Member Only Archive
Table of contents
- DDS RF Signal Generator Frequency range: 50 Hz to over 70 MHz
- Valve Preamplifier (2) construction
- Xilinx PROM Programmer Parallel port serial PROM burner
- Valve headphone Amplifier EL84 (6BQ5) at an anode voltage of 40 V
- The P89LPC900 (1) the architecture
- TinyLogic Ics Type NC7SZ57/58 Configurable logic gates
- Precision Measurement Central (3) Flash for all purposes
- SuperCap Battery Power from a GoldCap
- DC-Operated Stepper Motors With unidirectional rotation and slow speed
- R-C Network Measurement with BASCOM AVR Better accuracy from a new command
- Minimalist Induction-Balance Metal Detector A low-cost treasure hunter
- Valves at Low Voltages (2) more power!
- Headphone Amplifiers DIY with valves and semiconductors