Technical Info

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)

   Noisefigure 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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