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參數(shù)資料
| 型號： | AFF-20A-250 |
| 廠商： | MERRIMAC INDUSTRIES INC |
| 元件分類： | 衰減器 |
| 英文描述： | 10 MHz - 500 MHz RF/MICROWAVE VARIABLE ATTENUATOR, 3 dB INSERTION LOSS-MAX |
| 文件頁數(shù)： | 1/1頁 |
| 文件大?。?/td> | 98K |
| 代理商： | AFF-20A-250 |
Typical Performance
A-Size Flatpack Outline
General Notes:
1. The AFF-20A-250 is a constant impedance, voltage
controlled, PIN diode,
π network attenuator with compensated
circuits to provide constant phase. This unit covers 10 to 500
MHz using electronic voltage control to adjust attenuation.
Similar attenuator Model AEF-35A-500 is available for
applications not requiring minimal phase shift with change in
attenuation
2. Screened versions with extended reliability components are
available on request for Hi-Rel applications.
GENERAL SPECIFICATIONS
Operating Bandwidth:10 to 500 MHz
Impedance:
50
nom.
VSWR:
1.5:1 typ., 2.0:1 max.
Bias:
+15 VDC @ 1 mA nom.
Control Voltage:
0 to +15 VDC
Control Current:
0 to 10 mA
Control Bandwidth:
DC to 100 kHz
Input Intercept Point: +21 dB nom.
(2 Tone, 3rd Order, @ Input of -- 10 dBm)
Switching Time:
20
s typ.
(Step Input, 50
Source Impedance)
Weight
0.1 oz (2.8 grams)
Operating Temp:
-- 20° to +85°C
AFF-20A-250
ELECTRONIC ATTENUATOR
10 to 500 MHz / 0 to 20 dB / Multi-Octave / Optimized for Minimim Phase Shift; 3 Typ. / Flatpack
PRINCIPAL SPECIFICATIONS
Operating
Attenuation
Phase
Insertion
Frequency
Range,
Shift,
Loss, Max.
Range, MHz
dB, Min.
Typ.
Max.
@ Vc=15V
10 - 100
0 - 25
3
°
6
°
3.0 dB
100 - 500
0 - 20
3
°
6
°
3.0 dB
For further information contact MERRIMAC / 41 Fairfield Pl., West Caldwell, NJ, 07006 / 973-575-1300 / FAX 973-575-0531
NOTES:
1. Tolerance on 3 place decimals
± .010(.25) except as noted.
2. Dimensions in inches over millimeters.
3. Dimensions marked with * apply only at body.
4. All unmarked terminals are ground.
26Apr96
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