This is a site dedicated to the design of microwave components. Microwave combiners are covered in the dedicated combiner site.
Coaxial and related: circular and rectangular.
Microstrip: synthesis and analysis, loss and Ereff with frequency, single dielectric, suspended, choice of substrate from a catalog.
Stripline: classic homogeneous, slabline, powerline, both sythesis and analysis, choice of substrate from a catalog.
Parallel Couplers: Single stage parallel couplers in microstrip, stripline, slabline, broadside, cpw. Analysis andf sythesis with choice of substrate from a catalog. Graphs of loss, phase, rho, smith with frequency. Odd even mode compensation.
Stepped Line Transformer: Microstrip stepped line transformers, ideal and with step compensation. Graphs of loss, phase, rho, smith with frequency.
This is a site dedicated to the design of microwave filters and couplers.
Interdigital filters: Design and analysis of quarter wave filters both Butterworth and Chebychev type 1 bandpass. Graphs for loss, group delay, rho, smith.
Microstrip Parallel Coupled Filters: Design and analysis, choice of substrate from a catalog. Graphs for loss, group delay, rho, smith.
Microstrip Gap Coupled Filters: Design and analysis, choice of substrate from a catalog. Graphs for loss, group delay, rho, smith.
Multistep Parallel Couplers: Custom for arbitrary designs both symettrical and asymettrical, classical symettrical U couplers, classical asymettrical couplers, inverted U symettrical. Choice of microstrip substrate from a catalog. Graphs for loss, group delay, rho and smith.
Splitters as compact designs: Webb, Scandelletti, Lumped. Bagley multiport splitters 3, 5, 7, 9 and 4, 6.
This is a site dedicated to the design of various type of power combiners.
Wilkinson: Classic single stage 2:1, input/output synthesis and analysis. Graphs of combined power, rho, smith, isolation and dissapation under various load fault conditions. Choice of substrate for microstrip designs.
Triway coupler: using lumped elements, with or without an integrated low pass filter.
Quadway coupler: An inline clasis with 2:2:1 and 4: 1 inline designs.
Hybrid: classical 3db hybrid from lumped elements for power designs. Synthesis, analysis, power dissapation. Grpahs for combined power, phase, rho, smith. Component voltages and currents.
Power components: Capacitors and inductors for power designs.
This is a site dedicated to propagation analysis using the Longley Rice Equations and anxilary propagation function.
A suitable area of the world is choosen. The location of the transmitter choosen. A suitable end point for a link is choosen by switching between the general map mode and terrain maps.
Switching to the Link mode the transmitter aand receiver parameters are used for a link analysis. Switch to the Broadcast mode for a coverage analysis, including selection of popular antennae.
Propagation analysis using the classical, Friis, Egli, Line of Sight, EIRP, Free space, Sensitivity, Great circle, Fresnel Zone analysis methods.
Power pads: Phi and T resistive power pads. Design analysis. Dissapation, voltages, currents, power when the drive power is supplied.
Waveguide: A dimension table for standard rectangular and circular waveguides.
Meteorology: Understand the weather forecast.
This is a sub site of the propagation analysis site.
The Yagi_Uda set of wires is analysed, radiation patterns plotted. Both Normal Yagi a nd Log Yagi, complete with radiation patterns.
Various Horn designs. The E plane horn, H plane horn, Pyramid horn, conical horn. Completed with radiation patterns.
The Helical antenna. The Axial, Hansen-Woodyard and Normal formats can be designed. Completed with radiation patterns.
Isotropic Arrays in various formats: Linear, non-linear, planar, circular Completed with radiation patterns.
This is a site dedicated FM broadcast equipment.
Stereo Encoder: A pure digital stereo encoder using an asynchronous DSP sample loop.
RDS Encoder: A pure digital rds encoder using a novel symbolic modulator.
SNMP: A discussion and description of SNMP software for monitoring and control of FM transmitters.
Software: Various components for incorporation in a software mixer.