Hi Scott,

Well, the matter is closed for me now, as I have returned the ANAN-7000DLE which I had on loan for testing.

73, Adam VA7OJ/AB4OJ

Hi Scott, In the Quadra, ALC voltage is derived from forward and reflected power. Initially, the user adjusts the ALC menu item in the Quadra such that the output levels off at the design output rating (1kW, or 500W in LOW mode). The next step is to adjust the drive power (exciter output) for a very...

I have a Quadra in my station. Whilst testing various ANAN radios, I have avoided using them as exciters for the Quadra because they are not fitted with an ALC input and I do not feel comfortable operating the Quadra without a properly-connected and calibrated ALC loop. http://www.ab4oj.com/quadra/s...

Hi Gary, You can check by applying a test signal from a source with known low phase noise (e.g. a high-quality crystal oscillator) to the antenna port at about -10 dBm, and then connecting the GPSDO reference. If the noise pedestal on either side of the signal spike widens (on the spectrum scope), t...

I was using an HP Z3805A GPS receiver (which incorporates an HP 11801A OCXO). The Z3805A is my lab standard.

73, Adam VA7OJ/AB4OJ

I am pleased to announce that my comprehensive ANAN-7000DLE Test Report is now also on my website.

http://www.ab4oj.com/sdr/apache/anan7000dle_notes.pdf

73, Adam VA7OJ/AB4OJ