If I'm not wrong I haven't yet read that the HP209A has a 600 Ohm output impedance. But if you are working with flying wires signal levels are undefinided and not so important.?
-------- Messaggio originale --------
Da: "Bob Ecclestone via groups.io" <becclest@...>
Data: 23/05/25 15:50 (GMT+01:00)
Oggetto: Re: [tinysa] TinySA Ultra 50 Khz as a signal generator
The HP209A frequency range is 10Hz-2MHz. So 50KHz is within its range.
Bob...VK2ZRE
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On 23/05/2025 11:24 pm, G8HUL via groups.io wrote:
> The 209A should do 50kHz with no problem!
> Is 50kHz audio or rf? Depends on your point of view, or whether you are a bat or not. (:-))
>
> 73
> Jeff G8HUL
>
> ________________________________________
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[email protected]> on behalf of David AD4TJ via groups.io <ad4tj@...>
> Sent: Friday, May 23, 2025 13:35
> To:
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> Subject: Re: [tinysa] TinySA Ultra 50 Khz as a signal generator
>
> Coming in late to this subject. The 209A is an AUDIO Oscillator; the Ultra is an RF device. So the Ultra won't see any indication. Is this not correct? David AD4TJOn Friday, May 23, 2025 at 06:58:19 AM EDT, Donald Kirk via groups.io <wd8dsb@...> wrote: As Jeff mentioned it sure sounds like the output level of your HP209A was set too high, whereas you saw nothing when you used the TinySA Ultra. ?I did a Quick Look in the manual you attached and see no mention on what signal level you should be injecting with the signal generator (but maybe I just missed that information) so it¡¯s very possible you injected too small of a signal with the TinySA Ultra, and too large of a signal with the HP208A.What signal level do you think you need to inject for your test, this is important information.?Don
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