CH HPGe Electronics Chain - Revision history

Harpconn: /* Summer 2022 Efficiency Measuremets */

2022-10-31T14:26:04Z

Summer 2022 Efficiency Measuremets

2022-07-27T18:49:26Z

June 2022 Efficiency Measuremets

2022-07-27T18:49:15Z

2022-07-27T18:32:37Z

Discriminator Settings

2022-07-27T18:32:19Z

Discriminator Settings

2022-07-25T22:43:00Z

Discriminator Settings

2022-07-25T22:04:30Z

2022-06-29T22:19:24Z

2022-06-29T21:12:15Z

List of Modules

2022-06-29T20:56:47Z

June 2022 Efficiency Measuremets

@@ Line 11: / Line 11: @@
 B. Timing filter amp output → discriminator input
-B. Discriminator output → negative input of gate/delay generator 1
+B. Discriminator output → negative input of gate/delay generator 1 & → negative input of gate/delay generator 2
 B. Negative output of gate/delay generator 1 → ADC Gate
-C. Positive output of gate/delay generator 1 → Positive input of gate/delay generator 2
+C. Negative output of gate/delay generator 2 → Readout card port 1
 =='''Discriminator Settings'''==

← Older revision		Revision as of 18:49, 27 July 2022
Line 1:		Line 1:
−	='''~~June~~ 2022 Efficiency Measuremets'''=	+	='''Summer 2022 Efficiency Measuremets'''=

	1. Output 1 of HPGe → fan in/out		1. Output 1 of HPGe → fan in/out

@@ Line 23: / Line 23: @@
 Note that when using a timing filter amp, the effective level of discrimination is adjusted. The timing-filter amp used (table below) has a minimum amplification of ~2.3x. To keep things consistent with using the unaltered pre-amp signal from the HPGe detector, the threshold is divided by the gain set by the timing filter amp and will be referred to as the ''Effective Threshold''.
-{| class="wikitable"
+{| class="wikitable" border="2" style="text-align:center;" |cellpadding="20" cellspacing="1
 ! Discriminator Threshold (mV) !! Gain !! Effective Threshold (mV)
 |-

@@ Line 21: / Line 21: @@
 =='''Discriminator Settings'''==
-Note that when using a timing filter amp, the effective level of discrimination is adjusted. The timing-filter amp used (table below) has a minimum amplification of ~2.4x. To keep things consistent with using the unaltered pre-amp signal from the HPGe detector, the threshold is divided by the gain set by the timing filter amp and will be referred to as the ''Effective Threshold''.
+Note that when using a timing filter amp, the effective level of discrimination is adjusted. The timing-filter amp used (table below) has a minimum amplification of ~2.3x. To keep things consistent with using the unaltered pre-amp signal from the HPGe detector, the threshold is divided by the gain set by the timing filter amp and will be referred to as the ''Effective Threshold''.
 {| class="wikitable"
@@ Line 30: / Line 30: @@
 | 30.2 || ~2.4 || 12.58
 |-
-|  ||  ||
+| 30.4 || ~2.8 || 10.86
 |}

← Older revision		Revision as of 22:43, 25 July 2022
Line 22:		Line 22:

	Note that when using a timing filter amp, the effective level of discrimination is adjusted. The timing-filter amp used (table below) has a minimum amplification of ~2.4x. To keep things consistent with using the unaltered pre-amp signal from the HPGe detector, the threshold is divided by the gain set by the timing filter amp and will be referred to as the ''Effective Threshold''.		Note that when using a timing filter amp, the effective level of discrimination is adjusted. The timing-filter amp used (table below) has a minimum amplification of ~2.4x. To keep things consistent with using the unaltered pre-amp signal from the HPGe detector, the threshold is divided by the gain set by the timing filter amp and will be referred to as the ''Effective Threshold''.
		+
		+	{\| class="wikitable"
		+	! Discriminator Threshold (mV) !! Gain !! Effective Threshold (mV)
		+	\|-
		+	\| 30.2 \|\| N/A \|\| 30.2
		+	\|-
		+	\| 30.2 \|\| ~2.4 \|\| 12.58
		+	\|-
		+	\| \|\| \|\|
		+	\|}

	='''List of Modules'''=		='''List of Modules'''=

@@ Line 1: / Line 1: @@
-=June 2022 Efficiency Measuremets=
+='''June 2022 Efficiency Measuremets'''=
 . Output 1 of HPGe → fan in/out
@@ Line 18: / Line 18: @@
 C. Negative output of gate/delay generator 2 → Readout card port 1
 ='''List of Modules'''=

@@ Line 45: / Line 45: @@
 | Fan in/out || CAEN || N625
 |-
-|  ||  ||
+| Spec-Amp || Ortec || 672
 |-
-|  ||  ||
+| ADC || CAEN || V785N
 |}

@@ Line 19: / Line 19: @@
 =June 2022 Efficiency Measuremets=
-. Output 1 → fan in/out
+. Output 1 of HPGe → fan in/out
 A. 1st fan in/out output → spec amp