MC3371D Datasheet

  • MC3371D

  • Single Radio Communication IF Amplifier

  • 359.75KB

  • Motorola

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MC3371 MC3372
MC3371 PIN FUNCTION DESCRIPTION (continued)
OPERATING CONDITIONS
VCC = 4.0 Vdc, RFIn = 100
碌V,
fmod = 1.0 kHz, fdev = 3.0 kHz. MC3371 at fRF = 10.7 MHz (see Figure 11).
Pin
9
Symbol
RA
Internal Equivalent
Circuit
Description
Recovered Audio. This is a composite
FM demodulated output having signal
and carrier component. The typical
level is 1.4 Vpp.
Waveform
VCC
200
9
100
碌A
RAO t
Out
The filtered recovered audio has the
carrier component removed and is
typically 800 mVpp.
10
FilIn
10
Filter Amplifier Input
FilterIn
VCC
30
碌A
11
FilOut
VCC
240
碌A
11
FilterOut
Filter Amplifier Output. The typical
signal level is 400 mVpp.
12
SqIn
12
SqIn
Squelch Input. See discussion in
application text.
12
碌A
MOTOROLA ANALOG IC DEVICE DATA
7

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