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 Pin DESCRIPTION
IX I II IIX VS VS RFin RFXin QQ QQX 1 2 3 4 5 6...
TEMIC Semiconductors
