VOYAGER
 

Voyager LECP Data Analysis Handbook

 

Calibrations and Channel Definitions

 

Feb. 6, 1979
β Channel                       β’
100 KeV into b, Read out on b-1 disc

 

Input Rate	Output Rate	In	Out
(Cycles per Second)
649	649
1.43K	1.43K	12.6K	12.4K
3.02K	3.00K	35.8K	34.0K
8.52K	8.40K	78.9K	68.6K
12.5K	12.2K	132K	102K
18.9K	18.3K	166K	121K
35.4K	33.4K	229K	149K
67.0K	59.2K	316K	176K
134K	103K	501K	203K
156K	113K	633K	214K
242K	151K
324K	174K
431K	190K
630K	206K

 

 

Channel A
Feb. 6, 1979

 

 

A1 One-Shot Out (J11-23)		A2 (FF Out)		A0 (¸ 8 Output FF)
Input Rate	Output Rate	In	Out	In	Out
(kilo cycles per second)
12.6	12.5	13.7	6.8	12.6	1.61
55.1	49.7	21.8	10.6	20.9	2.69
79	68	41.5	19.7	41.0	5.42
134	102	64.4	29.7	76.9	9.93
196	146	126	54	114	14.7
256	180	175	72	177	23.5
410	254	205	83	353	51.0
676	346	326	116	499	78.8
		456	142	678	123
		677	178

 

 

 

Feb. 22, 1979

 

D1-D2

 

r = R/(1 + RT) Lifetime = 1 – rT

 

1 + RT = R/r r = R(1 – rT)

 

RT = R/r – 1 r = R – rRT

 

T = 1/r – 1/R = (R – r)/(Rr) r(1 + RT) = R

 

r = R/(1 + RT)

 

r = 100K

 

R = 260K

 

T = (260K – 100K)/((260K)(100K)) = 160K/((260)(100)KK) = 1.6/(260K) = 6.15 μs

 

R	1 + RT	r(calc)	r(act)
10K	1.062	9.42K	9.6K
20K	1.123	17.8K	18.5K
40K	1.246	32.1K	35K
80K	1.492	53.6K	58K
150K	1.922	78.1K	82K
250K	2.54	98.4K	99K
500K	4.08	123K	110K

 

 

α

 

r = 150K

 

R = 233K

 

T = (233-150)/((233)(150)) = 2.37 μs

 

R	1 + RT	r(calc)	r(act)
20K	1.0474	19.1K	19.1K
40K	1.095	36.5K	37K
80K	1.190	67.2K	68K
150K	1.36	110K	110K
250K	1.59	157K	155K
500K	2.185	229K	201K
600K	2.422	248K	210K

Feb. 22, 1979

 

10 mc Sr⁹⁰ source from GSFC, thru G-10 cover (1/64")

 

A0 Read out 201 K max; could not see roll-over

 

A1 Read out 190 K max, could not see roll-over

  

 

Return to Calibrations main page.

Return to Voyager LECP Data Analysis Handbook Table of Contents.
Return to Fundamental Technologies Home Page.

VOYAGER 1 ELAPSED TIME

Days: Hours: Minutes: Seconds

*Since official launch
September 5, 1977, 12:56:00:00 UTC

VOYAGER 2 ELAPSED TIME

Days: Hours: Minutes: Seconds

*Since official launch
August 20, 1977, 14:29:00:00 UTC

QUICK FACTS

RELATED LINKS