U2794 - TEMIC Semiconductors

U2794 1000 MHz Quadrature Demodulator

U2794B silicon monolithic integrated circuit is a quadrature demodulator that is manufactured using TELEFUNKEN’s advanced UHF technology. This demodulator features a frequency range from 70 – 1000 MHz, low current consumption, selectable gain, power down mode and is adjustment free. The IC is suitable for direct conversion and image rejection applications in.

Features

a frequency range from 70
  – 1000 MHz, low current consumption, selectable gain, power down mode and is adjustment free. The IC is suitable for direct conversion and image rejection applications in digital radio systems up to 1 GHz such as cellular radio, cordless telephone, cable TV and satellite TV systems. Features D Supply voltage 5 V (typ.) D Very low power consumption 125 mW (typ.) D Very good image rejection by means of phase control loop for precise 90° phase shifting D Low LO input level
  –10 dBm (typ.) D LO
  – frequency from 70 MHz to 1 GHz D Power down mode D 25 dB gain control D Ver.