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gD
CIRCUIT DESCRIPTION
Block Diagram
3. Operations of each circuit
3-1. Input amp
2. Connection of each pin
PinNo[_PinName
| Operation Descinton |
Cw Rw
:
_
| C
he
t i
t
2
Td (pulse delay time) pin
onnects the time constan
Cd Rd
inputs the audio signal (bias
resistance is required)
4
NFB pin
Connects CR for NFB (DC cut
is required)
5
GND pin
Connects to GND
6
Tc
(music
signal detec-|
Connects
Cc and the mute
tion time) mute pin
switch
7
Output pin
Drives the plunger directly
a
ie
ne
'
wo
Td (ms)
Tw (ms)
1.7xCd
(pF)
x Rd (kohm)
1.6
x Cw (pF)
x Rw (kohm)
=
Tt
=
Tt
Rd
Cw.
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