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Doppelquad antenna for 23cm
The Doppelquad is a well-tried antenna. New here is only the metallically grounded construction and the calculation for the 23cm band
post 26 Jun 2024
Antenna 23cm 1.2 GHz Links →
23cm L-Band Helix Antenna Array
For 23 cm 1269 MHz SSB operation on AO-40 a nominal 1500 watts ERP of uplink power is required
23cm LDMOS Power Amplifier
The MRF9060 is rated at a minimum of 60W CW output at 950MHz and the MRF9045 at 40 Watts
23CM Quad Antenna
My first 23 cm Quad Antenna implementation
23cm interdigital filters
Filter for atv and ssb for 100 euro, attenuation on 950mhz 60db, on 1800mhz 80db and on the second harmonic 55db
23cm Signal Generator
This signal generator uses a free-running L-band VCO as it's source
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For 23 cm 1269 MHz SSB operation on AO-40 a nominal 1500 watts ERP of uplink power is required
The MRF9060 is rated at a minimum of 60W CW output at 950MHz and the MRF9045 at 40 Watts
My first 23 cm Quad Antenna implementation
Filter for atv and ssb for 100 euro, attenuation on 950mhz 60db, on 1800mhz 80db and on the second harmonic 55db
This signal generator uses a free-running L-band VCO as it's source
PIC-Keyer This project describes the construction of a real "QRP" keyer with a small microcontroller PIC 16F84, with slightly modified hardware also PIC16F62
Radioassistance Radioassistance E Kenwood Dealer, vendita ricetrasmittenti, antenne, parti di ricambio, elettronica
Conrad Electronic Electronic components online shop in German and Italian