Fundamental Technologies

Voyager LECP Pages

February 5, 1979
a Channel

100 keV into a test input from Random Pulser.

Read out on a1-1 discriminator.

Input Rate Output Rate
526 cps 525
1433 1429
12713 12393
20593 19808
36700 34500
55100 49900
90000 74300
135000 103000
178000 125000
220000 143000
300000 169000
404000 190000
647000 214000

Figure:  Feb. 5, 1979, LECP SN02, a1-1 Disc. Output, Random Pulser Inputs, ~100 keV, Synchronous

r = 150 K
R = 233 K
T = (233-150) / 233(153) = 2.37 ms

R 1+RT r (calc) r (act)
20000 1.0474 19100 19.1
40000 1.095 36500 37
80000 1.190 67200 68
150000 1.36 110000 110
250000 1.59 157000 155
500000 2.185 229000 201
600000 2.422 248000 210

t = R-r / Rr = 3.09 ms

R r(calc)
t = 3.09 ms
20 K 18.8
40 K 35.6
80 K 64.1
150 K 102
250 K 141
500 K 196

a Channel Source Test - Feb. 22, 1979

10 mc Sr50 source from GSFC, thru G-10 cover (1/64")
A0 Read out 201 K max; could not see rollover;
A1 Read out 190 K max; could not see rollover.

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Last modified 8/19/05, Tizby Hunt-Ward
tizby@ftecs.com