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PSES-4 Series
PHASE SHIFTERS
5 to 400 MHz / 0 to 360 / 10% Bandwidth / Voltage Controlled / PC Package
PRINCIPAL SPECIFICATIONS
Model Number PSES-4-***B Center Frequency, fo, MHz Usable Bandwidth
GENERAL SPECIFICATIONS
Phase Shift Range: Insertion Loss: Impedance: VSWR: Control Voltage: Modulation Rate: Input Power: Phase Stability: Weight, nominal: Operating Temp: 360 min. @ fo 2 dB max 50 nom. 1.6:1 max. 0.5 to +30V min.* 1% of fo nom. --10 dBm max. 0.2 per C typ. 2.5 oz (72 g) -- 55 to +85C
5 to 400 fo 5% For complete Model Number replace *** with Center Frequency, fo in MHz.
Package Outline
*For full control range
Typical Performance, Selected Frequencies
NOTES:
1. Tolerance on 3 place decimals 2. Dimensions in inches over millimeters. 3. All unmarked pins are internally ground.
.010(.25) except as noted.
General Notes: 1. The PSES-4 series of phase shifters provides continuously variable phase shift across a range of 0 to 360 with the application of a control voltage of 0 to +30V. 2. Each phase shifter element employs lumped element quadrature hybrids with matched pairs of varactor tuned LC networks acting as sliding short circuits on the outputs. The electrical length of the short effectively delays the reflected signal which appears at the isolated port of each quadrature hybrid. Similar Phase Shifters are available in a variety of packages, including catalog models in flatpacks and Meri-Pacs. 3. Merrimac phase shifters are designed for high reliability and can be supplied screened to meet specific military and space applications.
24May96
F rf t e if r to c n a tM ERRI AC /41 Faifel Pl,W estCal el,NJ,07006 / 973o ur h r n o ma in o t c M ri d . dw l 5751300 /FAX 973- 0531 575-

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