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Showing posts with label Skema Antena Radio. Show all posts
Showing posts with label Skema Antena Radio. Show all posts
Monday
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Muhamad Subekti- Trio Star antenna for 2m in PDF - trio star antenna.rar (470kb)
- 9 element YAGI antenna for 2m band
- 75m antenna tuner
- 16 element YAGI for 20m and 70cm
- 70cm vertical antenna
- HF antenna tuner
- Duplexer filter for 2m and 70cm dual band antenna
- 5/8 vertical antenna for 2m
- JPOLE for 440 MHz
- Super JPOLE antenna
- A Feasible Full Sized 40 Meter Beam
- A DISCONE antenna project
- Logperiodic dipole array
- Multi Band Antenna Traps
- 6 Element 1255 MHz Yagi for portable ATV use: about.txt, pic1, pic2, pic3, pic4, pic5
- AF power amplifier with TDA 2002
- Speech processor with elektret mike
- Simple audio preamplif for electret mike
- Microphone preamplifier and filter
- SSB and CW filter, AF amplifier
- Automatic Gain Controll
- Mike compresser
| Fox hunting |
- Fox hunting trcvr control unit with Microhip PIC microcontrollers
- 80m fox hunting receiver
| Frequency meter, digital scale |
- Digital scale with PIC 16F84
- Universal frequency counter & voltage meter (link)
- Second generation of universal frequency counter & voltage meter (link)
- 3.5GHz prescaler (divide by 1000)
- CMOS frequency meter
| Generator |
| Keyers |
| Measuring |
- RF signal meter with LED
- Single chip digital voltmeter with ICL 7129ACPL
- Inductance meter
- S.W.R. meter
- 2400MHz signal source
- DVM with ICL7107 - dvm.zip
| Misc... |
- Universal PTT for digital communications using a sound card
- Wide range gate DIP oscillator
- Collection of quartz crystal ladder filters by S56AL (link)
- RF Calculator for Microsoft Excel spreadsheet program
- RF Isolator Uses Differential Amplifiers
- Tiny Crystal Oscillator with NC7504M5 single-gate AC logic and LP2980 low-dropout 3.3 volt regulator
- Low Distortion Crystal Oscillator
- Battery Monitor with PIC16C71
- A low-cost high-performance RF-powersensor
| Packet radio |
- "Cheap" 1k2 packet radio modem
- TNC2 - version by my friend HA8FY (Zsolt)
- 1K2 packet radio modem with TCM3105
- 1k2 packet radio modem with XR2211
- 1k2 packet radio modem with FX614 (MX614) - schematic
| Power amplifier |
- 2m power amplifier by LA0BY/DF9PY
- 50MHz power amplifier by JH0WJF
- 80m hexfet power amplifier by W7ZOI
- High dynamic range RF amplifier
- 1296MHz high gain amplifier
- 432 MHz kilowatt amplifier by W1QWS
- 350W QRO with GK71 for 160-15m
- 100W HF linear amplifier with MRF454
- One Watt Class-C Amplifier
- 10w HF amplifier with KT907
- 1w HF QRP
- 25w QRO with PL504
- 5w QRP with KT907
- 13cm power amplifier
- Converting a PCS Power Amplifier to 13cm Ham Radio Band
- 23cm 40W PA with M57762
- 23cm 20W PA with M57762
| Power source |
- Finesse Voltage Regulator Noise
- 13.8V/65A power supply
- 1.25-25V/2.5A power supply
- 13.6V / 10A power supply
- ±0-28V power supply
- 13.8 V / 15 A from a PC Power Supply
- Car NiCd Charger
- 1.2-30V/1.5A variable regulated power supply
| RF Preampliers |
- 2 Meter GaAs FET Preamp by KD9JQ
- Generic High Gain 3 Stage IF amplifier
- Front end
- TS711A 1st IF amplifier ~ 16dB gain
- Wide Band High OIP, low noise amplifier
- 6m preamplifier by W1FB
- RF preamplifier by VE7GC
- 1296MHz GaAs FET Premplifiers
- 70cm Preamplifier
- Fet preamplifiers for 2m and 70cm
- Low noise preamplifier for 23cm
- Low noise preamplifier for 50 and 144 MHz
- Bandpass Filters
| RX |
- VHF FM receiver with TDA7000
- 80m direct conversion receiver by VK1PK
- Superhet receiver for 80m band by VK3YE
- 3-30 MHz AM receiver
- Ramsey 40m receiver
- 80m one chip receiver with NE602
- Simple 80 or 40m receiver
| Synthesizers/VFOs |
- CMOS RF synthesizer
- DDS VFO
- 10.1MHz VFO
- DDS / PLL based universal synthesizer by S56AL (link)
- 144 MHz DDS
- HT220 frequency synthesizer by WA4DSY
- 3 band VFO (160-80-40m)
| Transceivers |
- 2m FM transceiver in PDF - 2m.rar (880kb)
- 70cm WBFM transceiver for packet radio by YO5CRI in PDF - 70cm.rar (510kb)
- (SUPER!) T7F - 70cm FM/FSK transceiver by Holger Eckardt, DF2FQ
- Voice Operation with the T7F
- User interface for T7F
- 19200Bps with the T7F
- Schematics and PCB's for T7F
- Terminal for programming the T7F
- 20m 10W SSB transceiver by JF1OZL
- 160m 6W CW transceiver by JF1OZL
- 80m 5W CW transceiver by JF1OZL
- 80m 10W SSB transceiver by JF1OZL
- 70cm QRP SSB transceiver by JF1OZL
- Simple 70cm QRP FM transceiver by JF1OZL
- Simple 6m CW transceiver by VE7GC
- 40m transceiver by K8IQY: GIF1 , GIF2 , GIF3
- Pocket sized 20m (or 30m) single band 4W CW transceiver by S56AL (link)
- 80m 5W SSB/CW transceiver by S56AL (link)
- 6m SSB/CW transceiver by S56AL (link)
- 3W FM transmitter
- 3 band HF transceiver:
- 14 MHz SSB 10mW transceiver by JF1OZL
- 3.5MHz SSB 10w transceiver by JF1OZL
- 50MHz 10mW handy transceiver by JF1OZL
- 430MHz SSB transceiver by JF1OZL
- 7MHz CW transceiver with MC3362 by JG1EAD
- HF 5 bands SSB-CW transceiver by EI9GQ
- 13cm 50mW ATV TRCVR
- 23cm 1.5W ATV TRCVR
- Low-cost ATV 23cm preamp with CF300
- Wideband FM 10GHz transceiver with 30MHz IF
- 2.3GHz ATV transceiver
- 23cm FM ATV transceiver by S51KQ: pic1, pic2, pic3, pic4
- 13cm FM ATV transceiver by ON7IZ: pic1, pic2, pic3, pic4
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