12/18/2023 0 Comments 80p autumn backgroundSubscription rates: year f4 UK and 7 outside UK. Telephones: Editorial Advertising See leader page. By post, current issue.23, back issues (if available).80, order and payments to EEP General Sales Dept., Quadrant House, The Quadrant, Sutton, Surrey SM2 5AS Tel: Editorial & Advertising offices: Quadrant House, The Quadrant, Sutton, Surrey SM2 5AS. Available on microfilm please contact editor. Current issue price 80p, back issues (if available), at Retail and Trade Coun- ter, Units & 2, Bankside ndustrial Centre, Hopton Street, London SE. Simple ultrasonic transmitters and receivers with appropriate control by 6502 or Z80 can give a robot distance- measuring capability, even in a noisy environment. But using the principle of reciprocity Peter Dobbins shows how three transducers can be calibrated with no specialized equipment. Loudspeaker measurement techniques designed to avoid the vagaries of personal prejudice and room acoustics normally require a calibrated microphone. NEXT MONTH Compact electronic typewriter can be equipped with an RS232 interface to enable it to be used as a printer for computer output at a total cost for both typewriter and interface of just over half that of the lowest price commercial alternatives. EXPORT ENQURES WELCOME Tel: Plymouth h (0752) mou Unit E, Huxley Close, Newnham ndustrial Estate, Plymouth PL7 4JN WW FOR FURTHER DETALSģ WirelFOR EVERYTHNG N ELECTRON JULY 983 VOL 89 NO 570 Rather than try to show how electronics could help disabled people this month's cover by Geoff Harrold depicts the things you might choose to surround yourself with in entering our design competition. livery BSC4 Buffered emulation cable - 39 BP4 (TEXAS) Bipolar PROM Module - 90 Prinz video monitor - 99 UV4 EPROM Eraser with timer - 78 GP00A 80 column printer Centronics interface - 65 GR VAT should be added to all prices DSTRBUTORS REQURED GP ndustrial Electronics ltd. Extra k x 8 scratch pad RAM for block moving. Comprehensive input /output - RS232C serial port, parallel port, cassette, printer O /P, DMA. Powerful editing facilities include: Block /Byte move, insert, delete, match, highlight, etc. Memory mapped video output allows full use of powerful editing facilities. Checks for misplaced and reversed insertion, and shorts on data lines. Use as stand alone programmer, slave programmer, or EPROM development system. No personality cards /characterisers required. EP8000 8k x 8 Emulator Programmer delivery BSC8 Buffered emulation cable - 49 SA2728 Programming adaptor - 69 SA2528 Program- ming adaptor - 69 EP4000 4k x 8 Emulator Programmer de- FEATURES Software personality programming /emulation of all EPROMs up to 8k x 8 bytes including 2704, 2708, 276(3), 2508, 2758A, 2758B, 256, 276, 2532, 2732, 2732A,, , 68766, 68764, 2564, Programs 2528, 2728 with adaptors. The EP4000 with 4k x 8 static RAM is still available with EPROM programming and emulation capacity up to 4k x 8 sizes. Personality cards and hardware changes are not required as the machine configures itself for the different devices. 2 EP8000 EPROM PROGRAMMER R «rraihrir' The new microprocessor controlled EP8000 Emulator Programmer will program and emulate all EPROMs up to 8k x 8 sizes, and can be extended to program other devices such as 6k x 8 EPROMs, Bipolar PROMs, single chip microprocessors with external modules.
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