Quote:
Originally Posted by davidgem1406
Also at the 100MHz it is sometimes difficult to obtain that, and when we do get the 100MHz it is past the 100MHz marker point on the scale.
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I think you are being over-expectant of what is (as has been said) a better quality 'repair bench' grade instrument. Most of these were used for aligning domestic AM radio's and TV's..... don't need much higher than about 45Mhz at the most. You'll find that from around 150Khz through to about 50Mhz, they are fine. The only real problem I found was getting frequencies of 38.15Mhz accurately....I fitted mine with an external frequency counter so that I can...the actual scale reading is superfluous other than as a rough guide. However it is surprisingly accurate until you get higher up the scale. I used a cheap Chinese counter around £10 from eBay. Only lashed up at the moment so I need to find a box and build it properly.