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It drastically simplifies the design of ultrasonic heat and water meters and is the necessary step for compact tdc gp21 ultrasonic water meters. Clever circuit set-ups, redundant elements and special layout methods on the chip enable the exact reconstruction of the tdc gp21 of basic time intervals.

Ideally this measurement and the following calculation is done by the TDC tdc gp21. The latest software can be downloaded here: Evaluation software package for GPX2 incl. Ultrasonic heat meters Ultrasonic gas meters Ultrasonic flow indicators Laser rangefinders Magnetostrictive sensors.

UFC TDC-GP21 – Ultrasonic Flow Converter | PMT | Precision Measurement Technologies

This product suits for the following applications: Therefore the measured value must be calibrated. For more information, please email tdc gp21 gpta.


The TDC-GPF01 firmware does the linearization and temperature compensation based tdc gp21 spool piece specific calibration data and completes the system-on-chip approach. This is done by measuring one and two periods of a reference oscillator.

TDC-GP21 Applications

tdc gp21 The addition first-hit detection makes TDC-GP22 suitable for high dynamic applications as ultrasonic water meters. The high resolution is all the tdcc impressive as this TDC is realized on tdc gp21 radiation hard process.

Resolutions in the range of 14 ps can be achieved by a simple set-up of the measuring core and the use of a state-of-the art CMOS process. The resolution strictly depends upon the basic delay time in the chip. TDC-GP21 is a 2-channel TDC with gp211 tdc gp21 elements like extended fire-pulse generator, zero-cross detection and analog switches tdc gp21 simplifying the use in ultrasonic flow meter applications.

On the base of the ATMD-System we also develop tdc gp21 solutions and additional modules to fit your application. The tdc gp21 of experience acam has gathered assures the ability to integrate all necessary funtions on a single circuit and so to provide a system-on-chip solution.


tdc gp21 The figure shows the principle of operation. In other words, it determines how many inverter cycles the measured time interval consists of.

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General Description TDC-GP21 is tdc gp21 2-channel TDC with additional analog elements like extended fire-pulse generator, zero-cross detection and analog switches for simplifying the use in tdc gp21 flow meter applications.

The propagation delay itself depends on temperature and supply voltage.

For more tdc gp21, please contact RoentDek. This type of TDC uses the absolute propagation time of signals through simple logical elements for fine quantisation of time intervals.