Terrasat 5W to 80W GaAs, C-Band BUC

Input Characteristics:

• Impedance: 50 Ohms
• VSWR: 1.5:1
• Connector Type: Standard: Type N Female; Options: Type F (75 Ohm), TNC (50 Ohm)
• Input Power Detection: Standard Range: -55 to -20 dBm; Optional Range: -35 to 0 dBm

Gain Details:

• Small Signal Gain (L-band to RF) with 0 dB Attenuation:
  

  Power Output	Standard Version	WGS Version
  5W	68 dB min	57 dB min
  10W	71 dB min	60 dB min
  15W	72.8 dB min	61.8 dB min
  20W	74 dB min	63 dB min
  25W	75 dB min	64 dB min
  30W	75.8 dB min	64.8 dB min
  40W	77 dB min	66 dB min
  50W	78 dB min	67 dB min
  60W	79 dB min	68 dB min
  80W	80 dB min	69 dB min

• Attenuation Range: 30 dB adjustable in 0.1 dB steps
• Gain Flatness:
  

  Band	Full Band	Over 36 MHz	Over 1 MHz
  1/2/3	3 dB p-p max	1 dB p-p max	0.25 dB p-p max
  4/5	4 dB p-p max	1.5 dB p-p max	0.25 dB p-p max

• Temperature-Related Gain Variation:
  

  Band	Open Loop	With AGC
  1/2/3	3 dB p-p max	1 dB p-p max
  4/5	4 dB p-p max	1 dB p-p max

Output Specifications:

• Interface: CPR-137G or N(f)
• VSWR: 1.5:1 max
• Output Power at P1dB:
  

  Power Rating	Output Power (dBm)
  5W	+37 min
  10W	+40 min
  15W	+41.8 min
  20W	+43 min
  25W	+44 min
  30W	+44.8 min
  40W	+46 min
  50W	+47 min
  60W	+47.8 min
  80W	+49 min

  Note: For 40W and above, output power in Bands 4 & 5 is reduced by 0.5 dB.

• Intermodulation Distortion (IMD3): -26 dBc max (with two carriers, 3 dB total output back-off)
• Level Stability with Automatic Level Control (ALC): ±0.5 dB
• Output Power Detection Range: From rated power to -20 dB
• Power Reading Accuracy: ±1.0 dB max
• Spurious Emissions:
  • In-Band: -65 dBc
  • Out-of-Band: Complies with EN 301 443 & MIL STD 188-164C
• Harmonics: -50 dBc max
• Output Noise Power Density:
  • Transmit Band: < -78 dBm/Hz
  • Receive Band: < -145 dBm/Hz

Phase Noise Performance:

• Single Side Band (SSB) Phase Noise:
  

  Offset Frequency	External Reference	IBUC 2
  10 Hz	-115 dBc/Hz	-54 dBc/Hz
  100 Hz	-140 dBc/Hz	-79 dBc/Hz
  1 kHz	-150 dBc/Hz	-89 dBc/Hz
  10 kHz	-155 dBc/Hz	-94 dBc/Hz
  100 kHz	N/A	-100 dBc/Hz
  1 MHz	N/A	-110 dBc/Hz

• External Reference (Multiplexed on TX IFL):
  • Frequency: 10 MHz
  • Level: -12 to +5 dBm