FreePCB – PCB editor
FreePCB is a free, open-source PCB editor, released under the GNU General Public License. It was designed to be easy to learn and easy to use, yet capable of professional-quality work. FreePCB – PCB...
Category: Schematics
Convert Analog to Digital with a V-F
A Low cost A/D with a Potential of 5KV Isolation from Computing elements by use of Normal/Special Opto-Couplers. This can give better resolution and accuracy than a 8 bit A/D. may be close to...
Antenna-amplifier with BFT 12 for FM-range
The only way to improve the reception of FM-signals or particularly of stereo FM-signals under disadvantageous receiving conditions is to amplify the antenna signal. This should be made directly at the antenna, since the...
Design Notes – Schematic and PCB – 04
PCB Thermal Design Care for Analog Circuit Stability – If you have a hot power chip near a DC analog circuit, the values will drift, take time to stabilize, this happens even if you...
