LA71206M
No.7950-5/29
Continued from preceding page.
Ratings
Parameter
Symbol
In
Out
Conditions
min
typ
max
Unit
Main linear emphasis
characteristics (1)
GME1
T22A
T17
With VIN a 50mVp-p 500kHz sine wave, measure the ratio of
the levels on T22 and T17, and take the difference with
GEMP.
10.0
11.5
12.0
dB
Main linear emphasis
characteristics (2)
GME2
T22A
T17
With VIN a 50mVp-p 2MHz signal measure the ratio of the
levels on T22A and T17, and take the difference with GEMP.
14.5
16.0
17.5
dB
White clipping level
LWC
T32A
T17
With VIN a 1.0Vp-p 100% white video signal, measure the
white clipping level on T17.
180
190
200
%
Dark clipping level
LDC
T32A
T17
With VIN a 1.0Vp-p 100% white video signal, measure the
dark clipping level on T17.
-52
-50
-47
%
REC Mode EQ
Ratings
Parameter
Symbol
In
Out
Conditions
min
typ
max
Unit
REC EQ
characteristics 1
GREQ1
T12A
T14
With VIN a CW 2MHz, 400mVp-p signal, measure the
input/output response.
-5.7
-4.5
-3.3
dB
REC EQ
characteristics 2
GREQ2
T12A
T14
With VIN a CW 4MHz, 400mVp-p signal, measure the
input/output response.
-4.0
-2.7
-1.4
dB
REC EQ
characteristics 3
GREQ3
T12A
T14
With VIN a CW 750kHz, 400mVp-p signal, measure the
input/output response.
-20
dB
REC EQ
2’nd distortion
HREQ
T12A
T14
Measure the second harmonic in the above conditions.
-40
-15
dB
PB Mode Y
Ratings
Parameter
Symbol
In
Out
Conditions
min
typ
max
Unit
Current dissipation
(PB)
ICCP
Measure the sum of the currents flowing into pins 3, 44, 45,
52, 68, 77.
145
170
195
mA
Dropout
compensation Period
*1H for one horizontal
synchronization period
TDOC
T14A
T22A
T26
T14A: 4MHz 300mVp-p sine wave +3.4VDC
T22A: 0.5Vp-p video signal
The time between the instant the T14A input level set to 0 and
the point T26 output is restored.
10.0
13.0
15.0
H
DOC characteristics
GDOC
T14A
T22A
T26
T14A: 4MHz 300mVp-p sine wave +3.4VDC
T22A: 0.5Vp-p video signal
The I/0 response 5H after the T14A input is set to 0.
-1.5
0
1.5
dB
PB Y level
V-YOUT
T14A
T26
DEV = 1.0MHz PB Y level when input FM signal.
2.00
2.10
2.20
Vp-p
Self R/P, PB-Y level
R/P-OUT
T14A
T26
Self R/P-Y, PB-Y level
1.93
2.10
2.27
Vp-p
FM demodulator
linearity
LDEM
T14A
T20
*VDEM4 = DC: T20 (Input 4MHz, 300mVp-p)
-3.5
0
+3.5
%
Carrier leakage
CL
T14
T20
VIN = 300mVp-p, f= 4MHg+3.4MHz
Measure the ratio of the 4MHz component on T20 and
SDEM.
-35
dB
PB YNR
characteristics
PYNR
T22A
T26
VIN = White 50% +CW(15.8mVp-p)
Measure the ratio of 32fH component and 32.5fH.
-7.0
-6.0
-5.0
dB
Nonlinear de-emphasis
characteristics (1)
*Serial-control
GNLDE1
T22A
T26
With VIN a 50% white video +2MHz 126mVpp sine wave,
measure the I/O response.
-3.5
-2.5
-1.5
dB
Nonlinear de-emphasis
characteristics (2)
GNLDE2
T22A
T26
f = 2MHz, 50mVp-p
-6.0
-4.5
-3.0
dB
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