Time-to-Digital-Converters by Acam
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Time to Digital Converters

TDC - GP1
TDC - GP2
TDC - GP21
TDC - GPX
Time-to-Digital Applications
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PICOSTRAIN

Time to Digital Converters for Digital Strain Gage

PICOSTRAIN PS08
PICOSTRAIN PS081
PICOSTRAIN PS09
PICOSTRAIN PS021
Strain Gage Applications
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PICOCAP

Time to Digital Converters for Capacitance Measurement

PICOCAP PCap01
PICOCAP PS021
PICOCAP PSA21
Capacitance Applications
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PICOTURN

Time to Digital Converters for Speed Sensors

PICOTURN 2G
PICOTURN BM/SM
Speed Sensor Applications
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Time-to-Digital - TDC Cookbook

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time-to-digital converters
TDC - Cookbook
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Acam USA Newsletter

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PSA21 - Evaluation System for PS021 Circuits

Easy Access to a New Measuring Principle

The PSA21 evaluation system offers a convenient evaluation and measurement system to test PS021 chip functions and performance.

The PS021 chip with the PSA21 Evaluation System is the ideal measurement system. A powerful graphical user interface simplifies set up. The PSA21 is connected to a PC with a RS232 interface. Several settings for core and I/O supply voltage can be selected with jumpers. Further jumpers allow current measurement. The user can start with the sample configurations that are provided to do the first measurements within minutes.

The PSA21 Evaluation System is the right tool to find the best configuration for the customer’s specific application. Testing under various configuration conditions gives a solid understanding of the measuring principle and shows great flexibility with precision, update rate, and power consumption.

The PSA21 evaluation system includes the motherboard with one plug-in module, the power supply, the cable, and a CDROM with all the necessary software and manuals. With its modular system design, the PSA21 can be easily adapted to different measurement tasks.

PICOSTRAIN® Circuits
PSA21 - Evaluation System Software
PSA21 - Evaluation System Data Sheet

PSA21 Eval System

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PSA21 - Evaluation System Features - for Use With the PS021 Chip

  • PC-supported system
  • Communication via serial RS232 interface
  • Modular system design
  • Plug-in modules for PICOSTRAIN-compliant sensors and traditional Wheatstone bridges
  • Graphical interface for configuration, data representation, and data export to file
  • Sample configuration files for typical applications
  • 32.768 kHz and 4 MHz oscillators on board
  • Programmable voltages for PSØ21 core (Vcc), PSØ21 I/O, and strain gage (Vio)
  • Shorting plugs for current measurement on board
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PSA21 - Motherboard and Modules

The PSA21 evaluation system includes the motherboard with one plug-in module, the power supply, the cable, and a CDROM with all the necessary software and manuals. With its modular system design, the PSA21 can be easily adapted to different measurement tasks.

As reference frequency two clocks with 32,768 Hz or 4 MHz are available.

There is a BNC connector to trigger a single measurement by an external signal.

PSa21 System Components

Plug-In Modules

PSA21-STD
Module for PICOSTRAIN standard bridge connection (separated halfbridges)
PSA21mini-STD
Standard module for measuring up to 2 full-bridges or 4 half-bridges
PSA21-WSB
Module for Wheatstone bridges
PSA21mini-WSB
Wheatstone plug-in module for measuring up to 2 Wheatstone bridges
PSA21-CAP
Module for capacity measurements This Product is Obsolete
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