$10 for 4