OTHERS CIRCUITS / OTROS CIRCUITOS
- High Dynamic Range Noise Blanker
- Noise Blanker
- Line Synchronous Noise Blanker - KA7OEI
- 3xFETs Noise Blanker
- Noise Blanker with Timer
- HF Noise Blanker - DJ7VY
- Left / Right Revolution Counter (for tuning)
- RF Activated Tone Monitor
- PTT Delay Circuit - W3KKC
- Ultrasonic Proximity Detector
- Multi-Q Receive Loop Antenna
- Low-Cost FSK Generator
- Laser-Torch Wireless Communication
- LNB 13V/18V H/V Switch
- RX/TX 27 MHz Wireless Remote Control
- Air-Speed Sensor for Cooling Fan
- RIT for VFO Transceivers
- S-meter 120dB Dynamic Range - DC4KU
- Prevent Thermal Runaway for BJT Power Amplifiers
- Temperature Compensation for X-tal Oscillators - I6MCF
- Simple Dual-Gate MOSFET PLL
- Interference Canceling Circuit - VK5BR
- Cascode Amplifiers - JG1EAD
- Sine to Square Wave Converter - Wenzel
- VFO Temperature Controller
- AM Detector / Squelch Circuit
- 1MHz-step Harmonic Marker Generator
- S-meter 90dB 0-500 MHz - DC4KU
- S-meter 120dB 9 MHz-IF - DC4KU
- 9 MHz and 455 kHz IF amplifier - DC6HCL
- 10 MHz - 1 MHz Marker Generator - OE2TZL
- 9 MHz IF Amplifier - DC4KU
- Proportional Temperature Control for Gunnplexer - W4UCH
- Temperature Fan Regulator for Power Supply
- Lamda Diode with Two JFETS
- Capacitance/Voltage Linearization for Varicap Oscillators
- Realistic S-meter - DJ3NW
- SSB Monitor - G3OGR
- Using Collector/Base junction as a Varicap
- Low Voltage Detector - W6WTU
- TTL-DAC to Generate SAW Tooth
- Rotary Switches Eliminator - WA2FPT
- 10dB Bridge-Tee Pad MOSFET
- Bidirectional Amplifier
- Shape CW Transmitter Keying
- Fan Speed Temperature Controller - DH8AG
- Temperature Protection - DH8AG
- Smart-Squelch for SSB - W9MKV
- Digital Mixer, Low Pass Filter, and x2 Multiplier
- LED Morse Code Decoder
- Optical LED Transmitter
- 455 kHz BFO and Filter for SW Receivers - WB4KTY
- BFO for SSB-CW Short-Wave Receivers
- Antenna BFO
- Lightening Detector Switch - K2AWO
- Coaxial Cables Technical Parameters
- Effective-Noise-Temperature vs Noise-Figure
- High-Linearity Mixer, Diplexer, IF-Amp
- 3-Tones Controlled Relay
- Variable Delay Circuit
- 4-events Relay Sequencer - W6PQL
- Two-Antennas Interference Canceling Circuit - VK8BR