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Our modular solutions are built for compatibility and adaptability. The PULSAR-STX and PULSAR-STXC are compact S-Band transmitters designed for CubeSat missions operating at amateur and commercial frequencies respectively. The PULSAR-STX/C solution is compatible with our S-Band Patch Antenna, the Pulsar-SANT, designed to be mounted on the nadir facing side of a CubeSat.
The low power consumption PULSAR-STX solution operates at amateur and commercial bands respectively and is user programmable within bands. This solution has low power requirements with < 5 W (for maximum RF power output) and is powered from unregulated battery bus or regulated 5V.
The transmitters implement O/QPSK modulation with transmission data rates of up to 2 Mbps. The transmitters are ideal for space missions where a high data rate downlink is required. They implement an open network encoding scheme based on the IntelSAT IESS-308 specification which allows this product to be used with low-cost commercial satellite demodulators.
The transmitter implements QPSK modulation with transmission data rates of up to 2 Mbps. It utilises an open network encoding scheme based on the IntelSAT IESS-308 specification which allows this product to be used with low-cost commercial satellite receivers. The transmitter is ideal for space missions where a high data rate downlink is required. The PULSAR-STX solutions have been tried, tested and trusted on an array of on orbit missions proving to be not only reliable but efficient. The PULSAR-STX was part
of the UKube-1 mission, the UK Space Agency’s first national spacecraft. These transmitters are compatible with our S-Band Patch Antenna, Pulsar-SANT.
These solutions are supplied with user manuals, flight boards and STEP files for seemless system integration.
Power
The PULSAR-STX/C solution is compatible with our S-Band Patch Antenna. A nadir facing S-Band patch antenna can also be incorporated into the CubeSat design. Its small size, low profile, rugged design and high directionality make it an excellent addition to the system. The S-Band patch antenna is designed to be mounted on the
nadir facing side of a CubeSat. A wide beamwidth ensures satellite communication through a wide range of elevation angles. It is machined from solid aluminium
Frequencies
The PULSAR-STXC and PULSARSTX supports commercial (2.2 – 2.3 GHz) and amateur (2.4 – 2.45 GHz) bands respectively, and is user programmable within the bands.
Reliability
The PULSAR-STXC and PULSARSTX supports commercial (2.2 – 2.3 GHz) and amateur (2.4 – 2.45 GHz) bands respectively, and is user programmable within the bands.
Why the PULSAR-STX?
-
- Low power consumption
- Total power consumption < 5 W (for maximum RF power output)
- Powered from unregulated battery bus or regulated 5V
- Transmission data rates up to 2 Mbps
- With Full, ½, ¼ and ⅛ rate modes
- Support for commercial (2.2 – 2.3 GHz) and amateur (2.4– 2.45 GHz) bands
- User programmable within bands
- Industry standard encoding and modulation techniques
- Compatible with low-cost commercial demodulators
- Based on IntelSAT IESS-308
- QPSK or OQPSK
- Transmit output power from 24 dBm to 30 dBm, adjustable in 2 dB steps
- Compatible with our S-Band Patch Antenna
- A range of high-performance PULSAR antennas available
- Supports both amateur and commercial bands
- Compatible with all AAC Clyde Space Zaphod Structures
| Parameter | Value |
|---|---|
| Mass | 100 g |
| Temperature | -25°C to +51°C |
| Power | < 5 W |
| Voltage | 6 V – 12 V (5 V alternative) |
| Frequency | 2.2 GHz – 2.3 GHz (PULSAR-STXC) |
| Frequency | 2.4 GHz – 2.45 GHz (PULSAR-STX) |
| RF Power | 24 - 30 dBm (1 W RF) in 2 dB steps |
| Channel Spacing | 500 kHz |
| Spurious Response | < -60 dBc |
| Design Life | 2 years in LEO |
| Type | Document Name | Action & Size |
|---|---|---|
| No public documentation available. Please inquire for details. | ||
