[hpsdr] [CASMIR] System Requirements 07JUN2006

Ross Stenberg radio at charter.net
Wed Jun 7 20:26:46 PDT 2006


Load impedance of 50 ohms and SWR protection above 3:1 certainly look
achievable:^)

	73 Ross K9COX 



>>>CASMIR SYSTEM REQUIREMENTS
June 7, 2006

1.    CASMIR shall support transmitter frequency coverage from 0 MHz to
47GHz.
2.    CASMIR shall support a frequency stability of better than 1 part in
10**9 over a 24 hour average
3.    CASMIR shall support defined phase stability over a range of offsets.
3.1.    Phase stability shall be better than -120 dBc/Hz at 100 Hz offset
3.2.    Phase stability shall be better than -135 dBc/Hz at 1000 Hz offset
3.3.    Phase stability shall be better than -135 dBc/Hz at 10000 Hz offset
4.    CASMIR shall have an amplitude stability of +/- 0.5 dB
5.    CASMIR shall have defined power outputs over the defined frequency
coverage
5.1.    A power level of 1 watt shall be supported from 0 MHz to 6 GHz
5.1.1.    Variable power output level shall be supported with 1-3-6-10 dB
steps per decade starting at -30 dBm
5.2.    A power level of 10mW shall be supported from 10GHz to 47GHz
5.2.1.     Power output level shall be fixed from 10GHz to 47GHz
6.    CASMIR shall support a load impedance of 50 ohms
6.1.    Protection shall be provided against standing wave ratios of greater
than 3:1 
7.    CASMIR shall support a signal to noise ratio of 100 dB
8.    CASMIR shall create spurs no greater than -100 dB
9.    CASMIR shall support a frequency lock-up time of 20ms
10.    CASMIR shall support adjustment of frequency while transmitting
11.    CASMIR shall support an envelope rise time of xx ms
12.    CASMIR shall support an envelope fall time of xx ms
13.    CASMIR shall support a maximum information bandwidth of 40MHz 
14.    CASMIR shall support frequency resolution of 1Hz





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