GeoSat 20W Ka-Band BUC 29.0-31.0GHz

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Product Information

  • Frequency: Ka
  • Output Frequency: 29.0-31.0GHz
  • Tx-Power: 20W
  • Brand: Geosat Microwave
  • SKU: GEO120

Tech Specifications

Datasheet PDF

GeoSat 20W Ka-Band (29.0 ~ 31.0GHz) BUC Block Up-Converter | Model: GB44KAL2931


  • Compact and energy efficient
  • Integrated Multi-Element Redundancy
  • Solid State Reliability
  • Easy System Integration
  • Thermally Efficient
  • Low Thermal Noise
  • Superior Harmonic and Spurious Suppression
  • Frequency agile design covers complete frequency band
  • 3 Year GeoSat Product Warranty
Power Requirement
Voltage 90 - 264VAC @ 50/60 Hz
Power Consumption 540W Prime Power at Maximum Linear Output Power
RF Characteristics
Frequency 29.0 - 31.0 GHz (single model covers frequency range)
Psat 20 Watts ( Typical)
Output Power P-Linear 12 Watts
IF Characteristics
Frequency Range 950-1950 MHz, 1000-2000 MHz
Impedance 50 Ohms
Input VSWR 1.5:1 Max
Input Level -10 dBm Nominal
IF Input N-Female
Reference Input Multiplexed with IF Input
RF Output WR 28
Monitor & Control I/0 RS-485 or Ethernet (SNMP/HTTP)
Ethernet Connector Weatherproof RJ-45
Serial Monitor & Control Connector Mil-Circ- Bayonet
Power Connector Mil-Circ- Bayonet
External Reference
Frequency 10 MHz
Frequency Stability Per Mil-Std-188-115
Input Level -10 to +10 dBm
Transfer Characteristics
Type Single Conversion
Frequency Sense Non-inversion
Gain 60 dB +/-2 dB
Gain Flatness @ Maximum Gain
Over RF Output band: ± 2 dB. Max.
Over any 125 MHz segment: ±0.50 dB Max.
Over any 40 MHz segment: ±0.3 dB Max.
Gain Adjustment Range 30 dB. Min.
Mute -60 dB relative to P-Linear
Gain Variation over operational temp ±2.0 dB max.
Gain Step Size 0.25 dB max.
Group Delay variation 3.5 nsec over 36 MHz Meets Mil-Std 188-164B
Third Order IMD @ P-Linear With two output carriers @ 43dBm total output power: ‐25 dBc referenced to total output power, Max.
Output Noise Density TX -75 dBm/Hz
Output Noise Density in RX Band -157 dBm/Hz
Spurious -60 dBc max.
Harmonics -60 dBc max. measured at P-Linear
Spectral Regrowth -30 dBc at P-Linear, QPSK, 5 Ms/s, Alpha=30% at 1 x symbol rate away from the carrier.
Phase Noise
100Hz -32 dBc/Hz max.
100Hz -63 dBc/Hz max.
1kHz -72 dBc/Hz max.
10kHz -82 dBc/Hz max.
100kHz -92 dBc/Hz max.
1mHz -112 dBc/Hz max.
10mHz -122 dBc/Hz max.
Output VSWR 1.3:1 Max Infinite @ 5 Watts
Max Load VSWR (no damage) Infinite @ 20 Watts Linear Output Power
Operating Temperature Range -40°C to +60°C
Storage Temperature Range -40°C to + 85°C
Humidity 100% Condensing
Altitude 10K ft.
Vibration MIL-STD-810G
Shock MIL-STD-810G
Size (LxWxH): 14.0” x 6.7” x 6.6”
Weight 29 lbs.
FAN Field Replaceable

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