... AM/FM RADIO IC (WITH AUDIO POWER AMPLIFIER OUTPUT) DESCRIPTION The SA1691 is a monolithic integrated circuit designed for radio cassette tape recorders, clock radios and headphone radios. This IC include all function from antenna to audio power amplifier of AM/FM radio. FEATURES * Built-in AM/FM switching circuit * Wide operating supply voltage(2V~7.5V) ...
... DEV =60dB V,10.7MHz =60dB V, 10.7MHz Audio V =-30dBm, 1kHz IN 50mW output =60dB V,10.7MHz HD3 IN Audio V =-20dBm,1kHz output V Audio V =-20dBm,1kHz OFF input IN SA1691 Value 10 700 -10~+60 -50~+125 Min. Typ. Max. - 4.6 10 77.5 125 1.3 3.0 7.0 - 0.6 2.0 - 7.6 14 ...
... Regulator pin 1.25V(Typ.) Connect FM RF tuning coil AM RF input input FE GND AM/FM IF output AM/FM selection. During GND it becomes AM and during open it becomes Input FM IF Input NC Meter drive circuit IF GND AFC AGC AFC AGC Detection output SA1691 (To be continued) REV:1.0 2005.09.07 Page ...