參數(shù)資料
型號: IR3Y30M
廠商: Sharp Corporation
英文描述: CCD Signal Processors for B/W CCD Cameras
中文描述: CCD信號處理器對B /黑白CCD相機(jī)
文件頁數(shù): 16/22頁
文件大?。?/td> 188K
代理商: IR3Y30M
IR3Y30M/M1
16
PARAMETER
AGC circuit (contd.)
SYMBOL
CONDITIONS
TYP.
MIN.
UNIT
MAX.
AGC maximum gain
(1)
AGC maximum gain
(2)
G
AMAX1
Apply signal 3 to SG43 and
measure the amplitude on
TP36.
GA1 to GA4 = 20*LOG
(TP36 amplitude/SG43
amplitude)
SW41, SW43
/
(b),
Pulse
/
CLP, R35 = 220 k$
Apply signal 3 to SG43 and measure the
amplitude on TP36.
SG43 = 50 mVp-p, SW41, SW43
/
(b),
Pulse
/
CLP, V
39
= 4 V, V
41
= 5 V,
R35 = 220 k$
29
27
dB
31
AGC minimum gain
AGCOFF gain
G
AMAX2
G
AMIN
G
AOFF
15.5
–6.5
–2
18.0
–3.5
0
20.5
–0.5
2
SG43 = 20 mVp-p
V
39
= 4 V, V
41
= 5 V
SG43 = 20 mVp-p
V
39
= 4 V, SW41
/
(a)
SG43 = 400 mVp-p
V
39
= 2 V, V
41
= 5 V
SG43 = 200 mVp-p
V
39
= 4 V, V
41
= 0 V
Frequency
characteristic (1)
f
A1
Apply signal 4 to SG43.
Increase the frequency of
signal 4 until the frequency
components of the signal on
TP36 are 3 dB lower than
that at f = 100 kHz, and
measure the frequency of
signal 4. SW41
/
(b),
Pulse
/
CLP, V
41
= 5 V
When measuring case (2),
adjust the V
39
such that the
amplitude of the output on
TP36 is 200 mVp-p.
Apply signal 3 to SG43, change V
41
, and
measure the voltage of V
41
when the gain on
TP36 changes from –3.5 to 0 dB. The gain on
TP36 : 20*LOG (TP36 amplitude/SG43 amplitude)
SG43 = 400 mVp-p, SW43, SW41
/
(b),
Pulse
/
CLP, V
39
= 2 V, R35 = 220 k$
Measure the voltage on TP37A.
With I
37
= +500 μA, measure the change in
voltage on TP37B.
SW37
/
(b)
With I
37
= –500 μA, measure the change in
voltage on TP37B.
SW37
/
(b)
4.5
3.5
MHz
SG43 = 10 mVp-p
R35 = 22 k$
V
39
= 4 V
Vp-p
0.55
0.75
D
A
Output dynamic
range
dB
–25
10.0
–35
7.0
SG43 = 200 mVp-p
R35 = 220 k$
SG43 = 10 mVp-p
R35 = 22 k$
V
39
= 4 V
f = 9.5 MHz
Frequency
characteristic (2)
Frequency
characteristic (3)
f
A2
f
A3
AGC ON/OFF
switching voltage
V
AGC
0.6
0.4
0.8
V
Reference voltage 1
V
REF
1.94
1.84
2.04
V
Reference voltage 2
V
REF2
0.15
0
0.30
V
Reference voltage 3
V
REF3
–0.15
–0.30
0
V
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