SOURCE: RAUNAK KUNDE / NEWS BEAT / IDRW.ORG
India’s state-owned Hindustan Aeronautics Limited (HAL) remains committed to developing its Software Defined Radio 1 (SDR-1) for the Tejas MkII fighter program. This comes despite the recent maiden flight of the upgraded Tejas Mk1A, which was equipped with the Israeli-made B-NET SDR radio.
The HAL-developed SDR-1 has officially entered the testing phase, signifying progress towards integration into the Tejas MkII. This domestically produced solution aims to provide advanced communication capabilities for the next-generation fighter.
HAL is also developing a complementary system, the Software Defined Radio-2 (SDR-2), which will cater to VHF and SATCOM needs.
The SDR-1 is a domestically designed and developed 2-channel software-configurable radio. It operates across V/UHF and L-bands and offers a high degree of flexibility.
- Waveform Versatility: The SDR-1 can host a wide range of waveforms, from traditional AM/FM to more advanced options like Frequency Hopping (FH) voice and Dynamic Time Division Multiple Access (D-TDMA) networking.
- Seamless Integration: The radio boasts essential interfaces like MIL-STD-1553B for data transfer, Ethernet, and RS-232/422 for control functions.
- Compact Design: The SDR-1 is housed in a compact ½ ATR form factor with horizontal mounting for efficient space utilization.
- Integrated Power and Cooling: The unit comes with built-in power amplifiers for both V/UHF and L-band channels, along with a DC fan cooling system.
- User-Friendly Operation: The SDR-1 offers intuitive Graphical User Interfaces (GUIs) for selecting different modes and loading waveforms, ensuring ease of use.
- Future-Proof Design: HAL emphasizes the SDR-1’s potential for expansion. The system can accommodate additional waveforms and support new frequency bands in the future.
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