KIA6924S 데이터 시트보기 (PDF) - KEC
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KIA6924S Datasheet PDF : 10 Pages
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SEMICONDUCTOR
TECHNICAL DATA
KIA6924S
BIPOLAR LINEAR INTEGRATED CIRCUIT
AUDIO MUTING SYSTEM
KIA6924S is designed for muting the popping sound made
at power of ON-OFF receivers, pre-amplifiers, main amplifiers,
and other electric audio equipment as well as the noise made at
changeover of switches.
A
B
1
9
FEATURES
To mute the popping noise made in the case of receiving frequency
or changeover of signal source of tuners.
Delay muting at power ON.
Instant muting at powr OFF.
Only a single timing capacitor and a very few external parts are provided.
Either positive or negative pulse is applicable to the input trigger.
The terminals consist of the high sensitive input terminal (Sensitive level
of 120mV) and the low sensitive input terminal. (Sensitive level of 700mV)
The operating power supply current is 5mA (Min.) available for portable sets.
P
d
D
T
DIM
A
B
D
d
G
H
L
P
T
MILLIMETERS
22.48+_ 0.2
3.2+_ 0.2
1.2+_ 0.25
0.5+_ 0.1
1.95+_ 0.2
7.7+_ 0.3
3.2 +_ 0.3
2.54
0.25+0.1/-0.05
SIP-9
BLOCK DIAGRAM
TRIGGER
INPUT (A)
POWER SUPPLY TERMINAL
TRIGGER
1
AMPLIFIER
CT
2
VCC
RB
RT
DELAY MUTING AT POWER ON
6
9
MUTING
OUTPUT
TRIGGER
3
INPUT (B)
DISCHARGE
DETECTOR
TRIGGER
AMPLIFIER
5
GROUND
(SUBPOTENTIAL)
8
7
INSTANT MUTING
AT POWER OFF
4
MUTING
(SIGNAL)
GROUND
MUTING
OUTPUT
AC 100V
1994. 11. 11
Revision No : 0
1/10
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