U4311B Description
The U4311B is a monolithic integrated circuit in bipolar technology for low-current UHF remote control superheterodyne receivers in amplitude- or frequencymodulated mode. Typical applications are keyless car lock-, alarm- or tele-control remote indication systems. Especially for automotive applications, it supports a superhet design with about 1 mA total current consumption as required by the car manufacturers.
U4311B Key Features
- invert. clamping parator 10 3 7 6 5 Data out
- 4 8 log AM out 10.7 MHz Figure 1. Block diagram 12 14 FM out Data filter 16 + 1