TX-2400

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CubeSat S-Band Transmitter

Ideal for space missions where a high data rate downlink is required. The TX-2400 is an extremely compact S-Band transmitter designed for CubeSat missions. Their small size, low profile, rugged design and high directionality make it an excellent addition to the system.

The TX-2400 is a proven satellite and launch vehicle S-Band transmitter with built in FM/FSK modem for downlink of payload data and telemetry. The TX-2400 has been a workhorse for AAC SpaceQuest’s satellites and a mainstay of our customers for over a decade.

Whilst not CubeSat Standard, this solution can be used in a CubeSat system design.

Heritage

This space-qualified component and its predecessors have flown on numerous space missions and is particularly well suited to missions requiring high performance under extreme conditions. The unit has a proven track record in space with a baseline design heritage going back more than 15 years.

Proven Design

The unit provides a downlink to terrestrial ground stations with the link carrying mission data and telemetry data. Rigorous testing has verified the transmitter will withstand the shock, vibration, temperature extremes and the vacuum of space with minimized outgassing.

Reliability

The TX-2400 is an FM (Frequency Modulated) GMSK transmitter S-Band transmitter. The unit is a highly reliable space-qualified module for integration into spacecraft, which operates with stable, low power requirements. The transmitter is also qualified to withstand a 100g shock and 100g acceleration while operating.

S-Band Transmitter

Why the TX-2400?

  • Frequency Range: 2000 to 2300 MHz
  • 1.0 – 2.5 Watt Transmit Power (5 and 10W Versions Also Available)
  • 16 Pre-configured Channels
  • FM or FSK Modulation
  • Variable Data Rates from 56 Kbps to 6 Mbps
  • Low Mass, Power Efficient Design
  • CubeSat Compatible
  • More details available in the datasheet.

Technical Specifications

General
Frequency 2000 MHz to 2400 MHz
Transmit Power 1.0 - 2.5 Watts (5 and 10 Watts Available with TX-2400M-HP)
Data Rate 56 Kbps to 6 Mbps
Modulation FM; FSK
Channels Up to 16 Channels; Selectable On Orbit in 25 KHz Steps
Electrical and RF Specifications
Input Voltage 8 to 32 Volts DC
Current 800 mA Maximum (2.4 Watts Version)
Power Connector MDM 9S Mounted to Enclosure
Power Return Power and Modulation Return Common to Chassis
Frequency Stability ± .002% (-20°C to +50°C)
Distortion 1% Max
RF Output Impedance 50 Ohms Nominal
RF Output Connector SMA Female
Reverse Polarity Protected
VSWR 1.5:1
Mechanical and Environmental
Mass 70 grams
Size 68 mm x 35 mm x 15 mm
Operating Temperature -20°C to +70°C
Storage Temperature -30°C to +80°C

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