Description

The U4314B is a monolithic Integrated Circuit in bipolar technology for low current super-heterodyne receivers. It can be used as a logarithmic Received Signal Strength Indicator (RSSI) or as a logarithmic AM demodulator. Its bandwidth is optimized for intermediate frequencies of 9 to 10.7 MHz (see figure 9).

Features

Logarithmic RSSI / AM demodulator output

Sensitive IF-amplifier for 10.7 MHz operating frequency

Usable for ASK data systems up to several hundred kBauds

Extreme low current consumption typically 0.8 mA

Wide power supply voltage range 3 to 12 V

Temperature compensated reference voltage of 2.4 V externally available

Only one additional part (capacitor) necessary

ESD hardened