ELEKTRONİK ENTEGRE VE PIK (PIC): Bobin Hesaplama Programı (inductance calculator)

24 Ocak 2010 Pazar

Bobin Hesaplama Programı (inductance calculator)

Bobin Hesaplama Programı
Bob Stein`in Hazırladığı kurulum gerektirmeyen indiktör ve filtre Hepaplama Programı.Programı Kullanmak
için micro2003b.exe dosyasını çalıştırın
bobin_hesaplama_programi.rar

INDUCTANCE CALCULATOR

Ver 3.0 7-9-92 This program will calculate the following for round copper wire or copper strap:

1 – Inductance of a single-layer coil

2 – Turns in a single-layer coil for a specified inductance

3 – Turns from coil stock of known pitch (turns per inch or turns per cm) for a specified inductance

4 – Inductance of a straight strap
5 – Length of a straight strap for a specified inductance
6 – Inductance of a transmission-line section
7 – Length of transmission line for a specified inductance
8 – Inductance of a wire parallel to and grounded to a ground plane
9 – Length of wire parallel to ground plane for a specified inductance
10 – Inductance of a straight wire
11 – Length of a straight wire for a specified inductance
12 – Inductance of a multi-layer rectangular coil
13 – Inductance of a multi-layer circular coil
14 – Turns in a multi-layer bobbin-wound coil for a specified inductance

The source code, written in GW-Basic, and the compiled program are not copy- righted and are released into the public domain. No claims are made for its accuracy or suitability for any purpose.

Bob Stein

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LED DİRENÇ HESAPLAMA

All LEDs require current limiting, without a current limiting mechanism the LED will usually burn out in under a second. Adding a simple resistor is the easiest way to limit the current. Use the calculator below to find out the value of resistor you require.

For example if you are wanting to power one of our_blank">red LEDs in an automotive application you would see that the typical forward voltage is 2.0 Volts and the maximum continuous forward current is 30mA. Therefore you would enter 14.5, 2.0 and 30 into the Single LED calculation box. After calculating you get 470ohm 1 watt as the result. Here is a that allows you to enter a resistor value and generate the corresponding color code.

Note: For automotive applications use the actual system voltage, not 12 Volts. Most 12 Volt system actually operate at around 14.5 Volts.

Supply Voltage
VOLTS
Voltage Drop Across LED
VOLTS
Desired LED Current
MILLIAMPS

Calculated Limiting Resistor
OHMS
Nearest higher rated 10% resistor

Calculated Resistor Wattage
WATTS
Safe pick is a resistor with
power rating of (common values are .25W, .5W, and 1W)
WATTS

LEDs in series

LM555 - ASTABLE OSCILLATOR CALCULATOR

LM555 - ASTABLE OSCILLATOR CALCULATOR Resistor values are in Ohms (1K = 1000) - Capacitor values are in Microfarads (1uF = 1)

NOTE: The leakage currents of electrolytic capacitors will affect the actual output results of the timers. To compensate for leakage it is often better to use a higher value capacitor and lower value resistances in the timer circuits.

LM555 Astable Oscillator Circuit Diagram

LM555 - ASTABLE CAPACITOR CALCULATOR

The next calculator can find the capacitance needed for a particular output frequency if the values of R1 and R2 are known.

Value Of R1 Ohms	Value Of R2 Ohms
Frequency Desired Hertz

Capacitance uF

IMPORTANT EXPLANATION

IMPORTANT EXPLANATION

Some published diagrams and explanations of this Blog tested will occur when you try some untested and is not responsible for the problem if the attempt does not want to visit does not attempt to remain on their own request is a responsibility

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