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參數(shù)資料
| 型號： | GT4123ACDA |
| 英文描述： | Analog Multiplier |
| 中文描述： | 模擬乘法器 |
| 文件頁數(shù)： | 7/15頁 |
| 文件大?。?/td> | 387K |
| 代理商： | GT4123ACDA |
520 - 44 - 00
GT4124 CIRCUIT APPLICATIONS
Figure 6 shows a test circuit for the GT4124. It is very similar
to the GT4122 circuit shown in Figure 3.
In this circuit, there are no DC offset adjustments required for
the two video input channels. The 0.5V REFERENCE adjustment
as well as the SPAN, 50% GAIN and CONTROL OFFSET
adjustments are identical to those used on the GT4122 board.
The major difference in this circuit is the need for an active low
STROBE pulse in order to activate the on-board clamp.
The test set up shown, uses a low frequency triangle waveform
for the signal sources, and derives a triggered negative going
pulse from the same generator to act as the STROBE input.
If actual video is used, the STROBE pulse can be obtained
from the output of a sync separator circuit. In either case, the
performance of the clamp can be evaluated using this test
board.
As well, parameters such as Frequency Response, Linearity
and Differential Gain and Phase can be measured. An artwork
for this board is included in this application note.
GT4124
CONTROL
OFFSET
RV2
100
C3
0.1
Z1
6.2V
R3
1k
RV1
200
R2
1k
10nF
R1
560
(0.5V)
R4
5.6k
50%
GAIN
1
4
3
17
18
19
20
+10V
-10V
-V
S
GND
COMP
C
OS1
B
OS2
6
5
7
15
16
14
+IN B
S1
-IN B
-IN A
9
8
10
12
13
S 2
V
REF
+IN A
11
-10V
C5
47
C1
0.1
5 - 25pF
C
COMP
1k
RV4
VREF
ADJUST
RV3
SPAN
ADJUST
C5
0.1
+V
S
C
OS2
V
C
R
EXT
C
LREF
+
C
LSIG
STROBE
2
C
HOLD
-5V
C6
0.1
ROUT
10k
+5V
B VIDEO INPUT
CONTROL INPUT
75
if required
C7
0.1
A VIDEO INPUT
75
if required
75
if required
IC2
CLC110
1
4
5
8
VIDEO OUT
STROBE
0.1
1k
47
+
NOTE:
1.
All resistors in ohms, all capacitors in
μ
F unless otherwise stated.
2.
C5 is used when the CONTROL VOLTAGE (V
C
) is derived from a power supply.
Fig. 6 GT4124 Test Circuit
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| GT4123ACKA | Analog Multiplier |
| GT4123-CDA | Analog Multiplier |
| GT4123-CKA | Analog Multiplier |
| GT4124 | Trimmable Two Input Analog Mixers |
| GT4124-CDF | Analog Multiplier |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| GT4123ACKA | 制造商:Rochester Electronics LLC 功能描述: 制造商:Gennum Corporation 功能描述: |
| GT4123ACKAE3 | 制造商:Rochester Electronics LLC 功能描述: 制造商:Gennum Corporation 功能描述: |
| GT4123B | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Two Channel Video Multiplier |
| GT4123BCDA | 制造商:Rochester Electronics LLC 功能描述: 制造商:Gennum Corporation 功能描述: |
| GT4123BCKA | 制造商:Rochester Electronics LLC 功能描述: 制造商:Gennum Corporation 功能描述: |
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