LA3401
LA3401 is VCO Non-Adjusting PLL FM MPX Stereo Demodulator manufactured by SANYO.
Overview
The LA3401 is a multifunctional MPX demodulator IC designed for FM stereo electronic tuning. It features the VCO non-adjusting function that eliminates the need to adjust free-running frequency of VCO and the accessory functions such as FM/AM input, FM/AM input changeover, muting.
Applications
- Home stereos, portable hi-fi sets.
Features
- Non-adjusting VCO : Eliminates the need to adjust free-running frequency.
- Good temperature characteristic of VCO : ±0.1% typ. for ±50°C change.
- Less high frequency distortion of stereo main signal (0.07% typ. at f = 10k Hz)
(Non-adjusting PLL makes it possible to make the capture range narrower, providing less high frequency beat distortion of stereo main signal.)
- Low distortion :
Mono 0.01% typ.
Main 0.025% typ.
- High S/N :
91d B typ./mono 300m V input, LPF
94d B typ./mono 400m V...
