40 W Solid State BUC
CPI-Built RF Brick Inside
With CPI-Built RF brick inside and plenty of thermal
margin, this SSPB is rock-solid and highly efficient.
High Linearity
Excellent AM/PM, phase noise and spectral
regrowth performance.
Simple to Operate
User-friendly, microprocessor-controlled serial interface
with basic Ethernet interface (advanced Ethernet interface
optional). Also contains digitally controlled attenuator.
Redundant systems available
Model B3UO-2H
40 watt Ku-Band BUC
for satellite uplink applications
•External multiplexed 10 MHz reference
•External harmonic filter
Extended Band Operation
Depending on chosen output power option, provides 40 or
watts of P1dB output power at the flange over the entire
13.75 to 14.50 GHz frequency range.
Global Applications
Perfect for Satcom-on-the-Move, micro flyaway systems,
VSATs, and antenna-mount applications. Meets
Electromagnetic Compatibility Directive 2004/108/EC to
satisfy worldwide requirements and is CE-marked.
Worldwide Support
Backed by over 35 years of satellite communications
experience, and CPI’s worldwide 24-hour customer
support network that includes more than 20 regional
factory service centers.
811 Hansen Way, PO Box 51625
Palo Alto, CA 94303 USA
+1 (650) 846-3803
+1 (650) 424-1744
Specifications 40 W Solid State BUC
Model Number
50 W (47.0 dBm) Psat
40 W (46.0 dBm) P1dB
Power Rating
RF Output Frequency Range (GHz)
Input Frequency Range (MHz)
LO Frequency (MHz)
14.00 to 14.50
13.75 to 14.50
950 to 1450
950 to 1700
Internal 10 MHz reference
Auto or software select
BUC Stability with internal reference
±1 ppm within operating temperature range
Small Signal Gain
70 dB min.
Gain Stability
Over temp, constant drive
Over 24 hours, fixed temp.
±2.0 dB over operating temperature range
±0.25 dB
Gain Slope
±0.04 dB/MHz max.
Small Signal Gain Variation
Across any 80 MHz band
Across the full band
±0.85 dB pk-pk max.
±1.25 dB pk-pk max.
Gain Adjustment Range
20 dB
Input VSWR
Output VSWR
1.5:1 max. (50 Ω)
1.3:1 max. (50 Ω) with external waveguide oscillator
∞:1 continuous operation, 1.5:1 full spec. compliance
Residual AM, max.
-80 dBc at > 100 kHz from carrier
Phase Noise, max.
-63 dBc/Hz at 100 Hz, -73 dBc/Hz at 1 kHz, -83 dBc/Hz at 10 kHz,
-93 dBc/Hz at 100 kHz, -103 dBc/Hz at 1 MHz
AM/PM Conversion
Harmonic Output
2.5°/dB max. for a single carrier at 2.5 dB backoff from rated P1dB
-40 dBc max. at rated P1dB (-60 dB max. with external filter)
Spurious Response at P1dB
Noise Power Density
Intermodulation Distortion
Group Delay
-60 dBc max. in band
<-150 dBW/4 kHz, receive band with external filter;
<-70 dBW/4 kHz, passband
-25 dBc max. with respect to each of two equal carriers and 5 MHz apart at 3.0 dB total backoff from rated P1dB
0.03 ns/MHz linear max; 0.01 ns/MHz2 parabolic max; 1.0 ns pk-pk ripple max.
Primary Power
24 or 48 volts DC ±20%
Power Consumption
Remote Status
Ambient Temperature
400 W max.
Transmit ON/OFF, Fault Reset, Attenuator Setting
-40°C to +55°C operating in direct sunlight (to 60°C out of direct sunlight), -50°C to +85°C non-operating
Relative Humidity
100% condensing
12,000 ft. with standard adiabatic derating of 2°C/1000 ft. operating; 50,000 ft. non-operating
Shock and Vibration
RF Output Connection
Integral forced air
20 g peak, 11 msec, 1/2 sine; 2.1 grms, 50 to 500 Hz
WR-75 waveguide flange, grooved, with UNC 2B 6-32 threaded holes
L-Band Input Connection
Power In and M&C Connection
Type N Female
Circular 32-pin MS3112E18-32F (power and M&C IP67)
Dimensions (w x l x h)
5.25” x 13.8” x 4.5” (134 x 351 x 115 mm)
10.9 lbs (4.96 kg) typ.
Quality Management
System - ISO 9001:2008
For more detailed information, please refer to the corresponding CPI technical description if one has been
published, or contact CPI. Specifications may change without notice as a result of additional data or product
refinement. Please contact CPI before using this information for system design.
MKT 321C, ISSUE 9 dated DEC 2015