參數(shù)資料
型號(hào)： LA7337
廠商： Sanyo Electric Co.,Ltd.
英文描述： SECAM-Format VCR Chroma Signal-Processing Circuit(SECAM格式VCR色度信號(hào)處理電路)
中文描述： SECAM制式格式錄像機(jī)色度信號(hào)處理電路（SECAM制式格式錄像機(jī)色度信號(hào)處理電路）
文件頁數(shù)： 2/7頁
文件大?。?/td> 123K
代理商： LA7337
No. 5288-2/7
LA7337
Parameter
Symbol
Conditions
Ratings
Unit
min
typ
max
Record mode current drain
I
CCR
V5 = V6 = 0 V, V16 = 0 V, S27 = composite
sync., S15 = color bar signal
V6 = 5 V, V16 = 0 V, S27 = composite sync.
S15 = sine wave (200 mVp-p, f = 4.286 MHz)
As above, except S15 = sine wave
(200 mVp-p, f = 1.1 MHz), taking V
F4C
as the
reference (0 dB)
As above, except S15 = sine wave
(200 mVp-p, f = 2.2 MHz), taking V
F4C
as the
reference (0 dB)
As above, except S15 = sine wave
(200 mVp-p, f = 7.5 MHz), taking V
F4C
as the
reference (0 dB)
V5 = V6 = 0 V, V16 = 0 V, SW21B = on,
S15 = sine wave (200 mVp-p, f = 4 to 5 MHz),
S27 = composite sync.
As above, except V5 = 4 V.
V5 = V6 = 0 V, V16 = 0 V, SW21B = on,
S15 = sine wave (200 mVp-p, f = FBLR1),
S27 = composite sync.
As above, except S15 = sine wave
(200 mVp-p, f = 3.8 MHz), taking V
BLRC
as
the reference (0 dB)
As above, except S15 = sine wave
(200 mVp-p, f = 4.8 MHz), taking V
BLRC
as
the reference (0 dB)
V5 = V6 = 0 V, S15 = a SECAM color bar
signal (variable level), V16 = 0 V, SW21B = on,
V23 = 3.4 V, V24 = 3.7 V, S27 = composite sync.
SW1 = on, V1 = 5 V, V5 = V6 = 0 V, V16 = 0 V,
S21 = sine wave (200 mVp-p, f = 4 to 5 MHz),
SW21A = SW21B = on, S27 = composite sync.
As above, except V6 = 4 V
SW1 = on, V1 = 5 V, V5 = V6 = 0 V, V16 = 0 V,
S21 = sine wave (200 mVp-p, f = FEQR1
×
4),
SW21A = SW21B = on, S27 = composite sync.
As above, except S21 = sine wave (200 mVp-p,
f = 3.8 MHz), taking V
EQRC
as the reference (0 dB)
As above, except S21 = sine wave (200 mVp-p,
f = 4.8 MHz), taking V
EQRC
as the reference (0 dB)
SW1 = on, V1 = 5 V, V5 = V6 = 0 V, V16 = 0 V,
S15 = sine wave (200 mVp-p, f = 4.4 MHz),
SW21B = on, S27 = composite sync.
As above, except measure the 2.2 MHz
component in the T11 signal. Taking V
OR
as
the reference (0 dB).
As above, except measure the 3.3 MHz
component in the T11 signal. Taking V
OR
as
the reference (0 dB).
V5 = V6 = 0 V, V16 = 5 V, S27 = composite
sync., S13 = sine wave
(50 mVp-p, f = 1.0715 MHz)
V6 = 5 V, SW8B = on, V16 = 5 V,
S27 = composite sync., S13 = sine wave
(50 mVp-p, f = 1.0715 MHz)
As above, except S13 = sine wave
(100 mVp-p, f = 1.0715 MHz)
Taking V
AGC
as the reference (0 dB).
As above, except S13 = sine wave
(25 mVp-p, f = 1.0715 MHz)
Taking V
AGC
as the reference (0 dB).
V6 = 5 V, SW14 = on, V14 = V14R,
S13 = sine wave (50 mVp-p, f = 500 kHz),
V16 = 5 V, S27 = composite sync., taking
VAGC as the reference (0 dB).
As above, except S13 = sine wave
(50 mVp-p, f = 2.2 MHz)
Taking V
AGC
as the reference (0 dB).
As above, except S13 = sine wave
(50 mVp-p, f = 3.3 MHz)
Taking V
AGC
as the reference (0 dB).
50
70
90
mA
4.3-MHz band-pass filter characteristics (1)
V
F4C
145
180
215
mVp-p
4.3-MHz band-pass filter characteristics (2)
G
F4L1
–30
–20
dB
4.3-MHz band-pass filter characteristics (3)
G
F4L2
–10
–5
dB
4.3-MHz band-pass filter characteristics (4)
G
F4H
–30
–20
dB
Record mode bell filter center frequency (1)
F
BLR1
4.243
4.286
4.329
MHz
Record mode bell filter center frequency (2)
F
BLR2
4.493
4.536
4.579
MHz
Record mode bell filter characteristics (1)
V
BLRC
200
250
300
mVp-p
Record mode bell filter characteristics (2)
G
BLRL
–14
–11
–8
dB
Record mode bell filter characteristics (3)
G
BLRH
–14
–11
–8
dB
Record mode killer operating level
G
KLR
–28
–23
–18
dB
Record equalization center frequency (1)
F
EQR1
1.0608
1.0715
1.0822
MHz
Record equalization center frequency (2)
F
EQR2
1.0788
1.0895
1.1002
MHz
Record equalization characteristics (1)
V
EQRC
65
85
105
mVp-p
Record equalization characteristics (2)
G
EQRL
8
11
14
dB
Record equalization characteristics (3)
G
EQRH
8
11
14
dB
Record chrominance signal output level
V
OR
80
110
140
mVp-p
Record chrominance signal output unnecessary
spectrum (1)
GSR1
–30
–20
dB
Record chrominance signal output unnecessary
spectrum (2)
GSR2
–30
–20
dB
Playback mode current drain
I
CCP
60
80
100
mA
AGC control characteristics (1)
V
AGC
90
120
150
mVp-p
AGC control characteristics (2)
G
AGC1
–1
0
+1
dB
AGC control characteristics (3)
G
AGC2
–1
0
+1
dB
1.1-MHz band-pass filter characteristics (1)
G
F1L
–3
0
+3
dB
1.1-MHz band-pass filter characteristics (2)
G
F1H1
–30
–20
dB
1.1-MHz band-pass filter characteristics (3)
G
F1H2
–35
–25
dB
Operating Characteristics
at Ta = 25°C, V
CC
= 5 V
Continued on next page.
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