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參數(shù)資料
| 型號(hào)： | CA3060 |
| 廠商： | Intersil Corporation |
| 元件分類： | 運(yùn)動(dòng)控制電子 |
| 英文描述： | 110kHz, Operational Transconductance Amplifier Array |
| 中文描述： | 110kHz，運(yùn)算跨導(dǎo)放大器陣列 |
| 文件頁(yè)數(shù)： | 12/12頁(yè) |
| 文件大?。?/td> | 193K |
| 代理商： | CA3060 |
3-12
Figure 28 shows the actual circuit including all the adjust-
ments associated with differential input and an adjustment
for equalizing the gains of Amplifiers 1 and 2. Adjustment of
the circuit is quite simple. With both the X and Y voltages at
zero, connect Terminal 10 to Terminal 8. This procedure
disables Amplifier 2 and permits adjusting the offset voltage
of Amplifier 1 to zero by means of the 100k
potentiometer.
Next, remove the short between Terminal 10 and 8 and
connect Terminal 15 to Terminal 8. This step disables
Amplifier 1 and permits Amplifier 2 to be zeroed with the
other potentiometer. With AC signals on both the X and Y
inputs, R
3
and R
11
are adjusted for symmetrical output
signals. Figure 29 shows the output waveform with the
multiplier adjusted. The voltage waveform in Figure 29A
shows suppressed carrier modulation of 1kHz carrier with a
triangular wave.
Figures 29B and 29C, respectively, show the squaring of a
triangular wave and a sine wave. Notice that in both cases
the output is always positive and returns to zero after each
cycle.
AMP
1
-
+
AMP
2
AMP
3
Y
INPUT
+
-
I
ABC (1)
R
1
R
2
I
ABC (2)
+
-
R
F
R
IN
I
O(2)
R
L
I
O(1)
X
INPUT
V
O
FIGURE 27. FOUR QUADRANT MULTIPLIER
AMP
1
4
13
CA3060
15
14
OUTPUT
X
INPUT
1M
270
270
100
270
1M
1M
1M
16
AMP
3
4
7
200k
51
k
5
Y
INPUT
24k
100
0.02
μ
F
1.1M
6
100k
100k
V+
V-
3
560k
560k
240k
AMP
2
10
11
12
9
8
51k
270
FIGURE 28. TYPICAL FOUR QUADRANT MULTIPLIER CIRCUIT
FIGURE 29A.
FIGURE 29B.
FIGURE 29C.
FIGURE 29. VOLTAGE WAVEFORMS OF FOUR QUADRANT MULTIPLIER CIRCUIT
CA3060
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