Paraset Power Supply

The power supply delivers 6 vac and 350vdc.

Paraset power supply. With new rubberbands it s fit for fight. A test with a 15w 230v lamp. It s not easy to find vibrators today. A 5y3 gt or a pair of 1n1007 silicon diodes if desired is used as the full wave rectifier.

This one was very noisy so i opened it. The output is smoothed by a pair of filter capacitors and a filter choke. The homebrew power supply built for the project was only able to provide 295 volts which is a little less than desirable but enough to provide a solid 5 watts of qrp output from the 6v6 power oscillator. It is built on a small bread pan i use these to sort small.

The b power supply uses the standard full wave center tapped configuration. Power supply for mk vii this forum is all about building and using world war ii spy radio equipment in particular the whaddon mk vii paraset. The rubber bands who kept the chassie in the holder had vanished. The voltage parameters measured on the receiver section are shown below.

A series dropping resistor drops the output of the supply to 250v. The arrows show in which direction the anker swings. I decided to use 12v to my paraset. The power supply is very compact in a great box.

Consisting of transformer rectifier tube 6x5gt and a capacitor. This is the power supply i use with the paraset replica. The transmitter has the paraset style parallel series tuned tank circuit and seems to load well even with a random length wire antenna. It has 2 of the 12ba6 tubes for the regen radio and 2 of 12aq5 s for the little cw transmitter.

This power supply is also used with other projects as a utility power supplly. The power supply is also tested september 15 1953 the power supply is very simple.