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Old 13th Apr 2021, 10:58 pm   #23
ortek_service
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Join Date: May 2018
Location: Northampton, Northamptonshire, UK.
Posts: 1,394
Default Re: Which signal generator?

Regarding the function generators choice, I have used quite a bit of TTI equipment - especially their bench PSU's that are amongst the most popular - and have generally been happy with most of this considering their relatively low cost. It does seem they are UK-based/designed and manufactured in the EU, and the company has effectively been around under slight name variances since the 1970's.
Being a much newer model than the HP one, it would probably be easier to get spares and may still be supported, whereas the as HP one is very old now, so could have much more wear on the controls / parts hard to obtain. Although there older models do have full service manual info easily available and will be much more solidly-built than more recent mainly plastic-cased ones, with even Tektronix making their very expensive 'scopes in China.

However, whilst the TTI one has a digital readout of Freq. / Amplitude & DC Offset, and a 1000:1 sweep range, the HP ones has much better modulation facilities including FM capability and a choice of modulating-waveforms plus a widely-variable internal modulating frequency rather than a single fixed one. As well as the RF going to a much higher frequency.
So the HP one likely to be of much wider use.
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