Products > Test Equipment

Fluke 6060A/AN Uncal Error

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philpem:

--- Quote from: davorin on July 01, 2014, 04:49:43 pm ---I must have a self healing version of the Fluke synthesizer....

Now I just let it run for a while and the output looks more cleaner now, though the output is too high as it is set for 1V:

--- End quote ---

Have you got a 50-ohm feedthrough terminator on the output?

Most RF signal generators are designed to output into a 50-ohm load -- if you run them unloaded, the voltage level will be too high and you might see some waveform distortion too.

The Tek AWGs we have at work usually output double the indicated voltage into a Hi-Z load, unless they've been configured for a Hi-Z load (the power-on default seems to be 50 Ohm). I must confess I'm not entirely sure what an RF generator would do as I don't have one to test with.

davorin:
This popped into my mind as well late in the evening (o;

I just connected it to my DSO without any load...and from the peak/peak voltage around close to +/- 3V it makes sense...
1V RMS is +/- 1.41V peak/peak, so doubling that is then +/- 2.82V...

Let's see how long this device runs without showing any more errors (o;

davorin:
Hmm....what type of connector is it anyway?
The manual just mentions a "RF standard connector"....

Only thing I find from local distributor which might match it is a so called UHF connector....

Mr Simpleton:
Even without looking my guess is you have a N-connector at the output!
In a pinch you may temporarely mate the connector using BNC, but it will not stick.

http://www.wa1mba.org/rfconn.htm

davorin:
Ordered some N and BNC connectors...

Hmm...wasn't aware my DSO can do 50Ohm input...

When I let run the 6060A/AN @ 1MHz and 1V output, it displays +/- 2.8V peak/peak with 1MOhn input....
with 50Ohm though only +/- 0.6V peak/peak...

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