Projetos de Circuitos Eletrônicos para RF e Antena


  1. 10.7MHz FM detector
  2. 10W HF linear amplifier
  3. 136 kHz direct conversion receiver
  4. 14MHz SSB 10mW Transceiver
  5. 15dB UHF TV Antenna Booster
  6. 175KHz inductive pulse receiver (PDF)
  7. 200-400 MHz voltage controlled oscillator
  8. 222 MHz Transverter
  9. 23cm Data Transceiver
  10. 23cm Wide-Band FM data transceiver for high-speed packet-radio
  11. 2M - 20M transverter
  12. 2MHz RF Oscillator
  13. 2N2222 40 Meter CW/DSB Transceiver
  14. 30m direct conversion receiver
  15. 30M PSK31 Transceiver
  16. 3W FM Transmitter
  17. 3W HF QRP linear amplifier
  18. 40m direct conversion receiver
  19. 42 Mc Band to 88 Mc Band (retrofit converter) Project
  20. 45-70 MHz aerials for TV DX
  21. 45-860MHz Radio receiver based on UV916-tuner
  22. 49MHz walkie-talkie
  23. 5 watt, 80 meter QRP CW Transceiver
  24. 50 MHz to 146 MHz Converter
  25. 500mW HF linear amplifier
  26. 500W HF linear amplifier
  27. 50-150MHz Overtone Oscillator
  28. 50MHz Assistant (Preamp & Power Amp.)
  29. 50MHz Converter
  30. 56K RF Modem
  31. 7MHz SSB Transceiver
  32. 80 Meter CW ARDF receiver
  33. 80/40m Vertical
  34. 802.11b Homebrew WiFi Antenna
  35. 80M ARDF direction finder
  36. 80m Direct Conversion Receiver
  37. 80m direct conversion receiver
  38. 9 dB, 70cm, Collinear Antenna
  39. A compact 2 element beam for 10M
  40. A compact L-match ATU for portable use
  41. A71 VHF antennas for CW/SSB
  42. Active antenna with gain
  43. Advanced VHF power meter
  44. AM BCB radio receiver
  45. AM Broadcast Band Active Antenna
  46. AM Broadcast Band Regenerative Receiver
  47. AM Radio
  48. AM receiver for aircraft communications
  49. AM/FM/SW active antenna
  50. Amplificador de sinais de tv uhf vhf (booster)
  51. AM-Receiver for Aircraft communication (118.250MHz)
  52. An end-fed antenna, L-match coupler and resistive bridge for HF
  53. Antena de 7 MHz de alta ganancia
  54. Antena de tamanho reduzido para 10/15/40/80 e 20m
  55. Antena para Cacerías de Zorro en 144 MHz
  56. Antena para VHF
  57. ANTENA YAGI A PARTIR DE UNA LATA DE PATATAS PRINGLES
  58. Antennae for the Low Bands..80 and 160m
  59. Assorted RF circuits
  60. Basic RF oscillator
  61. Bug detector
  62. Bug detector
  63. Build your own VLF Receiver
  64. Building a Simple LF Exciter
  65. Car radio tunes the Amateur Bands
  66. Class B series modulator
  67. CMOS RF PLL sythesizer
  68. Compact 20 14 MHz direct conversion receiver
  69. Convert 2m VHF FM PMR transceiver Motorola Radius M110 into an amateur radio
  70. Crystal radio
  71. Crystal radio
  72. Crystal radio circuits including diode performance comparison
  73. Crystal set that requires no antenna
  74. CW RECEIVER 40/80 meter CW receiver
  75. CW zero beat indicator (PDF)
  76. Demodulator Schematic/Design
  77. Digital Automatic Gain Control (AGC)
  78. DIRECIONAMENTO DE ANTENA PARABÓLICA UNIVERSAL
  79. Direction finder system
  80. DSBSC (Double Side Band Supressed Carrier)
  81. Economoy short-wave radio
  82. External antenna for the GPS-38, Magellan 2000, or Eagle Explorer GPS receivers
  83. F6ITV, ALL HF BAND ANTENNA - 22m
  84. FM Bug
  85. Four channel RF remote control
  86. Four Channel Wireless Transmitter and Receiver
  87. Frequency Synthesizer
  88. Generic VHF power amplifier
  89. Ham Band VFO
  90. Harmonic oscillator
  91. Hear Amateurs on your FM Radio!
  92. Hear Amateurs on your Shortwave Radio!
  93. HF Signal generator
  94. How to Build a 300MHz AM, RF Remote Control System
  95. How To Build A Tin Can Waveguide WiFi Antenna
  96. Huge LED Antenna Direction Display (part 1)
  97. Huge LED Antenna Direction Display (part 2)
  98. ICOM CI-V interface with RS232 RTS to PTT
  99. Improved CMOS RF PLL sythesizer
  100. Improved FM Stereo Modulator
  101. L-Band PHEMT LNA for GPS, Inmarsat etc
  102. LF to HF Converter
  103. Linearized RF detector
  104. Morse Adaptor for your VHF/UHF FM rig
  105. One transistor FM receiver
  106. One transistor regenerative receiver
  107. One Watt 2.45 GHz Linear Amplifier
  108. Op-Amp Radio
  109. Phased lock loop schematic
  110. Phasing SSB exciter
  111. PLL FM transmitter
  112. PLL synthesizing oscillator (1)
  113. PLL synthesizing oscillator (2)
  114. PLL synthesizing oscillator (3)
  115. Popcorn direct conversion receiver
  116. Q-multiplier
  117. Radio Control Electric Switch
  118. Receiver
  119. Receiver building blocks
  120. Regenerative shortwave receiver
  121. RF actuated CW monitor
  122. RF front-end for triple conversion GPS receiver
  123. RF Modem Robotics Project
  124. RF Sniffer <.5 to >500 MHz
  125. RTTY terminal unit
  126. RX3302 receiver module schematic
  127. Shortwave conveter for scanners
  128. Simple AM Radio Receiver & Amplifier
  129. Simple Op-Amp Radio
  130. Simple wireless radio data link
  131. Smooth Tone Clickless CW Sidetone Generator
  132. SOP direct conversion receiver
  133. SOP receiver (PDF)
  134. Super 80 ultra-simple SSB receiver for 3.5 MHz
  135. Super Antena ARTESANAL para telefonía celular
  136. Superregenerative 27MHz receiver
  137. Synthesized HF receiver
  138. Talking receiver
  139. TBA120 narrowband FM receiver
  140. TDA7000 receiver
  141. The MRX-40 Mini Receiver
  142. Toroidal coil RF shortwave receiver
  143. TRF AM Receiver circuit
  144. TV Signal Amplifier
  145. Two-band radio
  146. UHF - 100W Transistorized amplifier
  147. UHF oscillator
  148. Variety of receiver converter projects
  149. VCO 20MHz
  150. VFO from 2001 ARRL Handbook, page 14.20
  151. VFO from 2001 ARRL Handbook, page 17.74
  152. Vibrating pocket bug detector
  153. VLF radio receiver schematic
  154. WLW 500KW Transmitter Schematic
  155. Yaesu band decoder schematic
  156. Yaesu FT-736R doppler compensation
  157. ZN414 receivers

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