Circuitmaker - Frequency Counter

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Thanks a lot. I tried looking in Instruments and also searching help for frequency and measurement and right clicking on the output waveform display... cursors will do the trick.

Yes. Probably a similar method to that used in other simulators. Display the Measurement Cursors, position two over a cycle of oscillation, and read the result. Did you try reading the Help? Here's a detailed extract:

"If both cursors are enabled, Cursor 2 - Cursor 1 values (x and y cursor deltas) can be displayed. If both the cursors are assigned to the same waveform, then the Minimum or Maximum y value between the cursors is displayed. Other options for a single waveform include Average, RMS and Frequency. Average and RMS values are based on the average of the data between the cursors, so for an accurate measurement, it is important to measure complete cycles or a large number of cycles. Also, be sure that the waveform you are measuring has stabilized between the cursors (i.e., it is not drifting toward or away from some DC offset.) See Figures 6.8 and 6.9 in the user manual. Frequency is measured by placing the cursors exactly one cycle apart (Frequency = 1/period.)"

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Terry Pinnell
Hobbyist, West Sussex, UK

nah...SuperSpice is much better for this sort of thing.

I'll pop in my usual 10 cents marketing worth:-)

This is such a useful feature that in SS there is direct GUI support for this. You use the transient set-up dialog to select a signal, and a stop and start zero x-ing count, and after each run it will display the frequency in the message bar at the bottom of the main frame. It also does this for rise/fall times, delay from a a reference etc, as well as for rms, rms ripple, averages of a waveform etc. So, you don't need to fiddle with cursors at all. Once its set up, each run will display new measurements with no intervention by the user. There are some examples that demonstrate these features.

AnalogJKDTest.sss - automatic tr, tf, period, width, delay, measurements (Signal Analysis setup)

ColpitsOsc.sss - automatic frequency measurement (Transisent setup)

DCToACPS.sss - automatic rms, rms ripple, average, pk-pk measurements (Signal Analysis setup)

Kevin Aylward snipped-for-privacy@anasoft.co.uk

SuperSpice, a very affordable Mixed-Mode Windows Simulator with Schematic Capture, Waveform Display, FFT's and Filter Design.