For additional information on CPI MPP products contact:

CPI MPP, Helix TWT Operation - 811 Hansen Way, Palo Alto, CA 94303-0750

VTA-6193A4 is 40 W, CW and Pulsed Helix TWT, 26.50 GHz to 40.00 GHz, Periodic-

Permanent, Magnet Focused, Waveguide Input, Waveguide Output, and Conduction

Custom configurations are also available. These variations in the performance and

configuration include: mechanical configuration, electrical and RF connections, & dual

stage depressed collector.

The values listed above represent specified limits for the product and are subject to change. The data should be used

for basic information only. Formal, controlled specifications may be obtained from CPI for use in equipment design.

Features

•

40 Watts

•

PPM Focusing

•

Coaxial Input

•

Waveguide Input and

Waveguide Output

•

Any Mounting Position

•

Weight: 7 lbs. max

•

Conduction Cooled

Operating Parameters

Heater

Voltage

Heater

Current

Heater

Surge

Voltage

Helix

Voltage

Helix

Current

Beam

Current

Focus

Voltage

(ON)

Parameters:

Ef

If

If (peak)

Ew

Iw

Ik

ec

Units:

Vdc

A

A

kVdc

mA

mA

V

Maximum:

6.6

1.5

3.0

13.2

4.0

110

-2

Minimum:

6.0

0.8

- - -

11.5

- - -

60

-50

Typical:

6.3

1.1

<3.0

12.6

<0.5

85

-45

Focus

Voltage

(OFF)

Collector

Voltage

Collector

Current

Anode

Voltage

Anode

Current

Heater

Warm-up

Time

Load

VSWR

Parameters:

Ec

Eb

Ib

Ea

Ia

tk

ratio

Units:

V

kVdc

mAdc

V (wrt Gnd)

mA

minutes

Maximum:

-800

49% of Ew

110

+500

1.0

- - -

1.7:1

Minimum:

-1000

41% of Ew

- - -

+0

- - -

5

- - -

Typical:

-850

45% of Ew

85

+200

0

5

1.25

Model Number

Frequency

Power Output

(GHz)

(Min.)

VTA-6193A4

26.5 - 40.0

40 W

VTA-6193A4X

26.5 - 40.0

40 W