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**ELECTRICAL FORMULAS **

**Air Coil Winding Chart**

Complete from inductance in microhenries, Number of Turns etc.

**Antenna Introduction Basic**

Antennas formulae with problem and solution. Real antennas are different, however, and do not

have an ideal radiation distribution. Energy varies with

angular displacement and losses occur due to sidelobes.

**Antenna Formulas **

With terms and calculations. This terms is traditionally tied to the recieve antenna factor, the

ratio of field strength at the location of the antenna to the output voltage across the load connected to the antenna.

**Standard Antenna**

Terms and Related Formulas, A surface, near or on an

antenna, on which it is convenient to make

assumptions regarding the field values for the

purpose of computing fields at external points.

**BJT Formula Summary**

For the pnp device, reverse the directions of all current labels and reverse

the order of subscripts involving node

**Cable Design Equations—Coaxial Cable Formulae**

Coax cable capacitance, coax cable velocity of propagation, time delay, impedance, cut off frequency,

**Coaxial Transmission Lines**

Electrical Properties, Relative propagation velocity, Capacitance, Maximum operating frequency, Peak power rating, RF peak voltage

**Electromagnetic Relationships and Formulas**

Impedance (for an inductor), Core Constant, Inductance L, Attentuation, Magnetic Field Intensity (H), Magnetic Flux Density (B), Inductance (L), Quality Factor (Q)

**Inductance Calculation Techniques**

Approximations and Handbook, In the second part of this two parts series on inductance calculation techniques, approximation techniques and handbook methods

**Antenna Circuit Design for RFID Applications**

Passive RFID tags utilize an induced antenna coil

voltage for operation. This induced AC voltage is

rectified to provide a voltage source for the device. As

the DC voltage reaches a certain level, the device

starts operating.

**Microstrip Line Impedances**

Dielectric Constant, Effective Dielectric Constant.

**Complete electronics Formulas and fundamentals**

Antenna,Radar Equations, Radar and receiver characteristics and test, Microwave rf components, Electro optics and IR, Aircraft dynamics considerations,

Data transfer busse.

**Engineering Reference - Equations**

Voltage Reflection Coefficient, Effective Aperature Related to Gain of Antenna, Characteristic Impedance of Free Space, Friis Transmission Equation.

**Voltage Standing Wave Ratio**

When a transmission line is terminated with an impedance, ZL, that is not equal to the characteristic impedance of

the transmission line, ZO, not all of the incident power is absorbed by the termination.

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