Continued from preceding page.
No. 5110-3/7
LA7425
Parameter
Symbol
Conditions
min
typ
max
Unit
Y comb characteristics
GY-COMB
Input: chroma noise test signal 1 Vp-p, measure T2.
–25
dB
C comb characteristics
GC-COMB
Input: white 50% plus CW 3 MHz, measure T21.
–25
dB
Record YNR operation EP/LP
R-YNR
10
12
14
mV
CCD front-end LPF frequency
PFIL1
The attenuation at 4 MHz referenced to 500 kHz
0
0.5
1.0
dB
characteristics 1
CCD front-end LPF frequency
PFIL2
The attenuation at 10 MHz referenced to 500 kHz
–17
–15
–13
dB
characteristics 2
Y LPF frequency characteristics 1
YLPF1
The attenuation at 1 MHz referenced to 500 kHz
–0.5
0
+0.5
dB
Y LPF frequency characteristics 2
YLPF2
The attenuation at 2 MHz referenced to 500 kHz
–0.5
+0.5
+1.5
dB
Y LPF frequency characteristics 3
YLPF3
The attenuation at 3 MHz referenced to 500 kHz
–8
–6
–4
dB
Y LPF frequency characteristics 4
YLPF4
The attenuation at 3.58 MHz referenced to 500 kHz
–15
dB
Y LPF frequency characteristics 5
YLPF5
The attenuation at 4.2 MHz referenced to 500 kHz
–15
dB
FM modulator output level
VFM
With no input signal
0.96
1.08
1.21
mVp-p
FM modulator output second
HMOD
–40
–35
dB
harmonic distortion
Carrier frequency
FFM
3.30
3.40
3.50
MHz
Deviation
FMDEV
0.95
1.00
1.05
MHz
FM modulator linearity
LMOD
T3 = 2.6 V, 2.85 V, 3.1 V
–2
0
+2
%
1/2 fH carrier shift
CS
6.8
7.8
9.5
kHz
Emphasis gain
GEMPH
Input: 0.5 Vp-p 10 kHz sine wave
–0.5
0
+0.5
dB
Detail enhancer characteristics 1
GENH1
Input: –10 dB, 2 MHz
1.6
1.9
2.6
dB
Detail enhancer characteristics 2
GENH2
Input: –20 dB, 2 MHz
3.1
4.1
5.1
dB
Detail enhancer characteristics 3
GENH3
Input: –30 dB, 2 MHz
5.3
6.3
7.3
dB
Detail enhancer characteristics 4
GENH4
Input: –30 dB, 2 MHz, edit mode
2.9
3.9
4.9
dB
NL emphasis characteristics 1
GNLEMP1
Input: 500 mVp-p, 2 MHz
0.5
1.4
2.3
dB
NL emphasis characteristics 2
GNLEMP2
Input: –10 dB, 2 MHz
2.6
3.8
5.2
dB
NL emphasis characteristics 3
GNLEMP3
Input: –20 dB, 2 MHz
4.9
6.4
7.9
dB
Main emphasis characteristics 1
GME1
Input: –20 dB, 200 kHz
4.9
5.2
5.5
dB
Main emphasis characteristics 2
GME2
Input: –20 dB, 2 MHz
13.1
13.6
14.1
dB
White clipping level
LWC
Input: 1.0 Vp-p white 100% video signal
180
190
200
%
Dark clipping level
LDC
Input: 1.0 Vp-p white 100% video signal
–55
–50
–45
%
Synchronization detector
VSYDET
2.7
3.0
3.3
V
output level
[Playback Mode Y System]
Playback mode current drain
ICCP
120
150
180
mA
FM equalizer characteristics 1
GFM-EQ1
Input: 300 mVp-p, 4 MHz
–1.0
+1.0
+3.0
dB
FM equalizer characteristics 2
GFM-EQ2
Input: 300 mVp-p, 629 kHz
–30
dB
Dropout compensation period
TDOC
8
10
12
H
DOC loop gain
GDOC
5H later
–1.0
0
+1.0
dB
Playback Y level
VY-OUT
2.04
2.15
2.26
Vp-p
FM demodulator linearity
LDEM
2, 4, 6 MHz
–3.5
0
+3.5
%
Demodulator carrier leakage
CL
Input: 4 MHz, 300 mVp-p
–40
–35
dB
Playback YNR characteristics 1
P-YNR1
Input: white 50% plus CW
–9
–8
–7
dB
(LP/EP)
Playback YNR characteristics 2
P-YNR2
Input: white 50% plus CW
–4.5
–3.5
–2.5
dB
(SP)
NL de-emphasis characteristics 1
GNLDEEM1 Input: –10 dB, 2 MHz
–6.0
–5.0
–4.0
dB
NL de-emphasis characteristics 2
GNLDEEM2 Input: –20 dB, 2 MHz
–9.0
–8.0
–7.0
dB
Noise canceller characteristics 1
GWNC1
Input: –10 dB, 1.2 MHz
–2.7
–2.2
–1.7
dB
Noise canceller characteristics 2
GWNC2
Input: –20 dB, 1.2 MHz
–7
–6
–5
dB
Noise canceller characteristics 3
GWNC3
Input: –30 dB, 1.2 MHz
–13
–11
–9
dB
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