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| 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 Frequency Range, MHz 10 - 100 100 - 500 A-Size Flatpack Outline 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) Attenuation Phase Range, Shift, dB, Min. Typ. Max. 0 - 25 0 - 20 3 3 6 6 Insertion Loss, Max. @ Vc=15V 3.0 dB 3.0 dB Switching Time: Weight Operating Temp: 20 s typ. (Step Input, 50 Source Impedance) 0.1 oz (2.8 grams) -- 20 to +85C Typical Performance 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. General Notes: 1. The AFF-20A-250 is a constant impedance, voltage controlled, PIN diode, 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. 26Apr96 For further information contact MERRIMAC / 41 Fairfield Pl., West Caldwell, NJ, 07006 / 973-575-1300 / FAX 973-575-0531 |
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