# RF Wireless World

## Home of RF and Wireless Vendors and Resources

One Stop For Your RF and Wireless Need

## IMPATT diode calculator | resonant frequency, CW power

This page IMPATT diode calculator. The formula or equations for resonant frequency and CW power calculation for this IMPATT diode calculator are also mentioned.

Efficiency (η) in % (input1):

Max. operating voltage in V (input2):

Max. operating current in mA (input3):

Carrier Drift Velocity (Vd) in meter/sec (input4):

Drift Region Length (L), in µm (input5):

CW Output Power, in Watts (Output1):

Resonant Frequency, in GHz (Output2):

*Note: Enter values in INPUT boxes and Press CALCULATE button to check OUTPUTS.

EXAMPLE:
INPUTS :
η= 15%, Vo = 100 volts, Io = 200mA, Vd = 2E5, L =6 µm
OUTPUTS:
CW output power = 3 Watts
Resonant Frequency = 16.67 GHz

### IMPATT diode calculator formula or Equations

Following equations or formula are used for IMPATT diode calculator.

Where,
f = Resonant Frequency
P = CW Output Power
Vd = Carrier Drift Velocity
L = Drift region length
η = Efficiency numeric value
Pdc = Operating Power = Max. operating voltage x Max. operating current

### Useful converters and calculators

Following is the list of useful converters and calculators.

dBm to Watt converter
Stripline Impedance calculator
Microstrip line impedance
Antenna G/T
Noise temp. to NF