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Decent modern Signal/waveform Generator here in early 2024

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Aldo22:

--- Quote from: flaotte on March 07, 2024, 10:34:26 am ---and I have to pay VAT so prices are like that:

FY3224S - 74usd
FY6900(60MHz) - 117usd
JDS6600 (60MHz) - 110usd

would be 50 vs 100 we would have a clear winner. I cannot find any decent options below 70usd, unfortunately.

But not adding 40usd for 2x range may be worth it?
going up to 30MHz is very nice for HAM related stuff, but are they good at high end?
which one from the list would work best out of the box?

--- End quote ---

The taxes...  :palm:
In Switzerland, we don't pay taxes for postal import up to CHF 65.
Therefore the FY3224S is tax / duty free and the FY6900 costs about 22.- extra.
So for me it's approx. 50.- vs. approx. 120.-

The FY6900 is certainly better if you don't mind the extra charge.

MegaVolt:
FY3224S 12 bit.
Other 14 bit.

GigaJoe:
FY3224S - I use it for a long time , as some signal source ....  it quite annoying interface where you need to press a single button to switch parameters in a sequence to reach what you need ...  in case - set and forget it acceptable , but when you quite often going to change some output parameters it kind of frustrated ..

so ...   if you need just a signal source ,   to feed something , like trace signal path  that FY32XX acceptable ....  as well you can look at old gens with limit 1-3Mhz local used \ flea market etc. depend on your max MHZ needs...  ;  or if you do TTL for 1-3MHz ...

for a work pattern where you need often change parameters,  jump to there , and there, change this and that .....   unfortunately ,   friendly generators with key pad and dedicated buttons .... only ;   otherwise after some time you will start to kick yourself   




 

Aldo22:

--- Quote from: GigaJoe on April 25, 2024, 02:10:49 am --- otherwise after some time you will start to kick yourself

--- End quote ---

...or you can use presets, the Windows software, or write your own Linux software.

The FY3224S is cheap and serves many purposes. Of course it leaves a lot to be desired, but in combination with other cheap devices it can become a useful hobby equipment for little money.
In my case, for example:
FY3224S: 2 channels, 20Vpp, phase, sweep etc.
Hantek DSO2000 built-in AWG: Adds much better rise times, shorter pulses and AM/FM modulation with selectable waveforms (But only 1ch and limited Vpp).
TinySA: Provides much higher bandwidth (350MHz sine, less stepped signal than 12bit) and AM/FM (stepped sine only, 1ch and very limited Vpp).

You can test and learn a lot with these. All of course only hobby/beginner quality. A "decent" signal generator still costs quite a bit of money.

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