Auto Car Battery Testers circuit using LM3914
Archives for Test equipment
Audio circuit
Audio circuit using 12AX7, 2x6BQ5, EL84 Audio circuit using 12AX7, 2x6BQ5, EL84
Portable detector
Portable detector Kristal Checker – Krystal Detector circuit using BC107 Kristal Checker – Krystal Detector circuit using BC107 Portable detector R1 ………….. 39K ohm R2 ………….. 1K ohm R3 ………….. 100K ohm C1 ………….. 680pF C2 ………….. 150pF C3 ………….. 1K pF C4 ………….. 4,7K pF TR1 …………. BC107 TR2 …………. BC107 D1 ………….. 1N60 […]
Simple Touch Switch circuit One Tr
Simple Touch Switch circuit One Tr using 2N3904
Audio circuit
150W Audio circuit diagram 150W Audio circuit diagram
