Philips Semiconductors
Quasi-split sound processor with two FM demodulators
Preliminary specification
TDA3867T
(1) CP = 47 pF with the optional use of
tracking (because of Co of the varicaps).
Fig.3 Test and application circuit (for application SAW-filters must be used).
January 1992
(1) simple resonance circuit (without Cs)
(2) resonance circuit with Cs = 27 pF
CS
=
CP
ff--VS----CC-
2
–
CP
CS = 27 pF (Fig.3)
Fig.4 Frequency response of the 38.9 MHz reference circuit.
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