Advertisement
ADF4158 PLL strange moving spurs – Circuit Schematic
ADF4158 PLL strange moving spurs
On the 10 MHz fundamental I only measure the HP8562E PN flloor meaning that the TCXO phase noise is better than the spectrum analyzer noise floor. I`ve measured...
From Crystal Sets To 405 Line television – Circuit Schematic
From Crystal Sets To 405 Line television
A valve radio receiver in its crudest form is a frequency determining tuned circuit, (consisting of an inductor and capacitor in parallel) followed by a series ...
70 MHz Transverter – Circuit Schematic
70 MHz Transverter
A transverter on a range of 70 MHz. With access to the transceiver KENWOOD TR-751A (144 - 146 MHz), which was already prepared to work with the transverter DB6N...
The R2 Single Sideband Direct Conversion Receiver – Circuit Schematic
The R2 Single Sideband Direct Conversion Receiver
The old common-base audio preamp, having a noise figure of 5dB is an obvious target to improve the noise figure. A common-emitter configuration, with shunt feed...
Radio Hat – Circuit Schematic
Radio Hat
The Radio Hat was a portable radio built into a pith helmet that would bring in stations within a 20 mile (32km) radius. It was introduced in early 1949 for $7....
Electronics/Transmitter design – Circuit Schematic
Electronics/Transmitter design
For a fixed frequency transmitter one commonly used method is to use a resonant quartz crystal in a Crystal oscillator to fix the frequency. For transmitter whe...
Amplitude modulation – Circuit Schematic
Amplitude modulation
Amplitude modulation (AM) is a technique used in electronic communication, most commonly for transmitting information via a radio carrier wave. AM works by vary...
A8V W8EXI 6CL6 One Tube Transmitter – Circuit Schematic
A8V W8EXI 6CL6 One Tube Transmitter
A8V W8EXI 6CL6 One Tube Transmitter. The operation of the 6CL6 transmitter is actually quite sophisticated.....
Wideband DTV UHF Antenna TV Amplifier – Circuit Schematic
Wideband DTV UHF Antenna TV Amplifier
This Wideband DTV UHF Antenna TV Amplifier has a total gain of 10 to 15 dB in the 400 850 MHz domain frequency.....
Transmitter - Received AM radio – Circuit Schematic
Transmitter - Received AM radio
Using ceramic tuning 3. 587 mhz resonator and resonator filters are also sold with a value of 5. 5mhz, 7. 7 mhz and 10. 7 mhz. Distance transmitter range is app...
RF Amplifier/Detector Switch Circuit Card Schematic Diagram (Assembly A13) – Circuit Schematic
RF Amplifier/Detector Switch Circuit Card Schematic Diagram (Assembly A13)
...
Load/500-kHz filter circuit card schematic diagram (assembly A1) – Circuit Schematic
Load/500-kHz filter circuit card schematic diagram (assembly A1)
...
500-kHz Filter Circuit Simplified Schematic Diagram – Circuit Schematic
500-kHz Filter Circuit Simplified Schematic Diagram
...
Transmitter test circuit schematic diagram of synchronous indicator under test – Circuit Schematic
Transmitter test circuit schematic diagram of synchronous indicator under test
...
simple and powerful FM transmitter – Circuit Schematic
simple and powerful FM transmitter
simple and powerful FM transmitter is a interesting project using one transistor range of 100 M circuit diagram with description of FM transmitter various inter...
simple and powerful F.M. Receiver – Circuit Schematic
simple and powerful F.M. Receiver
Communication in F.M. band is easy.circuit diagram with description of Power Full F.M. receiver using single IC receive 88 MHz to 108 MHz frequency in F.M. band...
A SIMPLE FM JAMMER CIRCUIT – Circuit Schematic
A SIMPLE FM JAMMER CIRCUIT
...
FM Jammer – Circuit Schematic
FM Jammer
...
rf Can I merge two impedance matching circuits – Circuit Schematic
rf Can I merge two impedance matching circuits
Place the transciever and the chip antenna very close, then there is no need for a 50 ohm transmission line right If so, can I somehow merge those two matching ...
What do I need for a basic RF circuit – Circuit Schematic
What do I need for a basic RF circuit
The purpose of this circuit is for research and education. If anyone knows where I can get parts for simple RF circuits or even a tutorial or schematic that wou...