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Practical Electronics Practical Electronics Practical Electronics Practical Electronics Practical Electronics The UK’s premier electronics, computing and maker magazine The UK’s premier electronics, computing and maker magazine The UK’s premier electronics, computing and maker magazine The UK’s premier electronics, computing and maker magazine The UK’s premier electronics, computing and maker magazine Circuit Surgery Audio Out Precision Electronics Setting up and timing An audio amplifier circuit using Getting the most out of your a DAC for DSP. a complementary cascode ADC in precision applications. 01202 087631 Circuit Surgery Getting our DSP board’s ADC & DAC working together Audio Out Compact OLED Clock & Timer Precision Electronics Minimising distortion in balanced input transformers Explore-40 MMBasic in a Pico form factor Choosing & using voltage references Circuit Surgery Getting an FIR filter algorithm running on a microcontroller Audio Out A proper PCB for building the cascode audio amplifier Compact Hi-Fi Headphone Amp 180-230V DC Motor Speed Controller with feedback FlexiDice www.electronpublishing.com <at>practicalelec Circuit Surgery Measuring frequency response with a PC sound card Audio Out Three FET-based Class-A Audio Buffer Module PCBs Precision Electronics The final instalment Circuit Surgery Measuring frequency response with a PC sound card, part 2 Custom Electric Guitar/ Bass Controls Discrete Ideal Bridge Rectifiers PLUS! 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We accept MasterCard or Visa. (For past issues see the Back Issues page.) SUBSCRIPTION ORDER FORM  6 Months:.UK £33.99, Europe £38.99 (Airmail), Rest of the World £46.99 (Airmail)  1 Year: UK £59.99, Europe £69.99 (Airmail), Rest of the World £84.99 (Airmail)  2 Years: UK £114.99, Europe £129.99 (Airmail), Rest of the World £164.99 (Airmail) To: Practical Electronics Subscriptions PO Box 6337 Bournemouth BH1 9EH United Kingdom Tel: 01202 087631 Email: pesubs<at>selectps.com I enclose payment of £ .............. (cheque/PO in £ sterling only) payable to Select Publisher Services Ltd  Please charge my Visa/Mastercard My card number is: ....................................................................... Please print clearly, and check that you have the number correct Card Security Code .................. Valid From Date........................ (The last 3 digits on or just under the signature strip) Card Ex. Date ...................................... 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