cxa1580q Sony Electronics, cxa1580q Datasheet - Page 13

• Manufacturer Part Number: cxa1580q
• Description: Dolby B Type Noise Reduction System With Playback Equalizer
• Manufacturer: Sony Electronics

(4) MS (interval detection between tracks) adjustment method
1) MS gain (G1/G2 mode gain) adjustment
2) MS cut-off frequency adjustment
The external resistors R1, R2 and external capacitors C1, C2 should be adjusted to adjust the low-band cut-
off frequency of MS frequency characteristics.
MS gain is expressed by the following equations.
G1=10+20log
TAPEIN
R1+Ri
R1
10dB
(dB)
External resistors R1, R2 and external capacitors C1, C2
G1
25kHz LPF
G2
2
2
2
External resistors R1, R2
FF (AMS)
G2=10+20log
NOR (BS)
1
G1
R1
C1
—13—
Fig. 5
G2
1
R2
C2
1
1
Ri
R2+Ri
R2
2
MSTC
(dB)
DET
MSOUT
CXD1580Q