Mond am 20.04.2024
Zunehmender Mond
38 % des Zyklus vorüber
Nächster Vollmond:
Dienstag, 23.04.2024
Nächster Neumond:
Mittwoch, 08.05.2024
von Foxsoft
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| 1 Watt Morse Transmitter |
| 10-MHz Bandfilter mit nur einem Opamp |
| 20060303 xPhase der Noise-Killer |
| 20m Empfänger |
| 20m SSB-CW Empfaenger |
| 2-NB Noise blanker |
| 2-stufige Verstärkerschaltung für UKW-Signale |
| 3rd Order Coupled Resonator Filter |
| 4 Transistor Super Regen Receiver |
| 40dB Tap Attenuator |
| 433-MHz-Feldstaerke-Messgeraet |
| 433-MHz-Funktechnik - Daten- und Sprechfunk ohne Lizenz |
| 4-Kanal HF-Breitbandweiche |
| 4-Kanal HF-Schaltsignalübertragung mit Sicherheitscode |
| 6 Transistor Super Regen Receiver |
| 80m Hoerprobe1 xPhase |
| 80m Hoerprobe2 xPhase |
| A preamp is of no value |
| A simple LF receiver |
| Active Antenna HF VHF UHF, 3-3000MHz |
| Aktivantenne 1 |
| Aktivantenne 1.5-30 Mhz |
| Aktivantenne 2 |
| Aktive KW-Antenne |
| Aktive magnetische Antennen |
| Aktive Stabantenne |
| Aktives NF Notch-CW Filter |
| All Band Radio |
| All Band Receiver |
| AM loop antennas |
| AM radio reception tips and links |
| AM reception guide |
| AM SW FM Active Antenna |
| Amazing All-Band Receiver |
| AM-Band Transmitter |
| AM-FM Empfänger für digitales Tuning |
| AM-FM Reception Tips |
| AM-FM-SSB-Empfänger |
| Antenna for reducing skywave interference |
| Antenna Selector |
| Antennas for Low Power Applications |
| Atmospherics Monitor |
| Audio Notch Filter |
| Audio Power Amplifier |
| Audio Preamplifier |
| Automatischer Präselektor für den DRM-Empfänger |
| Basic VOX |
| Block Diagram with Specifications |
| Breitband HF-Vorverstärker für MW-LW |
| Breitband PC-Radio |
| Build an FM antenna |
| Cable Amplifier-Splitter |
| Cable-TV distribution amplifier and splitter |
| Coil-less FM Transmitter |
| CQ-Rufmaschine mit ISD14xx |
| Crystal Sets to sideband |
| CW Audio Filter |
| CW Filter |
| Digitales HF-Wattmeter |
| Diverse CW Filters |
| DRM Update |
| DRM-Empfänger im Selbstbau – Digitalradio für 500 kHz bis 22 MHz |
| Eintransistorradio |
| Feldstärkemesser mit LED-Anzeige |
| Fernempfangsradio der DL-QRP-AG - Bauanleitung |
| Flugfunk-Empfänger mit Squelch-Zusatz |
| FM Receiver using TDA7000 |
| FM TX 1 |
| FM TX 2 |
| FM TX 3 |
| FM TX 4 |
| FM TX 5 |
| FM-Funk-Fernbedienungs-RX-TX |
| FM-Mikrophon |
| Gewittermelder |
| Guru Receiver |
| Guru Receiver Block Diagram |
| HF-Eichmarkengenerator |
| High-Performance Low Frequency Converter |
| Homemade Coherer |
| Inspire VLF-3 Receiver |
| Interface Audio PC avec VOX |
| ird062-00-vlf-booklet |
| ird062-cd1-stephen-p-mcgreevy-01-alvord-desert-dawn-chorus |
| ird062-cd1-stephen-p-mcgreevy-02-eves-river-auroral-chorus |
| ird062-cd1-stephen-p-mcgreevy-03-fish-rock-road-whistler-shower |
| ird062-cd1-stephen-p-mcgreevy-04-dawn-chorus-with-whistlers-carrizo-plain |
| ird062-cd1-stephen-p-mcgreevy-05-eastern-nevada-growler-whistlers |
| ird062-cd1-stephen-p-mcgreevy-06-slow-falling-alberta-whistlers |
| ird062-cd1-stephen-p-mcgreevy-07-kenai-crazy-whistlers |
| ird062-cd1-stephen-p-mcgreevy-08-alberta-auroral-chorus |
| ird062-cd1-stephen-p-mcgreevy-09-alberta-auroral-chorus-2 |
| ird062-cd2-stephen-p-mcgreevy-01-long-version-of-the-very-beautiful-segment |
| ird062-cd2-stephen-p-mcgreevy-02-eves-river-auroral-chorus-2 |
| ird062-cd2-stephen-p-mcgreevy-03-chatanika-river-auroral-chorus-2 |
| ird062-cd2-stephen-p-mcgreevy-04-eves-river-auroral-chorus |
| ird062-cd2-stephen-p-mcgreevy-05-chatanika-river-auroral-chorus |
| JOVE Receiver |
| JOVE RJ1.1 Receiver Kit |
| Konverter für das 2m Band |
| Kurzwellen Audion |
| Kurzwellen PC-Radio |
| Kurzwellen-Aktivantenne mit Preselektion |
| KW-Audion |
| KW-Empfänger |
| Leistungs-Dämpfungsglied |
| LF and VLF Converter |
| Low Pass Filter |
| McGreevy |
| Medium Power Fm Transmitter |
| MFJ-959C Receiver Antenna Tuner-Pre-Amplifier |
| Mikro-MW-Radio |
| Mini Kurzwellenempfänger |
| Mini-Antenne für die Kurzwelle |
| Mixer |
| Mixer ip Port Reflection Characteristics |
| MK484 One-Chip AM Radio |
| MK484 receiver |
| MK484 Shortwave Radio |
| Multiband Cw Transmitter |
| MW-Empänger |
| Narrow Bandpass Filter |
| Natural radio receiver |
| Pentagramm Antenne |
| Phase-Shifting CW Filter |
| Photos |
| Power Splitter-Combiner |
| Practical Radio Circuits |
| QRP 20m QRP Transceiver VU2ATN |
| QRP 40m QRP Transmitter VU2VWN |
| QRP Elecraft K2 Schematics |
| QRP Elmer 101 - Das Buch |
| QRP Heathkit HW-9 Deluxe QRP Transceiver |
| QRP MFJ-Cub QRP CW Transceiver Manual |
| QRP Pixie II |
| QRP RTX-CW tribanda |
| QRP Selbstbaukurs |
| QRP SoftRock 40 Manual |
| QRP sperimentale in DSB CW per i 20 e i 40 metri (E) |
| QRP sperimentale in DSB CW per i 20 e i 40 metri (I) |
| QRP SPRAT - The Pixie File |
| QRP SSB-CW Transceiver for 14 MHz (1990) |
| QRP SW40 Transceiver |
| QRP Transceiver for 7 MHz (ARRL) |
| QRP Transmitter Design |
| QRP Transmitter MK-II (2006) |
| QRP YU1LM SDR-RX TX |
| Radio & electronics cookbook |
| Radio Electronic Tuning |
| Radio Frequency Switch |
| Radio Shack Special (FM Receiver) |
| Rahmenantenne für Weltempfänger |
| Receiver Considerations for Jupiter |
| RF Amplifier |
| RFI Survey at 20MHz |
| RF-Switch |
| Schmalband FM-Transmitter |
| Schnupperempfänger für DRM |
| SDR Radio |
| Self-Tuning CW Filter |
| SETTING UP THE RADIO TELESCOPE |
| Shoestring MW-Radio |
| Signal-strength display to an FM-receiver (TDA7000) |
| Simple MW-Receiver |
| Simple Short-Wave Transmitter |
| Single Dipole suppl man rev 1-1 |
| Small Loop Antenna |
| S-Meter |
| Sparsames Transistorradio |
| Spontaflex 550khz-30MHZ Receiver |
| SSB AF Filter |
| SSB Audio Filter |
| SSB-CW Filter and AF-Amplifier |
| Superheterodyne Receiver |
| Synchronous noise blankers revisited |
| TDA7000 FM receiver |
| Testing the Receiver and Antenna Together |
| UKW-Prüfsender |
| Universal LF-MF Preamplifier |
| Using a PC with soundcard as a VLF receiver |
| VLF Receiver |
| VLF-Empfang mit dem PC |
| VLF-LW-MW Empfänger |
| Voice Activated Switch (VOX) |
| Xphase c4alle |
| XPhase der Noise-Killer |
| ZN414 Radio |
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- Tutorials (14237)
- Meine Technik / Wobbler (13979)
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- Medien / Presse (12793)
- DSP Hardware-Filter / LM1894 Filter (Homemade) (12535)
- Power Supplys Circuits (12426)
- Meine Technik / Konserven (12095)
- Miscellaneous Circuits (11957)
- Alarm Circuits (11933)
- Elektronik Informationen (11810)
- DSP Hardware-Filter / SSB Audio Filter (Homemade) (11388)
- DSP Hardware-Filter / BHI NEDSP 1061 (10852)
- Control + Infrared Circuits (10685)
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