Products

Product 2, RA1792, A6A2 Microcomputer board for BITE+LSI Receivers..
This BITE+LSI A6A2 board (Build State II) was originally issued as Racal part number ST082912 and was a standard fitment in the ST82129 build of receivers. It is distinctive in having 2 x EPROM ICs with Programme suffix labels /1A/2A and 2 x D445LC / 5047 Static RAM ICs. On the underside of the board a model number DA82911 - 3 or 4 is identifiable.

Product 4, RA6790/GM, BITE A6A2 board was a standard fitment in all of the early versions of the RA6790/GM HF Receiver. Easily identifiable by the 3 x EPROMS. Both the A08449 & A09666 versions of firmware are available.

Product 5, RA1792, A6A2 Microcomputer board for BITE+LSI Receivers..
This BITE+LSI A6A2 board (Build State II) was originally issued as Racal part number ST082912 and was a standard fitment in the earlier ST82129 receivers. It is distinctive with it's two 5101 series RAM ICs & 2 x EPROMs. Board types DA82911 - 1 & 2.

Product 6, RA6790 & RA6793 series receivers, A6A2 Microcomputer boards, incorporating the Z80 CPU.
(ASSY 4100030-XX, board model 4300012-1 REV XX). The Board can be fitted with either firmware (1600304-1 for the RA6790/GM) or (1600013 for the RA6793).
We can now provide the 1600305 software that provides HF/VLF reception coverage and the much preferred 1/10/1000Hz tuning steps.

Product 7, A5 ISB Module for both the RA1792 & RA6790/GM receivers. Provides optional reception mode ISB (B8E) , through software control of the LSB / USB filters.

Product 8, A1 OVP/Pre-Amp module. Providing the much needed front end protection for the RA6790/GM receiver. The OVP unit provides full overvoltage protection whilst the Pre-Amplifier module delivers a full 10db of gain to the LPF filter and subsequent receiver sections. The unit incorporates an RF relay with full muting capabilities.

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