TA1230Z 반도체 회로 부품 판매점
TV SOUND MULTIPLEX BROADCAST DEMODULATOR IC FOR EIAJ SYSTEM
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 Toshiba Semiconductor |
TA1230Z
TOSHIBA BIPOLAR LINEAR INTEGRATED CIRCUIT SILICON MONOLITHIC
TA1230Z
TV SOUND MULTIPLEX BROADCAST DEMODULATOR IC FOR EIAJ SYSTEM
The TA1230Z incorporates the functions required for EIAJ system
TV sound multiplex broadcast demodulation and a trap for
eliminating facsimile broadcast signals multiplexed in the sound
multiplex broadcasting band. Automatic adjustment based on a
32 fH-oscillator makes adjustments other than separation
unnecessary.
FEATURES
l Self-adjusting filter and discriminator circuit based on a 32
fH-oscillator
l Built-in trap eliminates facsimile broadcast signals
BLOCK DIAGRAM
Weight: 1.00 g (Typ.)
000707EBA1
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neither intended nor warranted for usage in equipment that requires extraordinarily high quality and/or reliability or a malfunction or
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· The information contained herein is subject to change without notice.
2002-12-20 1/12
PIN FUNCTIONS
PIN
No.
PIN NAME
FUNCTION
Cuts the DC component of the circuit
shaping the waveform of the
AM-detected cue signal. Connect a 0.1
µF capacitor between this pin and
1 Q signal offset cancellation GND.
A 0.01 µF capacitor may cause lower
discrimination sensitivity because of
the fluctuations in a capacitor of that
rating.
2 GND
3 Forced mono
―
Setting this pin to 5 V forcibly sets the
mode to mono. This does not affect the
discrimination output or bilingual
broadcast decoding.
As this is the PNP transistor input
circuit, leaving the pin open sets the
mode to forced mono. However, do not
leave the pin open.
4 Mode switching
The voltage of this pin is used to
control the output state for bilingual
broadcasting.
0 V : Main sound
2.5 V : Main / sub sound
5 V : Sub sound
9 V : Main / sub sound
5 Sub offset elimination
Cuts the DC component of the sub
sound signal processing section.
Connect a 10 µF capacitor between
this pin and GND.
TA1230Z
INTERFACE CIRCUIT
―
6 Main offset elimination
Cuts the DC component of the
main-sound signal processing section.
Connect a 10 µF capacitor between
this pin and GND.
2002-12-20 2/12
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제조업체: Toshiba Semiconductor
( toshiba )
TA1230Z data
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국내 전력반도체 판매점
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