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參數(shù)資料
| 型號： | AD7750 |
| 廠商： | Analog Devices, Inc. |
| 英文描述： | Product-to-Frequency Converter(乘積-頻率轉(zhuǎn)換器) |
| 中文描述： | 產(chǎn)品頻率轉(zhuǎn)換器（乘積-頻率轉(zhuǎn)換器） |
| 文件頁數(shù)： | 15/16頁 |
| 文件大?。?/td> | 155K |
| 代理商： | AD7750 |
AD7750
–15–
REV. 0
T able III. Components for Suggested Class 1 Meter Implementation in Figure 21
Schematic
Designator
Description
470
, 5%, 1 W
1 k
, 5%, 1/2 W
100
, 10%, 1/2 W
1 k
, 10%, 1/2 W
1 M
, 5%, 2 W
Comments
R1
R2
R3, R4,
R7
R5
T hese registers are required to form part of the antialiasing filtering on the analog inputs;
they do not perform a voltage-to-current conversion.
T he choice of R5 determines the attenuation on the voltage channels and hence the meter
rating, e.g., 100 PPK WHR.
Forms part of the Gain Calibration network with R5 and VR1.
R6
R8, R9
VR1
1.1 k
, 5%, 1/2 W
500
, 10%, 1/2 W
100
, 10/15 T urn
T his potentiometer is used to perform the Gain Calibration of the meter. Attenuation of
830 to 900—see Applications section.
C1
C2
C3, C4
C5, C6,
C9, C10
C7, C11
C8, C12
Z1
D1, D2
D3
D4, D5
X T AL
MOV
470 nF, 250 V ac
100
μ
F, 24 V dc
33 pF
330 nF
33 nF
10
μ
F, 10 V
10 nF
1N750
1N4007
LED
IR LEDS
3.579545 MHz
V250PA40A
Forms part of the antialiasing filters on the analog inputs.
Metal Oxide Varistor–Harris Semiconductor.
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| AD7750AN | 制造商:Rochester Electronics LLC 功能描述:PRODUCT TO FREQUENCY CONVERTER I.C. - Bulk 制造商:Analog Devices 功能描述:IC V TO F CONVERTER 7750 DIP20 |
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| AD7750AR-REEL | 制造商:Analog Devices 功能描述: |
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