Norsat ATOMBKU025

Ku-Band 25W BUC

Power Output (P1dB): 25W

Conversion Gain: 60 dB

Size: 6.5 x 3.2 x 6.1 inches

Weight: 5.0 LBS


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Compared to equivalent products, ATOM series BUCs are:

• Up to 68% smaller and lighter

• Up to 60% more power efficient

• More flexible with RF and configuration options

The Norsat ATOM series of block upconverters (BUC) are among the smallest, lightest, and most energy efficient transmitters available. The high efficiency of ATOM reduces power consumption significantly, delivering considerable operational cost savings over the lifetime of the device.



The following items are standard: White paint, N-Type input connector, WR-75 waveguide output, Fan cooling, DC Power.

Available options include: Baseplate Cooling, Surge + Protect Filter, SMA Input Connector, WR-62 Waveguide Output.

Accessories: Power supply, Bracket, Waveguides, Cables, Adaptors

Transmit Frequency
13.75 - 14.50 GHz
Transmit Frequency
14.00 - 14.50 GHz
Input Frequency
950 - 1450 MHz
Input Frequency
950 - 1700 MHz
LO Frequency
12.80 GHz
LO Frequency
13.05 GHz
Noise Temperature
15 dB
Power Output
Gain Variation
2 dB max p-p over any 40 MHz
Gain Variation
6 dB max p-p over operating band
Gain Variation
3 dB max p-p over temperature
Phase Noise
-72 dBc/Hz @ 1kHz
Phase Noise
-92 dBc/Hz @ 100kHz
Phase Noise
-82 dBc/Hz @ 10kHz
Phase Noise
-102 dBc/Hz @ 1MHz
Fwd Monitor (15 dB Range) @ CF
±1.0 dB
Input VSWR
Output VSWR
Spurious @ rated power
-55 dBc
AM/PM Conversion
2.5°/dB at 2dB below rated power
2nd Harmonic
-45 dBc@ 3dB below rated power
Operating Temperature
(with fans): -40 to +60°C (-40° to +140°F)
Storage Temperature
-54 to +80°C (-65° to + 176°F)
Enclosed Accessories
Screws, gasket, M&C mating connector, power mating connector
RF Input Connector: N type
RF Output Connector: WR-75 (WR-62 above 15 GHz)
Monitor & Control
M&C Interface: RS-232 & RS-485
Monitor & Control
Mute Control: Fully configurable (mute enable: high or low, mute default: enabled or disabled); Low: 0.0-0.8V; High: 3.0-5.0V
Monitor & Control
M&C Connector: MIL-26482 Series 1 Receptacle, Shell Size 12, 10 Pins
Monitor & Control
Thermal Shutdown Temperature: 90°C (Accuracy ± 3°C)
Input Voltage
20 - 56 VDC
Power Consumption with fans
115W @ Quiescent (no signal input)
Power Consumption with fans
126W @ 3dB backoff from P1dB
Power Consumption with fans
20W muted
Power Consumption with fans
165W @ Psat (Typical)
Power Connector
MIL-26482 Series 1 receptacle Shell size 12, 4 pins
6.5 x 3.2 x 6.1 inches
2.3 kg (5.0 lbs)

Specific References