PSM-4E-10B MERRIMAC | Alldatasheet
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PSM-4E Series PHASE SHIFTERS, MANUAL 10 to 100 MHz / 0 to 180 Continuous Plus 180 Switch / 10% Bandwidth / SMA Connectors Fo r f u rther infor m at ion contact MERRIMAC / 41 Fairfield Pl., West Caldwell, NJ, 07006 / 973-575-1300 / FAX 973-575-0531 PRINCIPAL SPECIFICATIONS Center Phase Model Frequency, Shift Usable Number fo, MHz Range at fo Bandwidth PSM-4E-B 10 to 100 360° min. fo ± 5% For complete Model Number replace *with desired Center Frequency, f o in MHz. GENERAL SPECIFICATIONS Insertion Loss: 1.75 dB max. Impedance: 50 Ω nom. VSWR: 2.0:1 max CW Power: 1 Watt max. Screw Drive: 32 turns nom., plus toggle switch Control direction for increasing phase shift: Clockwise Weight, nominal: 1.5 oz. (42 g) Operating Temp: -- 55° to +85°C General Notes: 1. The PSM-4E series of Phase Shifters provides continuously variable phase shift across the range o f 0° to 180°. An additional 180° phase shift can be switched in to provide a total range of 360°. 2. To realize variable phase shifts, these models employ a lumped element quadrature hybrid with a m atched pair of L-C networks acting as sliding short circuits on the outputs. The electrical length of the short effectively delays the ref lected signal that appears at the isolated port of the quadrature hybrid. 3. Merrimac phase shifters are designed for high reliability and can be supplied screened for specif ic applications. 15Feb96 NOTES: 1. Tolerance on 3 place decimals ±.020(.51) except as noted. 2. Dimensions in inches over millimeters.