SDR-3104
‍Software-Defined Radio

Name: SDR-3104 Software-Defined Radio
Brand: CesiumAstro

3U SpaceVPX SDR with extended low-frequency receive coverage

CesiumAstro's SDR-3104 Software-Defined Radio

Overview

SDR-3104 is a software-defined radio with 4 transmit and 4 receive channels in a ruggedized 3U SpaceVPX form factor, designed for multi-channel RF digitization and signal processing within spacecraft payload architectures.

SDR-3104 maintains the same core architecture as SDR-2104 while direct-sampling from UHF through Ka-band. This simplifies system design and enables greater channel density and processing performance.

Key Capabilities

Multi-Channel RF Operation

Four transmit and four receive channels
Supports communications, sensing, and ranging in a common SDR architecture

Wideband RF Digitization

Sample rates up to 48 GSam/sec
IQ rates up to 1.5 GSam/sec
Enables wideband signal capture and processing across supported RF ranges

Reconfigurable Digital Architecture

AMD Versal Prime or AI Core SoC-based processing
FPGA-based waveform processing, filtering, and channelization
On-orbit reconfiguration of signal processing chains

SpaceVPX Integration

3U SpaceVPX form factor
VPX backplane interfaces for system integration
Compatible with CesiumAstro’s Vireo-based system architectures

Applications

Satellite communications

Multi-band RF sensing and monitoring

Ranging and navigation support

Payload architectures requiring extended frequency coverage

Specifications

RF Front-End Bandwidth

Tx: 100 MHz to 21 GHz
Rx: 100 MHz to 31 GHz

Channels

Tx: 4
Rx: 4

Max. Instantaneous Bandwidth

1.2 GHz

Converter Rate

48 GSam/sec

Converter Resolution

10 b

Max. IQ Rate

1.5 GSam/sec

Memory

8 GB DDR4 DRAM

Form Factor

3U SpaceVPX

Backplane Interfaces

6x GTY Quads, 1000BASE-T Ethernet, LVDS, JTAG

Non-Volatile Storage

8 Gb MRAM

Size

7” L x 4 W x 1” H

Mass

900 g

Development Kit

The SDR-3104 Development Kit enables engineers to evaluate RF performance, develop custom firmware and waveforms, and enter system integration fully prepared, with fewer surprises and faster progress to flight.

With direct access to RF interfaces, FPGA fabric, and onboard processors, you can rapidly prototype, iterate, and refine mission-specific configurations in a lab setting. A complete board support package (BSP), including boot firmware, device drivers, and example software, removes bring-up friction so your team can focus on building and validating your mission application.