CA3450 데이터 시트보기 (PDF) - Intersil
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CA3450 Datasheet PDF : 8 Pages
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CA3450
Test Circuits and Waveforms (Continued)
INPUT
174
Ω
511Ω
54Ω
2-10pF
+6V
10Ω
CC 11
0.01
9
8 µF
7
3-
CA3450
6
14 +
12
4
11
5
MULTILAYER
CERAMIC CHIP
10Ω
0.1µF
-6V
MEASUREMENT
82.5Ω
POINT
82.5Ω
SIMULATED
50 TWO
Ω
TRANSMISSION
LINE
ALL RESISTORS
ARE 1%
2-HP-5082-2835
DIODES
FIGURE 5. CIRCUIT USED TO MEASURE SETTLING TIME
11
2V STEP
10
9
8
7
6
5
4
3
2
1
15
20
25
30
35
40
45
50
SETTLING TIME TO ±1/2LSB (ns)
FIGURE 6. ACCURACY IN BITS AS A FUNCTION OF SETTLING
TIME
2
10
15
0.5kΩ 10kΩ 0.5kΩ
1
16
4
V-
FIGURE 7. NULLING CIRCUIT FOR THE CA3450
5pF
MODULATED
STAIRCASE
INPUT SIGNAL
14
75Ω
3
11
9
+
0.1µF
8
7
CA3450
6
15
-
12
5
13
2
10
4
10Ω
+6V
+
-
4.7µF
SHIELDED CABLE
75Ω
1VP-P
220Ω
75Ω
TEKTRONIX VM700A
NTSC TEST SET
0.1µF
10Ω
-6V
4.7µF
220Ω
FIGURE 8. CONFIGURATION USED TO MEASURE DIFFERENTIAL GAIN AND PHASE
6
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