• Home
  • Comtech EF Data KST-2000A/B Ku-Band Transceiver




Comtech EF Data KST-2000A/B Ku-Band Transceiver

(0) No Reviews yet
  • Feedhorn mounted SSPA to 8W
  • Light weight units
  • Modular construction
  • Built-in redundancy controller


SKU: SATRES-4597

Converter Transmit Characteristics
Output Frequency13.75 to 14.5 GHz, in 1.0 MHz steps
Input Frequency50 to 90 MHz (100 to 180 MHz optional)
Input Power Level-25 to -45 dBm operational

-10 dBm survival
Gain42 dB nominal at mid-range

user attenuator setting
Gain Variation with Frequency:

  ± 20 MHz

  Entire Band



2 dB peak to peak

3 dB peak to peak
Gain Stability at any Single Frequency4 dB peak to peak
User Attenuator Range0 to 20 dB, in 1 dB steps
Power Output at 1dB Compression+15 dBm minimum
Transmit Phase NoiseExceeds requirements of IESS 308/309
Converter Receive Characteristics
Input Frequency10.95 to 12.75 GHz, in 1.0 MHz steps
Output Frequency50 to 90 MHz (100 to 180 MHz optional)
Gain45 dB minimum @ 0 dB attenuator setting
User Attenuator Range0 to 20 dB, in 1 dB steps
Gain Variation with FrequencyAt a fixed temperature
Any 40 MHz Band2.0 dB peak to peak
Entire Operating Band3.0 dB peak to peak
Power Output @ 1 dB Compression+16 dBm minimum
Power Output Stability over Temp.4.0 dB peak to peak at a fixed frequency
Phase NoiseExceeds requirements of IESS 308/309
Spurious Signals:

  Signal Related


-50 dBc at -5 dBm output

-35 dBc at <250 kHz from carrier
Spurious Signals:

  Non Signal Related


87 dBm max. referred to converter input
Third Order Products-33 dBc for two carriers each at +6 dBm
Auxiliary Output Monitor:

  Frequency

  Gain

  Connector


950 to 1700 MHz

20 dB relative to the carrier input

Type N female, 50 Ohms
LNA Noise Temperature Option110 or 85° K
LNA Gain Option50 or 60 dB
General Converter Characteristics
Prime Power85 to 264 VAC, 47 to 63 Hz, <200W
Frequency Stability1.5 x 10-9 / 24 hrs

1 x 10-8 / Rated Temp
Serial Data Interface,EIA-232
User-SelectableEIA-485, half duplex

EIA-422, half duplex
Serial Data Baud Rate,300, 600, 1200, 2400, 9600, 19200
Discrete Alarm Outputs:

  Uplink Summary Alarm

  Downlink Summary Alarm

  System Summary Alarm


Form "C" relay contacts

Form "C" relay contacts

Form "C" relay contacts
LED External IndicatorsPrime Power On/Tx RF On
IF Input/Output ConnectorsType N female, 50 Ohms
Tx Output/Rx Input ConnectorsType N female, 50 Ohms
Size21.75 H x 8.25 W x 8.0 D inch

(55.2 H x 21 W x 20.3 D cm)
Weight35 lbs (16 kg)
Environmental (Convection Cooled):

  Temperature


-40 to +55° C operational

-50 to +75° C storage
Humidity0 to 100% RH
General SSPA Characteristics for ≤40W
Frequency Range

Power Output at 1 dB Compression, at 25° C
13.75 to 14.5 GHz

+33 dBm for 2W unit

+36 kBm for 4W unit

+39 dBm for 8W unit

+42 dBm for 16W unit

+44 dBm for 25W unit

+45 dBm for 32W unit

+46 dBm for 40W unit
14.0 to 14.5 GHz

+33 dBm for 2W unit

+36 dBm for 4W unit

+39 dBm for 8W unit

+42 dBm for 16W unit

+44 dBm for 25W unit

+45 dBm for 32W unit

+46 dBm for 40W unit
Third Order Intercept Point
+41 dBm for 2W unit

+44 dBm for 4W unit

+47 dBm for 8W unit

+50 dBm for 16W unit

+52 dBm for 25W unit

+53 dBm for 32W unit

+54 dBm for 40W unit
+41 dBm for 2W unit

+44 dBm for 4W unit

+47 dBm for 8W unit

+50 dBm for 16W unit

+52 dBm for 25W unit

+53 dBm for 32W unit

+54 dBm for 40W unit
Gain (Nominal)
+27 dB for 2W unit

+30 dB for 4W unit

+33 dB for 8W unit

+36 dB for 16W unit

+38 dB for 25W unit

+41 dB for 32W unit

+44 dB for 40W unit
+27 dB for 2W unit

+30 dB for 4W unit

+33 dB for 8W unit

+36 dB for 16W unit

+38 dB for 25W unit

+41 dB for 32W unit

+44 dB for 40W unit
Gain Variation Over Frequency2.0 dB peak to peak at 257deg; C
Input ConnectorType N female, 50 ohms
Output ConnectorWR-75 waveguide flange
Input Power+9.75 VDC from converter for 2, 4, and 8W units

85 to 264 VAC, 47 to 63 Hz for 16, 25 , 32W, 40W units

16w

25w

32W

40W
180W

360W

380W

390W
SSPA CHARACTERISTICS FOR ≤80W Note: 80W SSPA operates only with 220V AC source.
Frequency Range14.0 to 14.5 GHz
Minimum Power Output (P1dB)+48 dBm for 80W
Third Order Intermodulation

At 3 dB backoff from P1dB
-20 dBc max for 80W
Gain (Nominal)60 dB for 80W
Gain Variation over Temperature± 1.5 dB for 80W
Gain Variation over 500 MHz2.0 dB p-p
Input Power 110/220 VAC1200W for 80W
System Transmit Characteristics With Comtech EF Data SSPA For ≤40W
Gain Stability over Temperature, AGC on,3.0 dB peak to peak maximum
Fixed Frequency2.0 dB peak to peak typical
Gain Variation with Frequency:

± 20 MHz

Entire Band


2.0 dB peak to peak

3.0 dB peak to peak
Spurious Signals:

  Signal Related

  < 250 kHz


-50 dBc at 6 dB below P1 dB

-35 dBc at 6 dB below P1 dB
Spurious Signals:

  Non-signal Related
-51 dBm / 4kHz without SSPA

-24 dBm / 4kHz for 2W unit

-21 dBm / 4kHz for 4W unit

-18 dBm / 4kHz for 8W unit

-15 dBm / 4kHz for 16W unit

-13 dBm / 4kHz for 25W unit

-13 dBm / 4kHz for 32W unit

-12 dBm / 4kHz for 40W unit

Ratings & Reviews

No reviews available

Be the first to Write a Review