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Equivalent Block Diagram (STK443-090)
9
TR1
D2 TR2
R3
TR6
R8 C4
C1
10
TR3
11
TR4
R4 R5
TR8
C10 TR9 TR10
TR5 R2
R6 TR7 D1 C7
R7
C11 TR19 TR20
R13 TR16
D3 TR12
TR11
C2
TR18
R14
R15
C5 R18 TR14 TR13
TR17 R16 C8
R17
TR15 R12
1
C12 TR29 TR30
R23 TR26
D4 TR22
TR21
C3
TR28
R24
R25
C6 R19 TR24 TR23
TR27 R26 C9
R27
TR25 R22
15 16
SUB
2
3 12
8 547 6
13 14 1718
No.2
Test Circuit (STK443-090)
+Vcc GND -Vcc
STK443-090
+Vcc -Vcc
12
SUB
Ch1 +RE
34
Ch1 Ch2 -RE -RE
56
Ch2 +RE
-PRE
+PRE
Ch1 IN
Ch1 NF
BIAS
7 8 9 10 11 12
(*1) (*1)
(*1) (*1)
56kΩ 56kΩ
3pF 3pF
220pF
Ch2 Ch2 NF IN
13 14
3
220pF
Ch3 Ch3 Ch3 Ch3 IN NF +RE -RE
15 16 17 18
(*1)
(*1)
220pF
56kΩ 3pF
1.8kΩ 20kΩ
1.8kΩ
1.8kΩ
56kΩ
2.