LA7386
Continued from preceding page.
Parameter
Symbol
Conditions
min
typ
max
–7.5
Unit
dB
Double noise canceller
characteristics (3)
G
G
G
G
f = 2 MHz, 15.8 mVp-p
f = 3.58 MHz, 158 mVp-p
f = 3.58 MHz, 50 mVp-p
f = 3.58 MHz, 15.8 mVp-p
f = 1 MHz, 158 mVp-p
f = 2 MHz, 158 mVp-p
f = 1 MHz, 158 mVp-p
f = 2 MHz, 158 mVp-p
f = 2 MHz, 158 mVp-p
–10.5
–9.0
WNC3
WNC4
WNC5
WNC6
Double noise canceller
characteristics (4)
–2.0
–5.1
–10.5
3.5
–1.5
–4.1
–8.5
4.5
8
–1.0
–3.1
–7.0
5.5
dB
dB
dB
dB
dB
dB
dB
dB
dB
Double noise canceller
characteristics (5)
Double noise canceller
characteristics (6)
PIC-CTL hard response
characteristics (1)
G
PH1
PH2
PS1
PS2
PIC-CTL hard response
characteristics (2)
G
7
9
PIC-CTL soft response
characteristics (1)
G
G
–5.5
–9
–4.5
–8
–3.5
–7
PIC-CTL soft response
characteristics (2)
PIC-CTL center response
characteristics
G
1.0
1.5
0
2.0
PC
DOC loop gain Y
G
T33A: 4 MHz, 300 mVp-p sine wave
T3A: 0.5 Vp-p video signal
–1.0
+1.0
DOC
I/O response 5H after instant when input at T33A
went to 0
Sync tip level,
L
With V = white 100% 0.5 Vp-p
IN
—
VOR
Measure electric potential for each of the pin 28
video output sync tip, pedestal, and white peak,
pedestal level,
white level measurement (PB)
and assign the measured values to L ,
, L
SYN PED
and L
WHI
, respectively
Pseudo V insertion level (PB)
Pseudo H insertion level (PB)
White insertion level (PB)
∆ V
∆ H
∆W
Measure pin 28 DC voltage when 5 V is applied
to pin 26, and assign the measured value to
–80
0
+80
0
mV
mV
mV
DP
L
, and calculate the difference with L
VDP
∆ V
SYN
= L
SYN
– L
VDP
DP
Measure pin 28 DC voltage when 2.5 V is applied –200
to pin 26, and assign the measured value to
–100
140
DP
L
, and calculate the difference with L
HDP
∆H
PED
= L
PED
– L
HDP
DP
Measure pin 28 DC voltage when 1.3 V is applied
to pin 26, and assign the measured value to
40
240
HP
L
, and calculate the difference with L
WHP
∆W
WHI
= L
WHI
– L
WHP
HP
= 0.5 Vp-p video signal
Sync separation output level
V
V
4.0
4.0
1.4
4.2
4.3
1.6
4.4
4.6
1.8
Vp-p
µs
SYP
IN
Pin 26 output pulse peak value
Sync separation output pulse
width
PW
V
= 0.5 Vp-p video signal
SYP
SYP
IN
Pin 26 output pulse width
Sync separation output leading
edge delay time
∆ T
V
= 0.5 Vp-p video signal, measure delay time
µs
IN
of output SYNC versus input SYNC
[REC Mode Chroma]
REC chroma
Y/C separation output level
V
V
V
= standard color bar signal (1 Vp-p)
170
230
5.5
220
330
6.0
270 mVp-p
430 mVp-p
OR-21
IN
Measure burst level at T21
REC chroma low-band
conversion output level
V
= standard color bar signal (1 Vp-p)
OR-14
IN
Measure burst level at T14A
Burst emphasis amount
G
V
= standard color bar signal (1 Vp-p)
IN
6.5
dB
BE
Ratio of burst level at T14A when S35A is off
(SP/EP) and on (LP)
VXO oscillation level
V
V
= standard color bar signal (1 Vp-p),
IN
360
450
540 mVp-p
VXO-R
measure T18 output amplitude (with an FET
probe)
REC ACC characteristics 1
ACC
R1
V
= standard color bar signal (1 Vp-p),
+0.2
+0.5
dB
IN
input +6 dB chroma signal level only, measure
T14A burst level, and calculate ratio with V
OR-14
Continued on next page.
No.5472 - 5/13
SANYO [ SANYO SEMICON DEVICE ]
