Sailor RM2042 - Page 43

3 SERVICE RM2042
3
LM324 (SO-8 PACKAGE)
TDA7052 (DIL-8 PACKAGE)
INTEGREATED CIRCUIT, ANALOG:
-
+
+
-
-
+
+
-
2
4
1
14
INPUT 3 + INPUT 3 - OUTPUT 3 GND INPUT 4 + INPUT 4 - OUTPUT 4
13 12 11 10 9 8
OUTPUT 1 INPUT 1 - INPUT 1 + V CC OUTPUT 2 INPUT 2 - INPUT 2 + INPUT 2 + INPUT 2 - OUTPUT 2 V CC INPUT 1 + INPUT 1 - OUTPUT 1
8910111213
OUTPUT 3 OUTPUT 4 INPUT 4 + GND INPUT 3 - INPUT 3 + INPUT 4 -
14
1
2
+
-
LM339 (SO-8 PACKAGE)
+
-
-
+
-
+
7654321 1 2 3 4 5 6 7
3
4
NC
OUTPUT 2
GROUND
OUTPUT 1NC
GROUND
INPUT
VDD 1
2
3
4 5
6
7
8
1
GND
VDD
6
2
3
5
8
INPUT
GROUND
OUTPUT 2
OUTPUT 1
1 2 3 4 5 6 7
10111213141516
+
-
MC3372 (SO-16 CASE)
9
8
Oscillator
Mixer
Squelch Trigger
with Hysteresis
Demodulator
10pF
53k
AF
Amp
Filter
Amp
Limiter
Amp
MSM6927 (24-LEAD FLAT-PACK)
SQUELCH FILTER OUT FILTER IN MUTE METER GND IF INPUT AF OUT
X-TAL VCC LIMITER IN IF OUTPUT X-TAL DECOUP LIMITER OUT QUAD IN
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