CAEN V775 TDC - Revision history

Didbtama: /* Timing */

2012-07-16T15:24:22Z

Timing

2012-07-16T15:19:29Z

Checking data word channel number

2010-06-28T21:16:40Z

Checking data word channel number

2010-06-28T21:15:29Z

Checking data word channel number

2010-06-28T21:14:58Z

Checking data word channel number

2009-01-16T18:44:49Z

Checking data word channel number

2008-12-03T01:00:33Z

2008-12-03T00:59:38Z

2008-12-02T03:05:10Z

Checking data word channel number

2008-12-02T02:56:14Z

Full Scale Register

@@ Line 240: / Line 240: @@
 ==Timing==
-TDC start time = fall of the NIM pulse.<br>
+TDC start time = fall of the negative NIM pulse.<br>
-TDC stop time = fall of the NIM pulse.
+TDC stop time = fall of the negative NIM pulse.
 [http://wiki.iac.isu.edu/index.php/VME_modules Go back]
 [[VME_modules]] Go back

@@ Line 237: / Line 237: @@
 <math> t ({\rm ns}) = \frac{1000 {\rm ns}}{2^{12}{\rm chan}} \times Number of {\rm chan}  </math>
 [http://wiki.iac.isu.edu/index.php/VME_modules Go back]
 [[VME_modules]] Go back

@@ Line 236: / Line 236: @@
 xf802440d = 11111000000000100100010000001101 b => bit 17 is high which means channel 2 d (10 b)
-<math> t_{Drift} = \frac{1000 {\rm ns}}{2^{12}{\rm chan}} \times 568.4 {\rm chan}  </math>
+<math> t ({\rm ns}) = \frac{1000 {\rm ns}}{2^{12}{\rm chan}} \times Number of {\rm chan}  </math>
 [http://wiki.iac.isu.edu/index.php/VME_modules Go back]
 [[VME_modules]] Go back

@@ Line 236: / Line 236: @@
 xf802440d = 11111000000000100100010000001101 b => bit 17 is high which means channel 2 d (10 b)
-<math> t (ns) = \frac{1000 {\rm ns}}{2^{12}{\rm chan}} \times #{\rm chan} </math>
+<math> t_{Drift} = \frac{1000 {\rm ns}}{2^{12}{\rm chan}} \times 568.4 {\rm chan}  </math>
 [http://wiki.iac.isu.edu/index.php/VME_modules Go back]
 [[VME_modules]] Go back

@@ Line 235: / Line 235: @@
 xf802440d = 11111000000000100100010000001101 b => bit 17 is high which means channel 2 d (10 b)
 [http://wiki.iac.isu.edu/index.php/VME_modules Go back]
 [[VME_modules]] Go back

← Older revision		Revision as of 18:44, 16 January 2009
Line 236:		Line 236:
	0xf802440d = 11111000000000100100010000001101 b => bit 17 is high which means channel 2 d (10 b)		0xf802440d = 11111000000000100100010000001101 b => bit 17 is high which means channel 2 d (10 b)

−	[http://~~www~~.iac.isu.edu~~/mediawiki~~/index.php/VME_modules back ~~to VME modules~~]	+	[http://wiki.iac.isu.edu/index.php/VME_modules Go back]
		+	[[VME_modules]] Go back

@@ Line 1: / Line 1: @@
 [[Media:Manual_CAEN_775_TDC.pdf]]
-The 12 bit ADC conversion time is 5.7 <nowiki>\mu</nowiki> s.  A sliding scale technique is used to reduce differential nonlinearity by injecting an offset.  This reduces the dynamic range to 0 <math>\Rightarrow</math> 3840.  ADC values between 3841 and 4095 indicate an error.
+The 12 bit ADC conversion time is 5.7 <math>\mu</math>s.  A sliding scale technique is used to reduce differential nonlinearity by injecting an offset.  This reduces the dynamic range to 0 <math>\Rightarrow</math> 3840.  ADC values between 3841 and 4095 indicate an error.
 The TDC measures the time interval between the falling ECL inputs to the start/stop and the channel.
-You can change the dynamic range of the TDC by setting bits using the library function c775setFST.
+You can change the dynamic range of the TDC by setting bits using the library function c775setFSR.
 [[Image:CAEN_V775_TDCAddress.jpg | 400 px]]

← Older revision		Revision as of 03:05, 2 December 2008
Line 227:		Line 227:
	TDC bits = 010000000101 b = 1029 d		TDC bits = 010000000101 b = 1029 d

−	=== Checking data word channel number ===	+	==Checking data word channel number ==

← Older revision		Revision as of 02:56, 2 December 2008
Line 226:		Line 226:

	TDC bits = 010000000101 b = 1029 d		TDC bits = 010000000101 b = 1029 d
		+
		+	=== Checking data word channel number ===
		+
		+
		+	0xf802440d = 11111000000000100100010000001101 b => bit 17 is high which means channel 2 d (10 b)

	[http://www.iac.isu.edu/mediawiki/index.php/VME_modules back to VME modules]		[http://www.iac.isu.edu/mediawiki/index.php/VME_modules back to VME modules]