參數(shù)資料
型號: CA3246
英文描述: HEX BUFFER/CONVERTERS
中文描述: 高頻NPN晶體管陣列低功耗應(yīng)用的頻率達(dá)1.5GHz的FN1345.4
文件頁數(shù): 5/14頁
文件大?。?/td> 342K
代理商: CA3246
3-119
Schematic Diagram
(One Amplifier of Two)
FIGURE 2. TEST CIRCUIT AMPLIFIER (30dB GAIN) USED FOR WIDEBAND NOISE MEASUREMENT
Test Circuits and Waveforms
(Continued)
R
S
CA3240
-
+15V
-15V
0.01
μ
F
0.01
μ
F
+
BW (-3dB) = 140kHz
TOTAL NOISE VOLTAGE
(REFERRED TO INPUT) = 48
μ
V (TYP)
30.1k
1k
1M
NOISE
VOLTAGE
OUTPUT
BIAS CIRCUIT
INPUT STAGE
SECOND STAGE
OUTPUT STAGE
DYNAMIC CURRENT SINK
V+
OUTPUT
V-
OFFSET NULL (NOTE 9)
INVERTING
INPUT
NON-INVERTING
INPUT +
-
R
1
8K
Q
1
D
1
Q
6
Q
7
Q
8
Q
2
Q
5
Q
4
Q
3
D
2
D
3
D
4
D
5
Q
9
Q
10
R
2
500
R
5
500
R
4
500
R
3
500
Q
11
Q
12
Q
13
C
12pF
Q
14
R
6
50
R
7
30
Q
15
Q
16
R
8
1K
R
11
20
Q
17
R
10
1K
R
9
50
D
7
D
8
Q
20
Q
21
R
12
12K
R
14
20K
R
13
15K
D
6
Q
18
Q
19
NOTES:
9. Only available with 14 Lead DIP (E1 Suffix).
10. All resistance values are in ohms.
CA3240, CA3240A
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