Schematic Power Amplifier and Layout

FM transmitter circuit Radio Wireless circuit using BC547 FM transmitter circuit radiate strong radio frequency to the environment

Mini fm radio Transmitter circuit Mini fm radio Transmitter circuit  using BF199 This small FM transmitter with a range of about 50 meters designed for hoby. With lots of mini-transmitters then you have a comprehensive, action-packed radio program. Due to the power supply via the USB port of a high frequency stability is achieved. Alternatively, […]

Pad2Pad Free PCB Routing CAD with Ordering. is the remarkable new way to get the custom printed circuit boards you need quickly. :Pad2Pad Free PCB Layout CAD 1.7.14 design software

Tube Amp using EL34 35W Electronic Parts R1=470K 0,5W R13-21=820K 0.5W R12-23= 180K 0.5W R2-5= 2K2 0.5W R14-22=5K6  0.5W R3=150K 0.5W R15-20= 680K 0.5W R4= 220K 0.5W R16-19=100K 0.5W R6-10= 56K 0.5W R17-18=3K3 1W R7=3.9K 0.5W R24=470R  2W R8= 220R  0.5W R9= 1M  0.5W R11= 39K 1W C2=220pF 600v C8-9=0.1uF 630V C10-14=0.47uF 630V C4-5=16uF 550V […]

Radio Shortwave UHF 433MHZ circuit

Amplifier Circuit using STK1030 30W Audio Amplifier Circuit using STK1030