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參數(shù)資料
| 型號(hào)： | LA70011M |
| 廠商： | Sanyo Electric Co.,Ltd. |
| 英文描述： | Recording/Playback Amplifier for VHS VCRs |
| 中文描述： | 錄音/放音放大器適合于VHS錄像機(jī) |
| 文件頁數(shù)： | 3/11頁 |
| 文件大小： | 134K |
| 代理商： | LA70011M |
No. 5710-3/11
LA70011, 70011M
Parameter
Symbol
Conditions
Ratings
Unit
min
typ
max
HA playback threshold level
HAP-1
SP
→
EP :
*
1
EPSP
Lch
→
Hch :
*
1
Hch
→
Lch
1.7
5.0
V
HAP-2
0.0
1.3
V
SW30 threshold level
SW30-1
1.2
5.0
V
SW30-2
0.0
0.8
V
Recording Mode
Current drain
I
CCR
Current input at pin 13.
52
59
66
mA
V
RSP
Output level for V
IN
= 400 mVp-p and
f = 4 MHz.
127
135
143
mVp-p
REC AGC AMP output level
V
REP
GVR
V
AGC
1-SP
Output level divided by V
RSP
or V
REP
for
V
AGC
1-EP
f = 4 MHz and V
IN
= 700 mVp-p.
V
AGC
2-SP
Output level divided by V
RSP
or V
REP
for
V
AGC
2-EP
f = 4 MHz and V
IN
= 100 mVp-p.
V
FRS
Ratio of f = 7 MHz output to f = 1 MHz output
V
FRE
for V
IN
= 400 mVp-p.
*
2
Ratio of the 8 MHz (secondary) component of
the output to its 4 MHz (primary) component
for V
IN
= 400 mVp-p and f = 4 MHz.
V
MOSP
Output level, for f = 4 MHz, at which the
V
MOEP
secondary distortion is –35 dB.
V
MRS
Output level divided by V
RSP
or V
REP
for
V
MRE
f = 4 MHz and V
IN
= 400 mVp-p.
Output ratio (4M ± 629k)/4M for
V
IN
= 400 mVp-p and f = 4 MHz at T9A and
V
IN
= 2.4 Vp-p and f = 629 kHz at T10A.
H
AR
-1
SP
→
EP :
*
1
H
AR
-2
EP
→
SP
MUTE-1
MUTE OFF
→
MUTE ON
*
1
MUTE-2
MUTE ON
→
MUTE OFF
PB-REC
PB
→
REC
*
1
REC-PB
REC
→
PB
104
111
119
mVp-p
Intermode gain difference
VRSP/VREP
1.4
1.7
2.0
dB
0.5
1.0
dB
REC AGC AMP control characteristic
–1.0
–0.5
dB
REC AGC AMP frequency characteristic
–1
0
+1
dB
V
HDRS
V
HDRE
REC AGC AMP secondary primary distortion
–45
–40
dB
REC AGC AMP maximum output level
20
22
mApp
REC AGC AMP muting attenuation
–45
–40
dB
V
CYS
V
CYE
REC AGC AMP cross modulation relative level
–45
–40
dB
HA REC threshold level
1.7
5.0
V
0.0
1.3
V
REC MUTE threshold level
1.2
2.8
V
3.2
5.0
V
REC PB threshold level
1.2
5.0
V
0.0
0.8
V
Continued from preceding page.
Notes:
*
Before measuring the items under Playback Mode, input a 0 to 5.0 V trigger pulse to T5 (H-SYNC), the pin from which the LA70011 takes its T3
(HA) control switch timing.
*
The resistance between pins 13 and 14 must be accurate to within 1.0%.
*
1. These are voltage application points.
*
2. Apply a DC voltage of approximately 1.8 V to the AGC wave detector filter pin (pin 15) to fix the AGC amplifier gain.
*
3. Apply a DC voltage to the REC-CUR-Adj pin (pin 12) and adjust the output level.
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