M61508FP
The Others
1. Differential Amp.
The lower fig. is Equalizing Circuit, Output Signal/Output Voltage of each point.
8 pin Output Signal
1.5 Vrms
Differential Amp. Output Signal
2 pin Input Signal
1.5 Vrms
–
+
8
9
25.5 k
1.5 Vrms
51 k
+
2
3
Differential
Amp.
–
+
–
51 k
25.5 k
1.5 Vrms
1.5 Vrms
3 pin Input Signal
9 pin Output Signal
Input Gain Control = 0 dB
Differential Amp. Gain Calculation Formula
R2
R2
R1
Vout =
(Vin1 – Vin2)
R1
+
Vin1
R2
R1
Vout
Gv = 20 log
–
Vin2
R1
R2
REJ03F0203-0201 Rev.2.01 Mar 31, 2008
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