- 1 Watt AM transmitter for the 10 meter band (28MHz)
- 1.5 volt FM transmitter
- 1.5 volt tracking transmitter
- 1.5V tracking transmitter
- 10W 2M CW transmitter
- 12-meterband QRP AM oscillator transmitter using a 2N2219 transistor
- 1300MHz - 1500MHz transmitter with 20 - 50mW output power
- 144.000 Mhz CW Transmitter
- 15 watt FM transmitter
- 15 watt FM transmitter
- 175KHz inductive pulse transmitter (PDF)
- 2 Transistor FM Voice Transmitter
- 3 Watt FM Transmitter
- 30-Meter QRP Transmitter for Morse Code
- 3-3.5 Watt FM Transmitter
- 4 Transistor Tracking Transmitter
- 4 Watt FM Transmitter
- 4 watt FM transmitter
- 4 watt FM transmitter
- 40 Meter, 5 Watt QRP Transmitter
- 433MHz super remote control using a PIC12F683 to boost range
- 433MHz transmitter using SAW resonator
- 4-transistor transmitter
- 50 MHz crystal controlled audio bugging device
- 500kHz Transmitter design
- 500mW AM transmitter for the 20 meter band (14MHz)
- 500mW FM PLL transmitter 88-108MHz
- 5W Chinese PLL FM Transmitter With LCD Printed Circuit Board (PCB)
- 7MHz QRP transmitter
- 80 Metre CW beacon / transmitter circuit diagram
- 80 Metre DSB Transmitter
- 80m ceramic resonator VXO CW transmitter
- 88-108Mhz FM Radio Transmitter with 3 transistor stages
- A 3m (100 MHz) small bug (ZIP file)
- AM FM Simultaneous Transmitter Using Digital IC (CD4001)
- AM transmitter
- AM Transmitter
- AM Transmitter
- AM transmitter using no power supply
- AM/FM Simultaneous Transmitter Using Digital IC
- BC547 80M SSB QRP Transceiver
- Coilless FM transmitter using CD4069 CMOS hex interverter chip
- Cordless telephone bug
- Crystal controlled transmitter (46.515MHz, 1 transistor FM)
- Crystal controlled transmitter (46.515MHz, 3 transistor FM)
- Digitally controlled FM transmitter with 2 line LCD display
- Europa30, a 10MHz QRP TX
- FM audio bug using BC817 and BRF92
- FM Beacon Broadcast Transmitter (88-108 MHz)
- FM Microphone micro-transmitter that is small and sensitive
- FM Microphone transmitter / FM buf circuit diagram
- FM telephone transmitter
- FM transmitter
- FM transmitter based on Colpitts oscillator design
- FM transmitter bug
- FM transmitter for bird listening
- FM Transmitter using two transistors
- FM Transmitter with range of about 300 feet
- FM Voice Transmitter
- FOX BOX - Transmitter controller
- Ipod Stereo FM transmitter with 1W output power
- KMDTA Wireless Motion Detector Transmitter Kit
- Light sensing RF transmitter
- Long range FM transmitter using 2N3866 for output stage
- Low Power FM Transmitter
- Low Power FM Transmitter
- Low Power PLL FM Transmitter based on LMX1601 and Atmel ATtiny2313 or AT90S2313 microcontroller
- Medium range transmitter circuit
- Medium range transmitter using pair of 2N3904 transistors
- Micro Power FM Broadcasting Circuits
- Micro-Spy with FETs
- Micro-Spy with TTL
- Micro-Spy with USW
- Miniature FM Transmitter
- Miniature FM transmitter
- Miniature FM Transmitter #1
- Miniature FM Transmitter #2
- Miniature FM Transmitter #3
- Miniature tracking transmitter
- MW Transmitter can be used as an inter-room radio telephone
- One transistor FM transmitter / FM bugging device
- One Valve CW transmitter
- PLL based bug transmitter
- Pocket APRS (GPS Position) transmitter
- Pocket Transmitter that can cover 20 to 25 meters with a telescopic antenna
- Powerful AM transmitter
- QRP transmitter circuit diagrams
- Remote RF transmitter based on PIC12F675 or PIC12F629
- RF/SS Handie Hopper Transmitter Schematic
- Sensitive FM Transmitter
- Sensitive FM transmitter
- simple 430MHz band FM transmitter uses only 2 FETtransistors
- Simple CW transmitter for 80M
- Simple RF transmitter
- Single transistor FM transmitter
- Small FM Transmitter
- Small FM transmitter using SMD components
- Small radio transmitter
- Small Radio Transmitter
- THE FOX - 250mw transmitter with timer
- THE FOX - 40 milliwatt transmitter
- THE FOX 750 - 750 milliwatt transmitter
- Tiny FM transmitter using SMD (surface mount devices)
- Tracking transmitter
- Tube Transmitter with 5763 power amplifier
- Two transistor FM transmitter / FM bug
- Two transistor FM transmitter circuit diagram and PCB layout
- Two Valve 40m CW Transmitter
- Wireless FM Transmitter
- Wireless microphone
- Wireless microphone using 741 opamp and 2N3904
- Wireless transmitter for PIR using Holtek HT12E