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Toshiba TA1218N Manual page 31

Udio/video switching ic for tvs

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Characteristics
C
out
Frequency response
C
out
Crosstalk
Det select
Input dynamic range
Det select
Gain
Select Mode
Symbol
V
TV
F7C
in
V
V1
F10C
in
V
V2
F28C
in
Y/V
S1
F12C
in
C
S1
F14C
in
Y/V
S2
F16C
in
C
S2
F18C
in
C
F32C
in
V
TV
CT7C
in
V
V1
CT10C
in
V
V2
CT28C
in
Y/V
S1
CT12C
in
C
S1
CT14C
in
Y/V
S2
CT16C
in
C
S2
CT18C
in
C
CT32C
in
V
TV
VDR7D
in
V
V1
VDR10D
in
V
V2
VDR28D
in
Y/V
S1
VDR12D
in
V
VDR38D
out1
V
VDR42D
out2
Y
VDR36D
out
C
VDR34D
out
V
TV
G7D
in
V
V1
G10D
in
V
V2
G28D
in
Y/V
S1
G12D
in
V
G38D
out1
V
G42D
out2
Y
G36D
out
C
G34D
out
Test
Min.
Typ.
Max.
Circuit
10
10
10
10
10
10
10
10
55
60
55
60
55
60
55
60
55
60
55
60
55
60
55
60
5.0
5.5
5.0
5.5
5.0
5.5
5.0
5.5
1.5
2.0
1.5
2.0
1.2
1.8
1.2
1.8
−0.5
0
0.5
−0.5
0
0.5
−0.5
0
0.5
−0.5
0
0.5
−0.1
0
0.1
−0.1
0
0.1
−0.1
0
0.1
−0.1
0
0.1
TA1218N/F
Unit
Test Method
(1) Apply a 1.0 V
MHz
p-p
sine wave to each
MHz
input pin.
MHz
(2) In each select
mode, measure a
MHz
frequency at which
MHz
the output
MHz
amplitude on pin
34 is 3dB down
MHz
from the 15 kHz
MHz
applied level.
dB
(1) Apply a 3.58 MHz,
1.0 V
sine wave
p-p
dB
to each input pin.
dB
(2) In each select
mode, compare
dB
signal output from
dB
the selected pin
dB
with leakage
components from
dB
nonselected pins
dB
to find a crosstalk.
V
(1) Apply a 15 kHz
V
sine wave to each
input pin.
V
(2) In each select
V
mode, measure an
input amplitude at
V
which the output
V
waveform on pin 4
(46) begins to be
V
distorted.
V
dB
dB
(1) Apply a 15 kHz,
dB
1.0 V
sine wave
p-p
to each input pin.
dB
(2) In each select
dB
mode, find the gain
dB
between input and
output.
dB
dB
2000-09-11 31/40

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