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MCL MT4000 TWTA Medium Power Traveling Wave Tube Amplifier

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  • Field replaceable modules
  • Exceptional Phase Noise
  • Ducted Forced Air Cooling
  • Programmable Alarms


SKU: SATRES-6697

Electrical Specifications
Frequency Range (Standard):

  C-Band

  Ku-Band

  DBS-Band


5.850 - 6.425 GHz

13.75 - 14.5 GHz

17.3 - 18.4 GHz
Frequency Range (Extended):

  C-Band

  Ku-Band

  DBS-Band
5.850 - 7.10 GHz, 5.850 - 6.75 GHz

12.75 - 14.5 GHz

Output Power (min.)Tube Output Flange:

  C-Band

  Ku-Band

  DBS-Band


750 W (58.75 dBm)

750 W (58.75 dBm)

500 W (57 dBm)
Output Power (min.)HPA Rated Output:

  C-Band

  Ku-Band

  DBS-Band


665 W (58.25 dBm)

665 W (58.25 dBm)

420 W (56.23 dBm)
Gain At Rated Power (min.):

  C-Band

  Ku-Band

  DBS-Band


72 dB

72 dB

65 dB
Small Signal Gain (SSG)(min.):

  C-Band

  Ku-Band

  DBS-Band


77 dB

77 dB

71 dB
Attenuation Range:

  C-Band

  Ku-Band

  DBS-Band


30 dB (0.10 Inc.)

30 dB (0.10 Inc.)

30 dB (0.10 Inc.)
Maximum SSG Variation Over Narrow Band:

  C-Band

  Ku-Band

  DBS-Band


0.5 dB/40 MHz

1.0 dB/80 MHz

1.0 dB/80 MHz
Maximum SSG Variation Over Per 500 MHz:

  C-Band

  Ku-Band

  DBS-Band


2.5 dB

2.5 dB

4.0 dB
Gain (Slope, Max.):

  C-Band

  Ku-Band

  DBS-Band


±0.04 dB/MHz

±0.04 dB/MHz

±0.04 dB/MHz
Gain Stability:±0.25 dB/24 hr. max.

(constant drive, line voltage and temp.)
Stability, Any Freq. Over Entire Temp.:±1.0 dB typ.
Stability, Any Freq. ±10°C:±0.75 dB max.
Input VSWR:1.20:1 max. with respect to 50 Ohms
Output VSWR:1.25:1 max.
Load VSWR:2.0:1 max. without damage, continuous

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