19-07-2017, 05:51 PM
Some photos of what to look for at field days or on ebay etc.
The 2 sources on the right hand side are commercial, while the top left is one i completely home made and the lower left one is a kit.
source on the top right is waveguide output. i have just added a transition onto the output for testing purposes.
The other pictures are of an old valve source from the 50's and a closeup of the home made one, proving they can be easily made with dremel and handsoldering
. Yeh its a bit dodgy, 28 volts comes in from the right and noise comes out of the sma on the left. But it works and its a plug and pray replacement for the nice HP noise source in the first photo - lower right.
73 Dave vk2jds
The 2 sources on the right hand side are commercial, while the top left is one i completely home made and the lower left one is a kit.
source on the top right is waveguide output. i have just added a transition onto the output for testing purposes.
The other pictures are of an old valve source from the 50's and a closeup of the home made one, proving they can be easily made with dremel and handsoldering
. Yeh its a bit dodgy, 28 volts comes in from the right and noise comes out of the sma on the left. But it works and its a plug and pray replacement for the nice HP noise source in the first photo - lower right.73 Dave vk2jds