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
Hybrid combiner balance calculator Excel spreadsheet
Identify
Semiconductors Logos ....Surface
mount devices (external links)
Noisefigure measurements, useful Excel 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 or DOSBox)
Evanscent
mode filters (external link to G4JNT.com) :-http://www.g4jnt.com/EVANFILT.pdf
Slotted waveguide antenna calculator (Excel Spreadsheet, W1GHZ derived) en Francais (F1CHF) and English on seperate tabs. Standard WG size selection and single face design.
Offset parabolic antenna feed calculator for determining the feed point of an offset dish (Excel) en Francais, with english translation
The Omni Flyswatter technical notes. An interesting
low gain omnidirctional antenna, possibly of some use for beacons on the mm
bands.