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 HF & VHF Wireless Equipment Accessories

 

 

 FM RADIO: PIC18F25K22 and TEA5767 Project
A simple PIC18F25K22 based FM Radio for Philips TEA5767 Module. Has 2x16 LCD and a 3W Audio Power Amplifier.

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 HF Antenna Analyzer
 
PIC 18F2550/2553 Based HF antenna analyzer uses AD9851 DDS and AD8307 for accurate plots on your PC. USB powered.

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 HF/VHF SIGNAL GENERATOR / VFO USING Si5351

FD-SIGEN-0517 is a GP VFO using si5351 and is suitable for using as an OSC for a Receiver or a Transmitter. 

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 HF Splitter/Combiner for 50 or 75 ohms
 
HF Cobiner/Splitter for Receiving antenna or test bench. 50 or 75 ohms.

Kits are available with powder coated metal case.

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  HF Receiving antenna Balun
  
 

Receiving antenna Balun may be configured for 1:1, 1:4 or 1:9.

Ideal for Dipole & end-fire antennas.

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  40db Attenuator for HF
 
 

40db RF Attenuator is basically designed for PM3A RF Power Meter. However, It may be used for any HF RF measuring purpose as well.

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 Antenna Matching Balun for QRP Rigs

A simple two toroid antenna matching balun is ideal for portable units. Provides 50 Ohms, 25 Ohms and 12.5 Ohms to Antenna.

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 RF Power Amplifier Controller

PIC18F4550 Controller will monitors Temp, Bias, Voltage, Current and FWD/SWR of a multi module RF Power Amplifier

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