High frequency electronics toolbox for Microwave engineers, RF professionals, EMC technicians, radio-amateur,students, astronomer and electronic hobbyists.

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This lite version includes the following tools:

1) PI and T attenuator
2) Reflectometer (VSWR, Return loss)
3) Mismatch error limits (VSWR, Return loss)
4) Parallel LCR impedance/resonance
5) Capacitor impedance
6) Lowpass filter
7) Capacitor plate calculator
8) Power and Voltage Converter
9) Coupler directivity calculator.
10) Wavelength calculator
11) Skin depth (DC and AC resistance)
12) Microstrip line calculator

Tools in full version includes;

1) Noise floor (Kelvin,dBm)
2) Amplifier cascade (NF, Gain, P1db, OIP2, OIP3)
3) Radar equation (2-way path loss)
4) Radio equation (1-way path loss)
5) Power and voltage converter (W,dBm,V,dBµV)
6) Field intensity and power density converter (W/m2, V/m, A/m, Tesla, Gauss,dBm, W)
7) Mismatch error limits (VSWR, Return loss)
8) Reflectometer (VSWR, Return loss)
9) Mitered Bend
10) Divider and Couplers (Wilkinson, Rat race, Branchline , microstrip and lumped)
11) Balanced and und balanced PI and T attenuator
12) Skin depth (DC and AC resistance)
13) PCB Trace calculator (impedance/dimensions)
- Microstrip
- Stripline
- Coplanar waveguide
- Coupled microstrip
- Coupled stripline
14) Image rejection (amplitude and phase imbalance)
15) Mixer harmonics (up and down convertion)
16) Helical antenna
17) Peak to RMS (peak, RMS, average, CF)
18) Air Core Inductor Inductance
19) Parallel plate Capacitor
20) PI, T and L attenuator
21) Ohm's Law
22) Parallel LCR impedance/resonance
23) Series LCR impedance/resonance
24) Inductor impedance
25) Capacitance impedance
26) Antenna temperature (Kelvin)
27) Radar Cross Section (RCS) calculator (Sphere,Cylinder, flat plate, corners, dBsm)
28) Noise Figure Y-Factor Methode
29) EMC (EIRP, ERP, dBµV/m)
30) Noise figure converter (dB, linear, Kelvin)
31) Frequency Band Designations (IEEE Radar band, Military Radar band, Radio band, Satellite, Waveguide band)
32) Resistor color code (reverse lookup, 3 to 6 band)
33) Filter Design (Butterworth, Chebyshev, prototype):
- Low pass
- High pass filter
- Band pass
- Band stop filter
34) µ-Filter Design (microstrip, stripline):
- Interchange of Circuits
- Kuroda's Identities
- Series and Shunt Circuit lines
- Coupled line Circuits
- Stepped Impedance
35) PCB Trace Width and Clearance Calculator
36) Series and Parallel component (R, L and C) calculations.
37) Reverse Series and Parallel resistor calculations.
38) Inductor Color Code Calculator.
39) Capacitor Charge Calculator.
40) Led Resistor Calculator.
41) Voltage Divider Calculator.
42) Thin Film Resistor Calculator (Trim and non Trim)
43) Opamp Calculator
44) Lumped Balun Calculator
45) Wavelength calculator
46) L-Network Matching Calculator
47) LCR Parallel - Series Conversion Calculator
48) PI & T-Network Matching Calculator
49) Coax Line Calculator
50) Twisted pair Calculator
51) Lumped-Distributed Equivalences calculator
52) Fresnel Calculator
53) Inductor Charge Calculator.
54) Heat Sink temperature calculator
55) Thermal via calculator
56) Coupler directivity calculator
57) Cavity resonance calculator
58) Resistor SMD Code calculator
59) Waveguide calculator
60) Lumped phase shifter calculator
61) Series section impedance matching transformers
- Series section transformer
- Quarter Wave transformer
- Bramham (12th wave) transformer
- Regier transformer
62) Power (dBm) add calculator
63) Doherty PA calculator
64) Novel Three-Way Doherty PA calculator
65) Conventional Three-Way Doherty PA calculator
66) Circular Waveguide calculator

Recent changes:
Changed color scheme of the app