Heathkit RF-1

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Mike H
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#16 Re: Heathkit RF-1

Post by Mike H »

100 kHz without the modulation:
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RF1_2315.jpg
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1 Mhz:
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RF1_2316.jpg
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FM IF anyone? 10.7 MHz:
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RF1_2317.jpg
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"No matter how fast light travels it finds that the darkness has always got there first, and is waiting for it."
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Mike H
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#17 Re: Heathkit RF-1

Post by Mike H »

100 MHz! Image
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RF1_2318.jpg
 
"No matter how fast light travels it finds that the darkness has always got there first, and is waiting for it."
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IslandPink
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#18 Re: Heathkit RF-1

Post by IslandPink »

Phwoar !
Good effort . Ready to torture anything you can lay your hands on ? :D
"Once you find out ... the Circumstances ; then you can go out"
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Mike H
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#19 Re: Heathkit RF-1

Post by Mike H »

Yups. :thumbleft:

I have long-standing back-burner project to make a valve FM tuner from scratch. Now I've got some chance of actually being able to make and look at signals.


Today I cobbled together a better way of getting 120V mains, I was using a small cheap auto-transformer, OK but starts overheating and buzzing after an hour or so. Well some years ago I had Danbury make up a 100VA isolation transformer with centre-tapped 240V secondary, well in fact, 2 x 120V; originally I used this to supply shed lighting but still got it in its plastic case, so I wanged in a US mains socket so now got a 120VAC supply.
 
"No matter how fast light travels it finds that the darkness has always got there first, and is waiting for it."
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