LA7386
Continued from preceding page.
Parameter
Symbol
Conditions
min
10
typ
12
max
14
Unit
mV
REC YNR operation
EP/LP (1)
VR-YNR1
Measure the YNR addition level at T2 with V
=
IN
standard color bar signal 1 Vp-p and S30 = off
REC YNR operation
EP/LP (2)
VR-YNR2
Measure the YNR addition level at edit mode T2
2
3
4
mV
with V = standard color bar signal 1 Vp-p and
IN
S30 = off
Pre-CCD LPF
frequency characteristics (1)
G
G
Input a standard multiburst signal (1 Vp-p) and
measure the 4 MHz response for 500 kHz at T11
–0.5
–10
0
+0.5
–6
dB
dB
PFIL1
Pre-CCD LPF
10 MHz response for 500 kHz at T11 when
–8
PFIL2
frequency characteristics (2)
V
= standard multiburst signal 1 Vp-p and
IN
S30 = off
3MLPF
frequency characteristics (1)
G
G
G
G
1 MHz response for 500 kHz at T2 when V
standard multiburst signal 1 Vp-p and S30 = off
=
–0.5
–1
0
0
+0.5
+1
dB
dB
dB
dB
3MLP1
3MLP2
3MLP3
3MLP4
IN
3MLPF
frequency characteristics (2)
2 MHz response for 500 kHz at T2 when V
=
IN
standard multiburst signal 1 Vp-p and S30 = off
3MLPF
frequency characteristics (3)
3 MHz response for 500 kHz at T2 when V
IN
standard multiburst signal 1 Vp-p and S30 = off
=
–10
–8
–6
3MLPF
3.58 MHz response for 500 kHz at T2 when
–30
frequency characteristics (4)
V
= standard multiburst signal 1 Vp-p and
IN
S30 = off
3MLPF
G
4.2 MHz response for 500 kHz at T2 when
–15
dB
3MLP5
frequency characteristics (5)
V
= standard multiburst signal 1 Vp-p and
IN
S30 = off
FM modulator output level
V
No input, use VR36 to adjust output frequency to
4 MHz, measure output level
0.89
1.0
–40
2.0
1.12
–35
2.4
Vp-p
dB
FM
FM modulator
secondary distortion
H
Ratio of 8 MHz component to 4 MHz in the above
state
MOD
MOD
FM modulator
modulation sensitivity
S
Measure amplitude of change in output frequency
when 2.6 V DC or 3.1 V DC is applied to T3,
2 x (f3.1 – f2.6)
1.6
–3
MHz/V
FM modulator linearity
L
Measure output frequency when 2.85 V DC
applied to T3, f2.85
0
+2
%
MOD
f2.85 – (f3.1 + f2.6)/2
L
=
x 100
MOD
f3.1 – f2.6
1/2 f carrier shift 1
C
C
Measure amplitude of change in output frequency
when SW35B is from on to off and SW35A is off
6.8
6.8
7.8
7.8
9.5
9.5
kHz
kHz
H
S1
1/2 f carrier shift 2
H
Measure amplitude of change in output frequency
when SW35A is on and SW35B is switch from on
to off
S2
Emphasis gain
G
V
= 0.5 mVp-p 10 kHz sine wave
IN
–0.5
1.6
3.1
5.3
2.9
0.5
2.6
0
+0.5
2.6
5.1
7.3
4.9
2.3
5.2
dB
dB
dB
dB
dB
dB
dB
EMP
Measure ratio of levels of input and output
amplitude at T4
Detail enhancer characteristics
(1)
G
G
G
G
V
= 158 mVp-p 2 MHz sine wave
1.9
4.1
6.3
3.9
1.4
3.8
ENH1
ENH2
ENH3
ENH4
IN
Measure ratio of levels of T4 and T3, difference
with G
EMP
= 50 mVp-p 2 MHz sine wave
Detail enhancer characteristics
(2)
V
IN
Measure ratio of levels of T4 and T3, difference
with G
EMP
= 15.8 mVp-p 2 MHz sin wave
Detail enhancer characteristics
(3)
V
IN
Measure ratio of levels of T4 and T3, difference
with G
EMP
= 15.8 mVp-p 2 MHz sine wave
Detail enhancer characteristics
(4)
V
IN
Measure output amplitude at T4 in edit mode,
difference with G
EMP
= 500 mVp-p 2 MHz
Nonlinear emphasis
characteristics (1)
G
V
NLEMP1
IN
Measure ratio of levels of T4 and T3, difference
with G
EMP
= 158 mVp-p 2 MHz
Nonlinear emphasis
characteristics (2)
G
V
NLEMP2
IN
Measure ratio of levels of T4 and T3, difference
with G
EMP
Continued on next page.
No.5472 - 3/13
SANYO [ SANYO SEMICON DEVICE ]
