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High Voltage Power Supplies for Radar, EW and Communications

In 1989 we launched the first in a range of ruggedised military power supplies, which could be configured to drive virtually any manufacturer’s TWT. This design was based on innovative switched mode technology, and is at the heart of all TMD’s amplifier and transmitter products.

Our high voltage power supplies offer many features desirable for modern radar and EW applications; high efficiency, ultra low voltage ripple (low noise), high inverter frequencies, ultra low pulse to pulse jitter, low throughput delay and high power density. The units are lightweight and compact with excellent thermal management and the high voltage sections are encapsulated with an oil free, silicone based compound. This provides excellent protection in harsh environments but also enables easy maintenance.

High voltage switched mode power supplies to drive a wide range of microwave tubes for Radar, EW and Communications applications. Special features include:

  • Ultra low phase noise
  • High electrical efficiency
  • Excellent thermal management
  • Innovative design – TMD won a Queen’s Award for Innovation in 2005 Links to Queen’s Awards
  • NEW! Modular capacitor charging power supplies to special order: 20-100 kW (average); 6-65 kV

To download High Voltage Power Supply datasheets, please tick the boxes of the datasheets you would like to download, then enter your details in the form at the bottom of this page.

Type Number D/L
Data-
sheet
Max
Voltage
(V)
PSU Power
Capability
(W)
Pulse
or CW
Pulse
Length
(us)
Prime Power Tube/Gun
Type
Cooling Size LxWxH
(mm)
Weight
(kg)
Application
& Notes
PTM8103 5000 500 PULSE/CW 270 VDC FE Mini TWT Conduction 160 x 250 x 32 2 EW,R,C
PTM6594 6000 1600 CW 280 VDC Diode TWT Conduction 230 x 160 x 135 5 EW
PTM6611 9000 1000 CW 100 VDC Diode TWT Conduction 330 x 178 x 103 7 C
PTM6593 10000 1000 CW 115 VAC, 3-Ph 400 Hz FE TWT Conduction 340 x 120 x 56 4 EW
PTM6259 11000 1500 CW 115 VAC, 3-Ph 400 Hz Grid TWT Conduction 360 x 194 x 103 9.5 EW
PTM6263 15000 1000 PULSE 40 115 VAC, 3-Ph 400 Hz Grid TWT Conduction 360 x 194 x 103 10 RSC
PTM6288 15000 1500 PULSE 50 115 VAC, 3-Ph 400 Hz Grid TWT Conduction 360 x 194 x 103 9 RDC
PTM6688 15000 1500 PULSE 50 115 VAC, 3-Ph 400 Hz Grid TWT Conduction 360 x 194 x 103 9 RTC
PTM6395 15000 1000 PULSE 25 115 VAC, 3-Ph 400 Hz  Grid TWT Conduction 345 x 120 x 56 4 R
PTM6597 15000 1000 PULSE 10 115 VAC, 3-Ph 400 Hz Grid TWT Conduction 308 x 152 x 95 7 EW
PTM7721 15000 1500 PULSE 150 115 VAC, 3-Ph 400 Hz Grid TWT Conduction 440 x 187 x 120 13 ULNR
PTM7599 15000 1500 PULSE 100 115 VAC, 3-Ph 400 Hz Grid TWT Conduction 440 x 187 x 120 13 ULNR
PTM6363 35000 6000 PULSE 120 115 VAC, 3-Ph 400 Hz Grid TWT Conduction 500 x 300 x 300 20 R
PTM9755 35000 6000 PULSE 120 115 VAC, 3-Ph 400 Hz Grid TWT Conduction 500 x 300 x 300 20 R


HVPS - PTM6259
HVPS - PTM6263
HVPS - PTM6288
HVPS - PTM6363
HVPS - PTM6395
HVPS - PTM6593
HVPS - PTM6594
HVPS - PTM6597
HVPS - PTM7599
HVPS - PTM7721-PTX7722
HVPS - PTM8103

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