TEMIC Semiconductors U2794
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 digital radio systems up to 1 GHz such as cellular radio, cordless telephone, cable TV and satellite TV systems.- Max Operating Temp : 85°C
- Min Operating Temp : -40°C
Source:
Octopart
| Part No. | U2794 |
|---|---|
| Datasheet | U2794 Download |
| Manufacturer |  TEMIC Semiconductors |
| Description | 1000 MHz Quadrature Demodulator |
| Buy | Stock & Price |
DESCRIPTION
U2794B silicon monolithic integrated circuit is a quadrature demodulator that is manufactured using TELEFUNKEN’s advanced UHF technology.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 Very low I/Q output dc offset voltage typ. < 5 mV D Duty cycle regeneration for single ended LO input signal Block Diagram VS 5,6 Power down PD 14 IIX 4 II 3 1 IX OUTPUT 2 I 7 RFin 8 90°Control loop 0° 90° Frequency doubler Duty cycle regenerator 15 17 LO 13 PC 12 PCX Q 19 OUTPUT 20 QX 11 GC 16,18 GND 10 QQX 9 QQ 95 9778 Ordering Information Extended Type Number U2794B-AFS U2794B-AFSG3 Package SSO 20 SSO 20 Remarks Rail, MOQ 830 pcs. Tape and reel, MOQ 4000 pcs. Rev. A3: 23.08.1995 1 (11) U2794B PinDESCRIPTION
IX I II IIX VS VS RFin RFXin QQ QQX 1 2 3 4 5 6...
