MVTU98A

The MVTU98A low-noise high-frequency transistor amplifier unit is designed to replace morally and technically obsolete traveling-wave tubes UV-98A in 9S32 (S-300 air defense missile system).

The module has a built-in protection device to protect against synchronous and nonsynchronous pulse jamming, operating in the restraint mode from both the trigger pulse or “BLANK” pulse, as well as in the self-restraint mode.

The module has a built-in device of time-corrected gain (TCG) for interference suppression from reflecting local objects.

Application of MVTU98А provides:

The module has good maintainability without deterioration of electrical parameters and low repair cost as opposed to traveling wave tubes.

Comparative characteristics of MVTU98A and TWT

Parameters MVTU98А UV-98А traveling
wave tubes
Operating frequency range, GHz
Max. current consumption, mА
Max. pulse input power, kW
Max. output power
(with compression -1 dB), MW
Amplification factor, dB
Noise ratio, dB
Supply voltage, V
Overall dimensions, mm
Weight, kg
8,0-8,83
100
10

20
30±1
<3,5
+27±5
230х50х50
1,6
8,5-8,82
-
-

-
20-30
>7
+300, +6,3
-
6,4

Scope of supply


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