Clean linear amp? Harmonic suppression
Dual band antenna? Diplexer 2m / 6m (Updated 5/2/00)
12V to 24V 0.5A DC-DC inverter by DC9XG with additions by GM4ISM
Need to combine several Power Amplifiers ? various hybrid couplers including the Bagley Polygon
TVI Filter.. Help to remove your transmissions from your television set.
VSWR to Return loss conversion table
Identify Semiconductors Logos ....Surface mount devices (external links)
measurements, useful spreadsheet , calc ENR
with known nf and Y factor and calculate nf from known ENR and y factor.
Software:- Iris coupled waveguide filters (Dos executable runs ok under XP)
Slotted waveguide antenna calculator
(Excel Spreadsheet, W1GHz derived) en Francais and English on seperate tabs
parabolic antenna feed calculator (Excel) en Francais
The Omni Flyswatter technical notes. An interesting low gain omnidirctional antenna, possibly of some use for beacons on the mm bands.
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