Scitec 441 Manuals

Manuals and User Guides for Scitec 441. We have 1 Scitec 441 manual available for free PDF download: User Manual

Scitec 441 User Manual

Scitec 441 User Manual (29 pages)

DUAL PHASE LOCK-IN AMPLIFIER AND DUAL PHASE LOCK-IN AMPLIFIER

Brand: Scitec | Category: Amplifier | Size: 1 MB

Table of Contents

Table of Contents
2
1 Power Supply

3
- Power Connections
  3
- Earth Connections for High Voltage / ESD Protection
  3
2 Board Layout

4
3 Operation

6
- Block Diagrams
  6
- Lock-In Amplifier Theory
  6
4 Input Stage

8
5 First Stage Amplification

13
6 Low Pass Filter Time Constant Settings

16
- First Time Constant Settings
  16
- Second Time Constant Settings
  18
7 Output Stage

19
- Output Stage Amplification
  19
- Fine Gain Adjust
  19
- Offset Adjust
  19
- R Calculation
  20
- R Calculation Time Constant
  20
8 Reference Section

20
- Fine Phase Control
  20
- Coarse Phase Control and 1F/2F Operation
  21
9 Overall System Gain and Dynamic Reserve

23

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