Difference between revisions of "Active Base Radiation Tests"

Revision as of 11:08, 20 December 2023

Measurements
Date	Total Dose (kR)	Divider current1 (uA)	Pulse Amplitude1 (mV)	Comment1	Divider current2 (uA)	Pulse Amplitude2 (mV)	Comment2
2023/11/08	0 kR	388.5	998 mV	Positive Voltage 4V, Negative Voltage -4V (in contrast)[1]	388.5	998 mV	Positive Voltage 4V, Negative Voltage -4V (in contrast)[2]
2023/11/08	3.2 kR	386.5	951 mV		386.5	937 mV
2023/11/09	7 kR	384.5	923 mV		384.0	898 mV
2023/11/10	10.22 kR	382.5	877 mV		382.5	860 mV
2023/11/13	12.4 kR	381.5	858 mV		380.5	845 mV
2023/11/14	15.6 kR	379.5	825 mV		378.0	787 mV
2023/11/15	19 kR	377.5	142 mV	Positive Voltage 4.2V, Negative Voltage -1.7V [3]	376.5	1064 mV	Positive Voltage -0.7V, Negative Voltage -3.4V, weird tail in waveform[4]
		378.5	808 mV	Regulator removed [5]	377.0	765 mV	Regulator removed [6]
2023/11/16	22.3 kR	376.5	771 mV	Waveform [7]	375.0	740 mV	Waveform[8]
2023/11/17	26.2 kR	375.0	744 mV	Waveform [9]	373.0	718 mV	Waveform[10]
2023/11/20	28.4 kR	375.0	748 mV	Waveform [11]	373.0	712 mV	Waveform[12]
2023/11/21	31.9 kR	373.5	727 mV	Waveform [13]	371.0	686 mV	Waveform[14]
2023/11/22	35.25 kR	372.5	715 mV	Waveform [15]	370.5	682 mV	Waveform[16]
2023/11/29	38.66 kR	372.5	708 mV	Waveform [17]	370.5	668 mV	Waveform[18]
2023/11/30	42.1 kR	371.0	682 mV	Waveform [19]	369.0	643 mV	Waveform[20]
2023/12/01	45.5 kR	370.5	672 mV	Waveform [21]	368.0	623 mV	Waveform[22]
2023/12/08	49 kR	370.0	669 mV	Waveform [23]	367.5	634 mV	Waveform[24]

Measurements
	Reference(mV)	Modified_181(mV)	Modified_193(mV)	181(mV)	193(mV)
Delta 1	50.6	50.8	50.9	48.0	48.4
Delta 2	39.3	39.4	39.4	37.2	37.5
Delta 3	38.9	39.3	39.1	37.1	37.2
Delta 4	38.8	39.0	39.0	36.8	37.1
Delta 5	38.9	39.0	39.0	36.9	37.1
Delta 6	38.9	38.4	38.9	36.9	37.0
Delta 7	39.1	39.3	39.2	37.1	37.3
Delta 8	110.8	108.4	108.6	102.4	103.3
Delta 9	194.0	214.1	211.6	202.3	201.3
Delta 10	142.0	171.6	168.22	162.1	160.0

Fig. 1 Location of active base voltage regulators (two black chips on the top of the PCB) exposed to radiation (left PCB). PCB with the removed regulators (right PCB)
Fig. 2 Location of active base operational amplifiers

@@ Line 80: / Line 80: @@
 |+ Measurements
 |-
-!  !! Ref(mV) !!  Modified_181(mV) !!  Modified_193(mV) !!  181(mV) !!  193(mV)
+!  !! Reference(mV) !!  Modified_181(mV) !!  Modified_193(mV) !!  181(mV) !!  193(mV)
 |-
 | Delta 1 || 50.6  || 50.8 || 50.9 || 48.0 || 48.4