Clean linear amp? Harmonic suppression 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.