# Current and Future Topics covered in RF calculator.

The following topics are covered, some are covered by more than one calculator:

- Antennas, Gain and field strength, Effective antenna area, Field Strength, Field Regions

- Filters (analog). Butterworth and Chebychev designs, Interdigital and L-Match

- EMC, Radiated and Conducted Immunity system calculation, SAR (Specific Absorption Rate)

- Radar, Doppler, Range, Target Sim

- Shielding, Plane wave, Near Field, Skin effect , Wave Guide cutoff frequency and Cavity resonance

- DSP, FIR Filter coefficient calculation

- Transmission line impedance of many structures

- Unit conversions, Power, RF Fields

- Basic electrical calculations, parallel resistors, series capacitors.

- Resistive attenuators, VSWR improvement

- General RF, Cascaded amplifiers, Coaxial line impedance, IP3, Passive Inter-modulation

- Number conversion [ Decimal - Octal - Hexadecimal ]

- Power factor compensation inductive loads