LA1787M Description
ENN6655 LA1787M Monolithic Linear IC Single-Chip Tuner IC for Car Radios http://onsemi. Overview The LA1787M integrates all six blocks required in a car radio tuner on a single chip. Functions FM front end AM up-conversion FM IF FM/AM switch Noise canceller MRC Multiple.
LA1787M Key Features
- Improved noise reduction methods
- The FM front end provides excellent 3-signal characteristics equivalent to those of the LA1193M
- Superlative listenability due to improved medium and weak field noise canceller characteristics
- Improved separation characteristics
- Anti-birdie filter
- Improved AM and FM thermal characteristics
- Excellent FM signal meter linearity
- Modified N.C. circuit for improved noise rejection
- Improved AM adjacent channel interference characteristics (40 kHz)
- Sample-to-sample variation reduction circuit built into the FM IF circuit