Index :
Hambeurskalender :
My collection of old radio's :
DVB-T Antenna :
SDR Labo :
SDR RTL Spectrum Analyzer Software ( New )
Before you go into SDR :
SDR: you should know this (external link)
SDR interference and solutions
READ FIRST: SDR Antenna Considerations
SDR Antenna's :
SDR: Two Modified Stock Antenna's
SDR: PA0FBK VHF/UHF (Dualband 2m-70cm) Antenna
SDR: Wide-Band VHF-UHF Antenna DR2000
SDR: Basic HF Mini-Whip Antenna (Update 2021)
SDR: HF Mini-Whip Slim-line Antenna
SDR HF Up-converters (0-30 MHz) :
RTL-SDR Basic HF UP-Converter V1.0
RTL-SDR Mini HF UP-Convertor V3.0
DDS Projects :
DDS Generator 1-60 MHz for cheap AD9850 Module
Other :
Making the OZ2CPL HF Power meter
Make your own coils for VHF-UHF
Digital Zener Diode Tester 0 - 30 Volt ( New )
LC Meters :
Improved LC Meter for SMD's with a PIC16F628 (Update 2021)
Elektor Pico-C / frequency and period meter
Older Projects :
Kruidvat Radio and a DRM Mixer
Gel battery charger with anti-sulphation
Simple 1-30 MHz Generator with a LTC1799
The on1bes Toko Coil & Watch Crystal Tester ( Updated )
FET Specials :
Microcontroller : Atmel & AVR :
AT89C2051 Programmer (obsolete)
AT89C2051 IR Decoder with Relais
Microcontroller PIC µP Pages :
Modified Serial PIC µP JDM Progammer
Labo - Measure Varicaps :
Link : Varicaps Measure with a Varicap adapter
Link : Externe links