p hase s hifter / s witch m odule f or e lectronic tacan a ntenna d escription . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . t ypical s pecifications this module has three rf inputs of 500 watt peak and 20 watt average power. each of the three channels contain a 4-bit digital phase shifter and the phase shifters? outputs feed two transfer switches, as shown in the circuit diagram. the module includes all necessary pin diode drivers for the phase bits and switches, as well as bite circuitry, which monitors all pin diodes, drivers and dc supply voltages, and gives a ttl ?fault? indication if any parameters are out-of- range. a pplications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . multi-sector array antenna for tacan transmitters frequency range 960 - 1225 mhz rf input power (j1, j2 & j3) 500w peak, 20w average, 5sec pulse width load impedance 50 ohm nom., open/short at full power, all phases - no damage insertion loss 4.5 db max. vswr 2:1 max., 1.5:1 average phase steps 22.5 phase error 10 peak, 7 rms phase tracking, channel to channel within 10 at 0 phase setting transfer switch isolation 40 db min. control ttl, 4 lines per phase shifter, 1 line per switch switching time, 50% ttl, 90/10% rf 300 nsec. typ., 400 nsec. max. switching mode cold (between rf pulses) dc power (v+/-10%) +5v/1.75 a, -50v/180 ma power supply protection slow-blow fuses bite monitors pin diodes, driver operation and supply voltages bite output single ttl line operating temperature -55 to +85 c (air and mounting plate temperature) humidity to 100% rf connectors tnc (f) dc and control cgk 32 pin miniature circular or equivalent dimensions 8.67? w x 10.8? l x 6.7? h weight 9 lbs. part number RFS0912-S2
p hase s hifter / s witch m odule f or e lectronic tacan a ntenna
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