Space Varmint
New Member
Wait a minute. Flat are you looking for these parts? Why don't you get them from either Digi-key or Mouser. Mouser is really cheap on allot of this stuff. Now you will need to go to Amidon for the cores. These will be the inductors if you want to do a limited amounbt of shielding. The donut shaped cores have a self shielding property. You can get away with it to a degree but you will notice if some stages are too close you may have to angle some of the cores. Maybe set them perpendicular to each other to keep down the interaction. Still, shield as much as possible.
Once you get the "Flyer" from Amidon you will see how many windings it will take to make say a 200 micro-Henry inductor and so forth. Trust me, the things are magic!
Where you will still need to always shield are places like in a transmitter, of course you want the frequency oscillator and any buffer stages separate and shielded well so no energy from your amps get back to the oscillator or it will cause "splatter". In the receiver it is necessary to isolate the mixers as much as possible and filters sections.
You could get all the rest of your parts at Mouser who I think is the cheapest but Digi-key is good on allot of parts and they got everything.
Also if you want more specific radio application parts such as RF power amp transistors and high power variable caps, then RF Parts is a very good source and they are great on their prices. You can easily find things like matched pairs of power transistors because they assume part of their business is repair. Final power amps are often of a push-pull variety.
Once you get the "Flyer" from Amidon you will see how many windings it will take to make say a 200 micro-Henry inductor and so forth. Trust me, the things are magic!
Where you will still need to always shield are places like in a transmitter, of course you want the frequency oscillator and any buffer stages separate and shielded well so no energy from your amps get back to the oscillator or it will cause "splatter". In the receiver it is necessary to isolate the mixers as much as possible and filters sections.
You could get all the rest of your parts at Mouser who I think is the cheapest but Digi-key is good on allot of parts and they got everything.
Also if you want more specific radio application parts such as RF power amp transistors and high power variable caps, then RF Parts is a very good source and they are great on their prices. You can easily find things like matched pairs of power transistors because they assume part of their business is repair. Final power amps are often of a push-pull variety.
