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