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Re: #tinysa What do you use your TinySA for what applications or purposes? #tinysa


 

Hi all,

I use a tinySA ultra as a portable instrument where it is impractical to haul my heavy bench SA. Also have a pair?of tinySA (not ultra) that perform sig gen duty and also a tinyVna repurposed as a tinyPFA for on the spot validation of 10 Mhz references.

As a microwave rover the tools are indispensable. When you are traveling down a dusty road looking for a place where you might be able to work on a falling piece of equipment and not knowing what you are about to find, it¡¯s reassuring that you have these tools with you and they are not taking up much space.?

Typical recent applications:
We just finished building?custom pcbs (design from PA0MHE)?that drive surplus Wavelab ODUs on 24 GHz. Two of these units are fully integrated and on the air following a month of construction. The tinySA ultra saw bench and field?use to validate the two LO frequencies generated by the ATTINY85 on the pcb 1819 & 2220?MHz?as well as the mixer RF?input levels and output levels and frequency (2364 case 144 MHz IF). Careful use of probes is good for a quick check but during construction we used direct attached/soldered sma pigtails for measurement samples and also for signal generator injection (from tinySA).?

Beyond basic checks like above, the instruments are capable of deeper analysis in RF work. Reading recent test processes described?such as the IMD analysis posted in last 24 hours is both interesting and educational.

73,
Jim
KM5PO
President, North Texas Microwave Society




On Thursday, March 2, 2023, 8:34 AM, PDXer <budkor22@...> wrote:

1. I have got a TinySA initially for building a HF receiver.? I thought it can be used for sniffing the IF oscillators and crystals with the probes for RF and possibly tells what the frequency is and what sort of output power is oscillating from them.

2. Sometimes, I try to check RF sources in the house for detecting any stray or mysterious RFs floating around.? So far my TinySA detected 1x RF source at 225 Mhz, and it seems coming from the outside across the main road, in some garage, or next door neighbors house.

3. And I used the TinySA as a signal generator, and seen the sine waves in my handheld oscilloscope.

So what do you yours for most, and what other purposes? And how do you feel about the device? Is it still a good device good value for money in your opinion?

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