Transmitter Specification

Äîêóìåíò âçÿò èç êýøà ïîèñêîâîé ìàøèíû. Àäðåñ îðèãèíàëüíîãî äîêóìåíòà : http://www.naic.edu/aisr/sas/transmitter/trans-specs.html
Äàòà èçìåíåíèÿ: Tue Aug 12 01:20:19 2003
Äàòà èíäåêñèðîâàíèÿ: Sat Dec 22 13:34:07 2007
Êîäèðîâêà:

Transmitter Specification

Transmitter designation: Radiation at Stanford Model PC-349

Klystron type: Litton L-3403 or L-5773 (two):
- 10 ft. tall, 840 lbs. and surrounded by 2,900 lbs. of magnets.
Center Frequency: 420 MHz (adjustable from 425 to 435 MHz)
Frequency stability: Better than 2 parts in 10¹¹ over periods of 1 sec to 1 hr.
Maximum instantaneous bandwidth: 2 MHz
Maximum Peak Power at transmitter output: 2.5 kW
Maximum Avg. Power at transmitter output: 150 kW
Maximum beam duty cycle: 6 %
Efficiency: 35 %
Power supply Max. rating: 120, 000 V @ 4.4 A
Power supply regulation: 12 % no load to full load
Waveguide attenuation: 1 dB
Maximum PRF: 1 kHz
Maximum pulse length: 2.1 msec
Minimum pulse length: 2 µsec
Beam Current Rise and Fall Time: 5 µsec minimum
Power output variation: less than 0.2 dB pulse to pulse after 15 minutes warm up
Output pulse shape: rectangular (shaped pulses can be obtained by modulating the RF drive)
Output power adjustability: continuously adjustable to ~20 dB
Interpulse noise: The noise contributed by klystron beam is less than 750 K.