Silicore FM receiver circuit for battery supply GENERAL DESCRIPTION The D7088 is a bipolar integrated circuit for use in mono portable and pocket radios.
It is used when a mi nimu m of peripheral co mponents (of small dimensions and low costs) is important.
The circuit contains a frequency-locked-loop (FLL) sys te m with an Interme d iate Frequency (IF) of about 70kHz.
Selectivity is achieved by activ e RC-filters.
De-tuning related to the IF and too weak inpu t sign als is suppressed by the mute circuit.
D7088 FEATURES z z z z z z z z z z Equipped with all stages of a mo n o receiver fro m antenna to au dio output Mute circuit Search tuning with a single varicap diode Mechan ical tuning w...

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