EWC28 - X-Band Transmitter

Vendor profile

Overview

This transmitter is embarked on this Proba-V mission. The equipment operates in the 8025–8400MHz frequency range. It exhibits a data rate up to 100Mbps. The RF output power is programmable from 30 to 39dBm (+40dBm in option) per 1dB step. The equipment is designed for missions of 5 years-lifetime at Low Earth Orbit (LEO). The transmitter includes a DC-DC converter having a galvanic isolation.

The architecture of the power supplies is designed to be able to protect the transmitter against latch-up effects due to heavy ions in space: an electronic fuse has been placed just after the main DCDC converter and some current limitations were implemented for each individual function.

A smart strategy is proposed for controlling the supplies of the internal power amplifier in order to get the best efficiency for each RF power level. EWC28 XBT can be adapted for Deep Space, especially in terms of Frequency band, Bitrate, ... EWC28-DS has already been selected and commissioned for a lunar mission.

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Overview

Name: EWC28 - X-Band Transmitter
Vendor: Syrlinks
Subsystem: Telecom Subsystem
Component Type: Transmitter
Form Factor: SmallSat
Heritage: Yes

Vendor Details

Name: Syrlinks
Website: https://www.syrlinks.com/en/space
Founded: 2011
Summary: Driven by Space, Safety and Defense market growth, Syrlinks is developing new product lines. Syrlinks design and manufacture products for the space market, safety, defense & time-frequency in particularly in the following areas: SPACE : radiocommunication and radionavigaion equipment for small platforms (Nano, Micro and Mini satellites): • TTC Transceivers in S, X and K/Ka Band, • High Data Rate transmitters in X and Ka band, • Precise GNSS receivers (POD), Spectrum monitoring payloads, •LEO PNT payloads and payloads for data collection. DEFENSE: Ruggedized communications Systems and Geolocation / Navigation equipment for Defense applications SAFETY: Various distress and tracking beacons : Cospas / Sarsat, AIS & Argos TIME-FREQUENCY: Syrlinks has engineered productsrs for many years for embedded applications such as : • OCXO : Oven Controlled Xtal Oscillators, • Modules for Synchronization, Ruggedized frequency synthesizers • Micro Atomic Clocks with Cesium.