RF-Calkulator

Wavelength Calculator
Wavelength (meters)
Wavelength (feet)
Frequency (MHz)

Resonance Calculator
Inductance (µH)
Capacity (pF)
Frequency (MHz)

The Ohm's Law
Voltage (V)
Current (A)
Resistence (Ohm)

Air Condensers Calculator
Surface (square cm)
Separation (mm)
Capacity (pF)

Coils Calculator


Input Values
Desired inductance (µH) Wire diameter (mm) Diameter of coil form (cm)

Output Values
Overall coil diameter (cm) Average coil diameter (cm)
Depth of coil (mm) Length of coil (cm)
Length of wire (m) Number of layers
Number of turns Number of turns per layer
Actual inductance (µH) Coil DC resistance (Ohm)

Toroid Calculator

Required inductance: µH

Size: Material:

Turns on gives inductance of µH

Antall tørn i en spole med ett lag

Formel:
Induktivitet (uH) [L]
Lengden på spolen [l]
Utvendig radius [r]
 Alle mål i millimeter
Antall tørn [N]