Hits
QRP 1:1 Current_type_Balun
For this 1:1 balun I used heatshrink to encase 35 ferrite beads FB-73-2401, 0.38" O.D., 0.197" I.D., 5 beads at atime, for a total seven 5-bead assemblies
post 01 Jul 2024
Microphone Setting Links →
Microphne connections
During the past eleven years many hours have been spent drawing diagrams producing photographs, compiling these lists and cross
MH-31 installation and other portable microphones
I have described the function of an HF clipper on my website and here I go into some special features of the HF clipper for the FT-817
Microphone boom headset for the FT-897
Whilst experimenting with various microphones for use with the FT-897, I realised that a boom headset would be a useful accessory
D 104 Microphone wiring information, mods and circuits
Noise Canceling Condenser Microphone
Noise Canceling Electret condenser microphones are a great choice for noise-canceling applications
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During the past eleven years many hours have been spent drawing diagrams producing photographs, compiling these lists and cross
I have described the function of an HF clipper on my website and here I go into some special features of the HF clipper for the FT-817
Whilst experimenting with various microphones for use with the FT-897, I realised that a boom headset would be a useful accessory
Noise Canceling Electret condenser microphones are a great choice for noise-canceling applications
23cm Yagi Antenna building Finished antenna at 1275 MHz SWR under 1:1.5 at resonant frequency
50 MHz preamp Gain 26dB with the BFG135 Preamps for 144 and 430 MHz, for 50 MHz, the BFG135a is a cheap transistor and in my view rather strong. It is not easily damaged by static discharge or RF power. FG connection
Interface-for-digital-broadcasts-with-integrated-audio 4-port HUB, with a TUSB2046. With port 1 of the HUB we drive the FT232RL; with port 2 the PCM2904, furthermore, we decided to leave ports 3 and 4 free