Radio Frequency (RF) Circuits (06)

Circuit Collection: HF-VHF-UHF, Microwave, 900MHz, 2.4GHz, AM-FM-ASK-FSK-PSK, SSB-DSBSC. Transmitter and Receiver, Modulator-Demodulator, Amplifier, Oscillator, WiFi Radio, GSM Radio, Wireless devices, Synthesizer, PLL, AGC, Measurement & Metering, Fox Hunting, Direction Finder, GPS

About Project Links

• Li’l 7 AM Transmitter Schematic
• Wireless microphone
• XTAL locked tone transmitter
• AM oscillator for wireless microphones
• Wireless microphone
• 1W CW Transmitter
• 433MHz transmitter using SAW resonator
• A 3m (100 MHz) small bug
• Basic FM Transmitter
• Micro Power AM Broadcast Transmitter
• FM Beacon Transmitter (88-108 MHz)
• 1 valve CW transmitter
• 250mW HF CW transmitter
• 2 valve CW transmitter
• Transmitter using LM317
• 5 Watt HF CW transmitter
• Simple FM microphone
• FM bug
• High power FM bug
• 27MHz AM/CW transmitter
• Easy 2-meter transmitter
• QRP HF transmitter
• Spark gap transmitter
• QRP SSB transmitter
• Crystal controlled FM transmitter
• 150mW FM transmitter
• FM transmitter
• Simple Low FER Transmitter
• 7Mhz AM/CW Amateur Radio Transmitter
• VHF FM transmitter
• Simple FM transmitter
• Wireless microphone
• Shortwave radio transmitter
• 175KHz inductive pulse transmitter (PDF)
• 7MHz QRP transmitter
• Small Radio Transmitter
• FM Telephone Transmitter
• 4 watt FM transmitter
• FM transmitter bug
• Small radio transmitter