CA3080(1998) Просмотр технического описания (PDF) - Intersil
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CA3080 Datasheet PDF : 11 Pages
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CA3080, CA3080A
Typical Applications (Continued)
20pF
8.2kΩ
+7.5V
BUFFER VOLTAGE
FOLLOWER
+7.5V
VOLTAGE-CONTROLLED
CURRENT SOURCE 7
1kΩ
1kΩ
3
+
CA3080A
6
2-
2MΩ
4
5
0.9 - 7pF
C1
6.2kΩ
10 - 80pF
C2
HIGH-
FREQ.
SHAPE
7
3+
4 - 60pF CA3160
C3
2
-
-7.5V
4
SYMMETRY
7.5V
+7.5V 4.7kΩ EXTERNAL
100kΩ
SWEEPING INPUT
MAX FREQ. SET
MIN FREQ. SET
-7.5V
+7.5V
-7.5V
10kΩ 6.2kΩ 500Ω 500Ω
FREQ.
ADJUST
-7.5V
CENTERING
100kΩ
THRESHOLD
DETECTOR
+7.5V
+7.5V
30kΩ
0.1µF 430pF
10kΩ
6
0.1
µF
5
6.8MΩ
7
2-
CA3080
6
3+
4
-7.5V
C4
4 - 60
2kΩ
10kΩ
50kΩ
C5
15 - 115
HIGH-FREQ.
LEVEL
ADJUST
FIGURE 2. 1,000,000/1 SINGLE-CONTROL FUNCTION GENERATOR - 1MHz TO 1Hz
2-1N914
NOTE: A Square-Wave Signal Modulates The External Sweeping
Input to Produce 1Hz and 1MHz, showing the 1,000,000/1 frequency
range of the function generator.
NOTE: The bottom trace is the sweeping signal and the top trace is
the actual generator output. The center trace displays the 1MHz signal
via delayed oscilloscope triggering of the upper swept output signal.
FIGURE 3A. TWO-TONE OUTPUT SIGNAL FROM THE
FUNCTION GENERATOR
FIGURE 3B. TRIPLE-TRACE OF THE FUNCTION GENERATOR
SWEEPING TO 1MHz
FIGURE 3. FUNCTION GENERATOR DYNAMIC CHARACTERISTICS WAVEFORMS
4
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