Power supply 13.8V and 28V for 100W VHF workplace

A higher voltage than 13.8 V is more suitable for the supply of VHF PA. Power supplies. Power supplies Power supplies. Power supplies 25 watt TCVR and laptop (possibly other devices). Power supplies.

Power supplies, Power supplies. Power supplies. Power supplies.

Toroidal transformer and calculation of filter capacitors

It forms the basis It forms the basis, It forms the basis. It forms the basis, It forms the basis. It forms the basis, It forms the basis. It forms the basis 10 It forms the basis. It forms the basis. It forms the basis, It forms the basis, It forms the basis. It forms the basis, It forms the basis.

Power supply 13.8V

13,8Diagram of 13.8V part of the source 7812 Diagram of 13.8V part of the source. Diagram of 13.8V part of the source. Diagram of 13.8V part of the source, Diagram of 13.8V part of the source. Diagram of 13.8V part of the source, Diagram of 13.8V part of the source. Diagram of 13.8V part of the source.

Diagram of 13.8V part of the source:

R1	1Diagram of 13.8V part of the source
C1, C2	4700Diagram of 13.8V part of the source
C3	100nF
C4	10nF
D1, D2	Diagram of 13.8V part of the source
ZD1	Diagram of 13.8V part of the source
Diagram of 13.8V part of the source	Diagram of 13.8V part of the source
T1, T2	Diagram of 13.8V part of the source (Diagram of 13.8V part of the source)
IO1	7812
TR	230/16,5 V

Fan temperature switch

Diagram of 13.8V part of the source Diagram of 13.8V part of the source, Diagram of 13.8V part of the source, Diagram of 13.8V part of the source, Diagram of 13.8V part of the source. Cooling air can be up to seven times more efficient than radiant cooling. Cooling air can be up to seven times more efficient than radiant cooling. Cooling air can be up to seven times more efficient than radiant cooling, Cooling air can be up to seven times more efficient than radiant cooling, Cooling air can be up to seven times more efficient than radiant cooling. Cooling air can be up to seven times more efficient than radiant cooling.

Cooling air can be up to seven times more efficient than radiant cooling:

R1, R2	1Diagram of 13.8V part of the source
R3	33
Cooling air can be up to seven times more efficient than radiant cooling	2Cooling air can be up to seven times more efficient than radiant cooling
Cooling air can be up to seven times more efficient than radiant cooling	Cooling air can be up to seven times more efficient than radiant cooling
C1, C2	100nF
T	Cooling air can be up to seven times more efficient than radiant cooling
I	741 Cooling air can be up to seven times more efficient than radiant cooling.
Cooling air can be up to seven times more efficient than radiant cooling	7805

Power supply 28V

28Diagram of 13.8V part of the source 7824 Cooling air can be up to seven times more efficient than radiant cooling. Cooling air can be up to seven times more efficient than radiant cooling. Cooling air can be up to seven times more efficient than radiant cooling. There are also blocking capacitors at the output.

There are also blocking capacitors at the output:

R1	2Cooling air can be up to seven times more efficient than radiant cooling
R2	2which we use have this numbering
C1, C2	4700There are also blocking capacitors at the output
C3	100nF
C4	10nF
D1, D2	Diagram of 13.8V part of the source
Diagram of 13.8V part of the source	Diagram of 13.8V part of the source
T1	There are also blocking capacitors at the output
IO1	7824
TR	230/29 V

There are also blocking capacitors at the output, There are also blocking capacitors at the output, There are also blocking capacitors at the output. There are also blocking capacitors at the output. There are also blocking capacitors at the output. There are also blocking capacitors at the output. There are also blocking capacitors at the output. There are also blocking capacitors at the output, There are also blocking capacitors at the output. There are also blocking capacitors at the output.

Mechanical design of the source

There are also blocking capacitors at the output, There are also blocking capacitors at the output. There are also blocking capacitors at the output. However, while small boxes are on the market, However, while small boxes are on the market. However, while small boxes are on the market. However, while small boxes are on the market, However, while small boxes are on the market. However, while small boxes are on the market (š, in, h): 172 x 102 x 210 However, while small boxes are on the market 4 kg.

 

However, while small boxes are on the market. However, while small boxes are on the market, However, while small boxes are on the market.

However, while small boxes are on the market, However, while small boxes are on the market. Two pairs of screw terminals with 13.8V and one pair of identical terminals with 28V fit on the remaining area.. Two pairs of screw terminals with 13.8V and one pair of identical terminals with 28V fit on the remaining area.. Two pairs of screw terminals with 13.8V and one pair of identical terminals with 28V fit on the remaining area..

Two pairs of screw terminals with 13.8V and one pair of identical terminals with 28V fit on the remaining area.. Two pairs of screw terminals with 13.8V and one pair of identical terminals with 28V fit on the remaining area.. Two pairs of screw terminals with 13.8V and one pair of identical terminals with 28V fit on the remaining area., Two pairs of screw terminals with 13.8V and one pair of identical terminals with 28V fit on the remaining area.. Two pairs of screw terminals with 13.8V and one pair of identical terminals with 28V fit on the remaining area.. Two pairs of screw terminals with 13.8V and one pair of identical terminals with 28V fit on the remaining area., Two pairs of screw terminals with 13.8V and one pair of identical terminals with 28V fit on the remaining area.. Two pairs of screw terminals with 13.8V and one pair of identical terminals with 28V fit on the remaining area., Two pairs of screw terminals with 13.8V and one pair of identical terminals with 28V fit on the remaining area..

 

Radiator with fan, Radiator with fan. Radiator with fan, Radiator with fan. Radiator with fan, Radiator with fan, Radiator with fan.

Conclusion

Radiator with fan. I always have a VHF TCVR with a power of 25W connected to it (Radiator with fan. 5W), Radiator with fan. Radiator with fan. Radiator with fan. Radiator with fan “Radiator with fan” for longer FM sessions or MS operation.

for longer FM sessions or MS operation, for longer FM sessions or MS operation.