Narrowband FM IF integrated circuit, supply voltage 6-9V, SO-20L SMD package

Narrowband FM IF integrated circuit, 1^st and 2^nd IF amplifier, 10.7 or 45 MHz input, 2μV sensitivity, second conversion mixer, second IF LO, second IF amplifier for example 455KHz, NBFM, quadrature discriminator, AFC output, etc..., supply voltage 6-9V, SO-20L SMD package

(Note: similar to MC3357, improved version with a limiter stage in addition but not pin compatible)