cxa1910q Sony Electronics, cxa1910q Datasheet - Page 11

• Manufacturer Part Number: cxa1910q
• Description: Dolby B Type Noise Reduction System With Playback Equalizer
• Manufacturer: Sony Electronics

Operation mode control (INSW, AUXSW, TAPESW, DRSW, NRSW, MSSW, MODESW)
The CXA1910Q has built in electronic switch circuits and the operations are controlled by the direct current
applied to each SW pin. The operation mode state for each switch is shown in the table below.
Click noise can be reduced by the external CR time constant circuit for NR SW switching.
NRSW
TAPESW
DRSW
NRMODE
MSSW
MSMODE
SW
Function for Low input
NR OFF
70µs
PB FWD
DOLBY B
MS OFF
G2 (NOR) MODE
Function for High input
NR ON
120µs
PB RVS
NR OFF
MS ON
G1 (FF) MODE
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CXA1910Q