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September 4, 2025 Newsletter - SatNow

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Weekly Edition
Date: September 4, 2025
 
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Featured Space and Satellite Products
Space Qualified Circulator
1-2 GHz Three-Port Double-Ridged Coax Circulators
Space Qualified Circulator  from Scientific Microwave Corporation

The 1-2 GHz Circulator from Scientific Microwave Corporation is a 3-Port Circulator that operates from 1 to 2 GHz. It has an insertion loss of 0.6 dB and provides an isolation of 14 dB. This circulator can handle a peak input power of up to 20 kW and has a VSWR of 1.5:1. It is available in a metallic enclosure that measures 29.88 x 25.89 inches and has N-Type (Female) connectors. This double-ridged circulator has high-power handling for average and peak powers.
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Spacecraft Thruster
Bipropellant Thruster for Attitude In-orbit Applications
Spacecraft Thruster  from AAC Clyde Space

The PM200 from AAC Clyde Space is a Bipropellant Thruster that has a thrust of 0.5 N and a specific impulse of 285 sec. This thruster can be used in 3-6U CubeSats and supports I2C, RS-422, and RS-485 interfaces. It features low system complexity and zero propellant toxicity, which allows for simple and robust operations, both on the ground and when in orbit. It has a mass of 1.1 Kg and measures 97.7 x 95.4 x 95.4 mm.
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Space Qualified Solid State Relay
26.5 V DPDT Full Size General Purpose Signal Relay
Space Qualified Solid State Relay  from TE Connectivity

The B07D111BC4-0006 from TE Connectivity is a Space Qualified General Purpose Power Relay that operates with a coil voltage rating of 26.5 VDC and has a maximum coil power of 2.341 W. It has a non-polarized monostable coil magnetic system with a coil resistance of 300 ohms and has a contact rating of 10 A. The relay is hermetically sealed and has a configuration feature of a 2 Form C DPDT-CO contact arrangement.
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Magnetorquer
Magnetorquer for Nanosatellites
Magnetorquer  from CubeSpace

The CubeTorquer Gen 1 from CubeSpace is a nanosatellite magnetic torquer designed for detumbling, coarse attitude adjustment, and reaction wheel desaturation. It has magnetic moments ranging from ±0.24-1.90 Am² and a magnetic gain up to 25 Am²/A and a linearity of 97.5%. It utilizes a specially treated ferrous core with ultra-low remanence and high linearity, enabling precise magnetic control in nanosatellites. The CubeTorquer has a resistance of 29-66 ohms.
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Space Transmitter
Dual Channel DVB-S2 X-Band Transmitter for LEO Spacecraft
Space Transmitter  from Dragonfly Aerospace

The HDRTx-3 from Dragonfly Aerospace is a dual-channel X-band transmitter tailored for micro and mini satellites in low Earth orbit. Featuring advanced DVB-S2 encoding, it maximizes data throughput, with each channel supporting symbol rates of up to 300 Msps for reliable, high-performance communication in space missions. Available exclusively as part of our spacecraft system solutions.
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GNSS Receiver
GNSS Receiver for Radar and Communication Systems
GNSS Receiver  from ReliaSat

The W-x8RX-SM-9296 from ReliaSat is a GNSS Receiver with an RF frequency range of 92-96 GHz and an IF frequency range of 2-6 GHz. This receiver has an LO frequency of 10.80-11.40 GHz and has an image rejection of 20 dB. The module contains Arralis monolithic millimetre-wave P-HEMT integrated circuits and patented technology allowing very large-scale integration. The receiver has a mass of 90 g and measures 20(W) x 35 (L) x 20 (H)mm.
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Block Upconverter
47.75-48.25 GHz Block-Up Converter for SATCOM Applications
Block Upconverter  from ERZIA

The ERZ-BUC-4775-4825-37 from ERZIA is a Block Upconverter that converts an input frequency of 1.25-1.75 GHz to an output frequency of 47.75-48.25 GHz. It has a maximum LO frequency of 9.7 GHz and has a bandwidth of 500 MHz. The block-up converter has a small signal gain of 50-52 dBm and an output power of 36-38 dBm. It is a MIL-STD screened converter that requires a supply of 24-32 V and a power consumption of 200 W.
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Block Downconverter
10.7-12.75 GHz Ku-Band Satellite Downconverter
Block Downconverter  from WORK Microwave

The VHBD-VSBD-VHBDR-VSBDR-Ku2Ku3 from WORK Microwave is a Block Downconverter that has an input RF frequency range of 10.7-12.75 GHz and an output frequency of 950-2000 MHz. This Ku-band downconverter has an LO frequency of 9.75-10.75 Hz and a phase noise of up to -140 dBc/Hz. It has an impedance of 50 Ohms and an input/output return loss greater than 18 dB. It weighs 6 Kg and measures 483 x 44 x 270 mm.
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Satellite Camera
12.6 MP High Resolution Satellite Camera for Monitoring Applications
Satellite Camera  from Simera Sense

The TriScape100 from Simera Sense is a Satellite Camera with a focal length of 580 mm and an aperture of 95 mm. It has a field of view (FOV) of 2.22° (across-track) x 1.66° (along-track) and has a pixel resolution of 4096 x 3072. This RGB Bayer pattern camera has a CMOS Global shutter sensor technology with a pixel size of 5.5 µm and has a pixel depth of 10 bits. It has a mass of 1.26 kg and measures 176.5 x 98.3 x 98.3 mm.
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Magnetorquer
CubeSat Magnetorquer for Detumbling and Magnetic Attitude Control
Magnetorquer  from Kongsberg NanoAvionics

The MTQ M6P from Kongsberg NanoAvionics is a Magnetorquer with a dipole magnetic moment strength of 0.30 Am^2 on X & Y axis and 0.34 Am^2 on Z axis. It requires a supply voltage of up to 5 V and consumes 0.4 W of power. This magnetorquer is compatible with the PC-104 form factor and most CubeSat structures. It includes three separate 1.5 mm pitch PicoLock connectors. It weighs 205 g and is ideal for CubeSat detumbling & magnetic attitude control.
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Space Qualified RF Diplexer
8.35-8.5 GHz X-Band Diplexer for CubeSat and Nanosatellites
Space Qualified RF Diplexer  from WiRan

The DXA from WiRan is a Space Qualified RF Diplexer with a transmitter frequency range of 8350-8500 MHz and a receiver frequency range of 7145-7235 MHz. It has a rejection value of 80 dB and a group delay variation of 0.2 ns. The diplexer has an insertion loss of 1.5 dB and a return loss value of 15 dB. It has an SMP male connector as RF interfaces and a power handling capacity of 15 W. It has a weight of 115 g and measures 96 x 96 x 14.5 mm.
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Inertial Measurement Unit
Acceleration Measurement Unit for Solar Orbiter and Euclid Missions
Inertial Measurement Unit  from Bradford Space

The Acceleration Measurement Unit (AMU) from Bradford Space is an independent sensor module designed to provide precise acceleration data to traditional Inertial Measurement Units (IMUs). It uses four accelerometers in a tetrahedral setup with independent channels linked to FOG modules. The AMU supports an input acceleration range of ±7.5 mg with full performance and an extended range up to ±1.1 g. The AMU has a total mass of 2.035 kg.
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Gimbal
3-Phase Bi-Axis Gimbal for Antenna Pointing Mechanism
Gimbal  from Sierra Nevada Corporation

The EH25 from Sierra Nevada Corporation is a Bi-Axis Gimbal with a 3-phase stepper motor designed for high stiffness, fine pointing accuracy, and long operational life. This gimbal offers full 360° rotation on both axes and delivers an unpowered holding torque greater than 45 N·m. It provides a fine pointing resolution of 0.0025° per step and has a torsional stiffness of 17,000 N·m/rad. It has a mass of 5.8 kg and measures 284.5 x 147 mm.
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Low Noise Block
3.7–4.2 GHz C-Band Low Noise Block Downconverter
Low Noise Block  from Viking Satcom

The VS-LNB-P3742-5 from Viking Satcom is a Low Noise Block Downconverter that operates with an input frequency range of 3.7–4.2 GHz and an output frequency range of 950–1450 MHz. It has an LO frequency of 5.15 GHz with a stability of ±5 kHz and has a gain of 60 dB. It has an input and output VSWR of 2.2:1 and has a 1 dB compression point of +10 dBm. This low noise block weighs 560 g and measures 180 x 98 x 70 mm.
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Spacecraft & Satellite Propellant Tank
104-177 L Propellant Tank for Spacecrafts
Spacecraft & Satellite Propellant Tank  from Orbital Propulsion Centre

The SURFACE TENSION TANK OST 31/0 from Orbital Propulsion Centre is a Spacecraft & Satellite Propellant Tank with a net tank volume of 104-177 L and a maximum expected operating pressure of 24.6 bar. This propellant tank is compatible with hydrazine propellant and pressurant gases such as helium and nitrogen. It has a proof pressure of 36.9 bar and a burst pressure of 49.2 bar. The tank has a spherical geometrical shape and has a tank mass of 6.85 Kg.
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Analog Phase Shifter
4-Port Differential Phase Shifter for RF Devices
Analog Phase Shifter  from Scientific Microwave Corporation

The WR284 from Scientific Microwave Corporation is an Analog Phase Shifter with a frequency range of 2.7-2.9 GHz. This phase shifter delivers exceptional performance with a typical VSWR of 1.20:1 across all ports and has an insertion loss of 0.2 dB. It has an isolation value of 23 dB with enhanced signal strength and high-power handling capability. This 4-port differential phase shifter features a minimum pressurization rating of 15 Psi.
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ADCS System
Autonomous Attitude Determination and Control System for CubeSats
ADCS System  from CubeSat Pointing

The KU Leuven ADCS from CubeSat Pointing is an Autonomous Attitude Determination and Control System (ADCS) that is suitable for use in CubeSats up to 12U. The system integrates gyroscopes, photodiodes, magnetometers, a star tracker, a flexible extended Kalman Filter, reaction wheels, magnetorquers, a fine PID controller, and a coarse controller. It has a pointing accuracy of 0.11-6.3 degrees and detumbling of +60 deg/s.
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Space Actuator
Rotary Incremental Actuator for Spacecrafts
Space Actuator  from Moog

The Model Type 1 Rotary Incremental Actuator from Moog is a Space Actuator with an output torque value of 70 Lb-in and a momentum value of 415 Lb-in. The actuator has an output step angle of 0.0375 degrees and a steps per resolution of 9600 steps. It has a powered holding torque value of 70 Lb-in and a power consumption of 4.5 W. The actuator is designed with a small-angle permanent magnet stepper motor with high holding torque.
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Space Cryocooler
5.1 W Pulse-Tube Cryocooler for Space Applications
Space Cryocooler  from Thales Group

The LPT 9310 COTS+ from Thales Group is a Pulse-Tube Cryocooler that has been designed for NASA's ECOSTRESS instrument on the International Space Station. It provides a cooling capacity of 5.1 W at 80 K that requires a maximum input of 180 W. The cryocooler is based on a dual opposed-piston with flexure-bearing moving-magnet compressor coupled to a pulse-tube cold finger for commercial heritage. It has a mass of less than 7 kg.
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Reaction Wheel
Reaction/Momentum Wheel for LEO Orbits
Reaction Wheel  from SITAEL

The Reaction/Momentum Wheel (RMW) from SITAEL is an attitude control device that provides a high stall torque and has a control torque of up to 10 mNm, and can store an angular momentum of up to 0.4 Nms. It has a speed range of ±4000 rpm with a standard operational lifetime of about 2 years. The unit operates with a bus input voltage of 12–30 V. It weighs up to 1100 g and measures 120 x 100 x 130 mm, and is designed for a mission lifetime of 10.2 years in orbit.
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