Products > Test Equipment
WB-SG1 wide band generator
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g4dbn:
My google-fu was not up to standard, thanks v much for the copy of the manual.  I want to try it for checking the return loss and tuning of some 3.4 and 5.7 GHz feedhorns, using directional couplers, so the absolute level isn't critical.  I'll be using a specan as the detector, so I'm not worried about harmonics and far-out spurs confusing matters.  It'a a whole lot easier than using a set of YTOs.  Might even be enough signal to use the second harmonic to check the SMA-WR90 transitions I'm machining today.
TVM Neil
noreply:

--- Quote from: g4dbn on September 09, 2020, 05:10:38 pm ---My google-fu was not up to standard, thanks v much for the copy of the manual.  I want to try it for checking the return loss and tuning of some 3.4 and 5.7 GHz feedhorns, using directional couplers, so the absolute level isn't critical.  I'll be using a specan as the detector, so I'm not worried about harmonics and far-out spurs confusing matters.  It'a a whole lot easier than using a set of YTOs.  Might even be enough signal to use the second harmonic to check the SMA-WR90 transitions I'm machining today.
TVM Neil

--- End quote ---

Sounds good.

The WB-SG1 does produce a signal on frequency, but since it has an external 10MHz input, if you use a 10MHz GPSDO - then you will be 'spot-on' frequency if that's important to you when aligning feedhorns or any associated filters.
Kibabalu:

--- Quote from: g4dbn on August 27, 2020, 04:17:04 pm ---Has anyone found if there are commands which the WB-SG1 will interpret?  At boot time it shows:

WB-SG1
1Hz-8GHz
SIGNAL GENERATOR
CH1:1Hz-200M CH2:35M-8G
BG7TBL V20191203

but despite trying to fuzz it and lots of keyboard mashing, I couldn't get it to respond at all via the serial/USB.

I can set the frequency via the front panel at up to about 8.7 GHz as you'd expect, but it seems to go a bit flaky at certain frequencies above 8.5 GHz.

This little box could be quite useful with a levelling amplifier and programmable attenuator and filters and a proper decent interface and a proper modulator, but I'm not scrapping my HP E4421B yet.

Neil

--- End quote ---

I also failed to establish any kind of communication with the WB-SG1 via USB/serial. What's the trick?
hpw:

 :horse: how this signal generator performs in terms of PN.... low freq. range and on 10MHz?
videobruce:
Is there a actual manual of the original device in the 1st few posts, NOT the TI device which only has a engineering/builders manual?
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