m61508fp Renesas Electronics Corporation., m61508fp Datasheet - Page 20

• Manufacturer Part Number: m61508fp
• Description: The Electric Volume Of Build-in Non Fader Volume With Tone Control
• Manufacturer: Renesas Electronics Corporation.

M61508FP
The Others
1. Differential Amp.
The lower fig. is Equalizing Circuit, Output Signal/Output Voltage of each point.
Rev.2.00 Sep 14, 2006 page 20 of 24
2 pin Input Signal
3 pin Input Signal
Differential Amp. Gain Calculation Formula
Vin1
Vin2
R1
R1
1.5 Vrms
1.5 Vrms
R2
+
–
2
3
R2
51 k
51 k
25.5 k
Differential
Amp.
+
–
25.5 k
Vout
Differential Amp. Output Signal
Vout =
Gv = 20 log
R2
R1
(Vin1 – Vin2)
R2
R1
1.5 Vrms
+
–
Input Gain Control = 0 dB
–
+
9 pin Output Signal
8 pin Output Signal
8
9
1.5 Vrms
1.5 Vrms