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HYTEC ELECTRONICS LTD.
5 CRADOCK ROAD, READING, RG2 0JT, U.K.
Doc:
UM0520
Issue:
3.0
Date:
07/01/2002
Author: PJM
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ADC 520/521
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FAST 1 TO 4 CHANNEL
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12 BIT ADC CAMAC MODULE
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WITH OPTIONAL COMPARATOR
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AND SWITCHED GAIN (ADC 521)
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Table of Contents
Summary of Contents for Hytec Electronics ADC 520
- Page 1 **************************************** ADC 520/521 FAST 1 TO 4 CHANNEL 12 BIT ADC CAMAC MODULE WITH OPTIONAL COMPARATOR AND SWITCHED GAIN (ADC 521) **************************************** HYTEC ELECTRONICS LTD. 5 CRADOCK ROAD, READING, RG2 0JT, U.K. Doc: UM0520 Issue: Date: 07/01/2002 Author: PJM...
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Page 2: Table Of Contents
Doc: UM0520 Issue: 3.0 Date: 07/01/2002 Page: Author: PJM CONTENTS Introduction CAMAC Command Set Configuration Links Operating Modes Continuous Mode 4.1.1 Internal Triggering 4.1.2 External Triggering Non-continuous or Comparator Mode Test Mode Control Register Data Format Getting Started Power requirements Parts List... -
Page 3: Introduction
25uS, as well as an even faster version ("EF" type) with a conversion time of 10uS. The ADC 521 is a variant of the ADC 520 which has analogue switches for each channel to permit the gain of the Sample-and-Hold amplifier to be changed in a "times 1"... - Page 4 Doc: UM0520 Issue: 3.0 Date: 07/01/2002 Page: Author: PJM COMMAND SET Note. - Because the unit has 1 - 4 channels and an optional comparator, links are used to define the configuration, which also govern the Q and X responses. Command Meaning Response...
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Page 5: Configuration Links
Doc: UM0520 Issue: 3.0 Date: 07/01/2002 Page: Author: PJM CONFIGURATION LINKS These are located at the top of the PCB at the back:- LK14 LK13 LK11 LK12 NO LINKS All 4 channels and comparator fitted LK 14 in Comparator not fitted LK 13 in Channel 4 not fitted LK 12 in... -
Page 6: Operating Modes
Doc: UM0520 Issue: 3.0 Date: 07/01/2002 Page: Author: PJM OPERATING MODES This unit operates in three principal modes:- Continuous Mode 4.1.1 Internal Triggering (Link 10 in position A - B) The unit performs conversions on all channels fitted and when all have finished, sets the "Data Ready"... -
Page 7: Test Mode
Doc: UM0520 Issue: 3.0 Date: 07/01/2002 Page: Author: PJM 4.3 Test Mode For testing purposes, all data registers can be written at the same time with F(16) A(15). They can all then be read back individually by F(0) A(0-3) to check all the data paths. -
Page 8: Control Register
Doc: UM0520 Issue: 3.0 Date: 07/01/2002 Page: Author: PJM DATA FORMAT The ADC and the Comparator both use straight Binary or Offset Binary, depending whether the unit is in Unipolar or Bipolar Mode. Note - 0-20V Unipolar is NOT available. Standard input ranges are +/-5V, 0-10V, +/-10V. - Page 9 Doc: UM0520 Issue: 3.0 Date: 07/01/2002 Page: Author: PJM PARTS LIST Integrated Circuits Type Location(s) 74LS00 IC23, IC31 74LS02 IC6, IC18, IC29, IC32, IC33 74LS04 IC30 74LS08 IC8, IC25, IC28 74LS14 IC14 74LS74 IC15, IC26, IC27 74LS85 IC20, IC21, IC22 (Comparator only) 74LS123 IC24, IC34, IC35 74LS139...
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Page 10: Parts List
Doc: UM0520 Issue: 3.0 Date: 07/01/2002 Page: Author: PJM PARTS LIST (cont.) 200R Preset RV5 - RV12 inc. 10K Preset RV1 - RV4 inc. 20K Preset RV13 - RV16 inc. SOT (Special) R17 - R20 inc., R37 - R40 inc. 47pF cer.
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