Electronics Calculators

1. Electronics
   1. Resistor color chart
   2. Ohm's Law
   3. LED current limiter
   4. Logic tables
   5. Resistivity
   6. Temperature Dependence of Resistivity
   7. Conductance in Parallel
   8. Conductance
   9. AC Power in Resistive Circuits
   10. Form Factor
   11. Inductance in Series
   12. Inductance in Parallel
   13. Two Inductors in Parallel
   14. Quality Factor
   15. Distributed Capacitance
   16. Self-Resonant Frequency
   17. Apparent Inductance and Q
   18. Single-Layer Coil
   19. Straight Wire in Free Space
   20. Straight Wire Parallel to a Ground Plane with One-end grounded
   21. Inductance
   22. Mutual Inductance
   23. Inductors in Series with Mutual Inductance
   24. Two Capacitors in Series
   25. Charge of a Capacitor
   26. Energy Stored by a Capacitor
   27. Capacitance of Coaxial Cables of Cylinders
   28. Inductive
   29. Capacitive
   30. Reactance in Series of the Same Kind
   31. Reactance in Parallel of the Same Kind
   32. Two Reactances in Parallel of the Same Kind
   33. Reactances of Different Kinds in Series
   34. Reactances of Different Kinds in Parallel
   35. Charge of a RC Circuit
   36. RC Circuit Discharge
   37. RC Coupling Pulse Droop (General Case)
   38. RC Coupling Pulse Droop (10 percent)
   39. Pulse Droop
   40. Pulse Rise Time (Band Limited Case)
   41. Pulse Tilt (Band Limited Case)
   42. Impedance
   43. Capacitance
   44. Inductance
   45. Cutoff Frequency
   46. Time Delay
   47. Velocity of Propagation (Percent of the Speed of Light)
   48. Reflection Coefficient
   49. Voltage Standing Wave Ratio
   50. Peak Voltage on the Cable
   51. Attenuation Per 100 Feet
   52. Microstrip Effective Wavelength
   53. Electrical Length (in degrees)
   54. Input Impedance
   55. Transmission Line Impedance Matching
   56. Constant-k Filter Settings
   57. Butterworth Filter Frequency Response
   58. Chebyshev Filter Frequency Response
   59. Chebyshev Filter Group Delay
   60. Bridge Balun
   61. Turns Ratio
   62. Secondary Voltage
   63. Impedance Ratio
   64. Secondary Impedance
   65. Primary Impedance
   66. Core Area
   67. Primary Turns
   68. Primary Current
   69. Primary Turns: Faraday's Law
   70. Magnetizing Force: Amperes' Law
   71. Winding Factor
   72. Feedback Turns
   73. Feedback Current
   74. all Output Voltage
   75. Pull-Up Resistors for TTL
   76. Maximum Available Power Gain (MAG)
   77. Optimum Load Resistance for Match
   78. Optimum Source Resistance for Match
   79. Power Gain for any Source and Load Resistance
   80. Common Emitter
   81. Common Base
   82. Common Collector
   83. Load Resistance Maximum
   84. Diode Characteristics
   85. Low-Frequency Operational Limit
   86. Power Gain
   87. Power Gain at Other Than Resonance
   88. Bandwidth
   89. Stability
   90. Oscillators
   91. Rollett's Stability Factor (K)
   92. Linvill C Factor
   93. Maximum Stable Gain
   94. Maximum Available Gain
   95. Unilateral Gain
   96. Center of the Constant-Gain Circle
   97. Radius of the Constant-Gain Circle
   98. Equivalent Signal Differential (ESD)
   99. Mean Square Noise Voltage
   100. Maximum Available Nose Power for Conjugate Matching
   101. Effective Noise Temperature
   102. Cascade Noise Temperature
   103. Transmission-Line Effective Noise Temperature
   104. Atmospheric Loss and Noise Temperature
   105. Noise Temperature of Lossy Components
   106. Noise Factor of Networks (General Case)
   107. Effective Area of Isotropic Antenna
   108. Antenna Effective Area
   109. Gain Measurement: Two-Antenna System
   110. Antenna above a Ground Plane
   111. Top Loading by a Disk of Radius r
   112. Radiation Resistance
   113. Length of a Half Dipole
   114. Radiation Resistance - General Case
   115. Electric Field (in the Dipole Plane)
   116. Center-Fed Wire
   117. Center-Fed Harmonic Doublet
   118. Beverage Antenna
   119. Half-Wave Antenna
   120. Gain (Referred to a Dipole)
   121. Beam Width
   122. Focal Length
   123. Parabolic Reflector Spincasting
   124. Horn Antenna Design
   125. Beam Width (Half Power)
   126. Null Beam Width (Between Nulls)
   127. Helical Antenna Electric Field
   128. Loop Antenna Electric Field
   129. Range to Target
   130. Unambiguous Range
   131. The Effective Radiated Power (ERP)
   132. Power Density at a Distance R
   133. Power Density at the Receiving Antenna
   134. Power Received by a Radar Antenna of Area Ar
   135. Antenna Gain-To-Area Relationships
   136. Common Transmit/Receive Antenna
   137. Radar Range Maximum
   138. Sphere
   139. Cone Axial Exposure
   140. Paraboloid-Axial Exposure
   141. Prolate Spheroid-Axial Exposure
   142. Radar Receiver Noise
   143. Received Noise Factor (NF) and Noise Factor (F)
   144. Idea Integrator
   145. Nonideal Case
   146. Time Between False Alarms
   147. Probability of False Alarm
   148. Beat Frequency
   149. Range
   150. Normalizing Two Signals of Unequal Power
   151. Intercept Point Given Distortion
   152. Spurious Free Dynamic Range
   153. Radio Horizon
   154. Fresnel Interference Zones
   155. Wavelength
   156. Sinusoidal Case
   157. Complex Modulation Case
   158. AM Spectral Energy
   159. Upward Modulation
   160. Downward Modulation
   161. Amplitude Modulation Signal-To-Noise Ratio
   162. Detection Error Probability
   163. Coherent Amplitude Shift Keying Detection probability of Error
   164. Pulse Modulation Spectrum
   165. For Upper-Sideband Transmission
   166. For Lower-Sideband Transmission
   167. Frequency Modulation (FM) Index
   168. Carson's rule
   169. Modulation Noise Improvement Factor
   170. FSK Spectral Envelope
   171. RF and IF Filter-Bandwidth
   172. Above Threshold (Where S/N > 10)
   173. Below Threshold (Where S/N < 10)
   174. Phase-Shift Keying Spectrum
   175. Signal Reference Derived Detection
   176. Voltage-Controlled Oscillator (VCO)
   177. Eccentricity
   178. Velocity of Sound in Air
   179. Volume Units (VU)
   180. Sonar Attenuation
   181. Passive Sonar Case (Noise-limited)
   182. Active Sonar Case
   183. Constant-Deceleration Case
   184. Linear Deceleration Case
   185. Vibration Amplitude
   186. Required Flow for Fan Cooling
   187. Fan Pressure Head
   188. Air Stream Temperature Rise
   189. Radiated Energy by a Black Body: Stefan Boltzmann Law
   190. Junction Temperature
   191. Heatsink Definition
   192. Reliability
   193. Mean Time Before Failure (MTBF)
   194. Failure Rate
   195. Reliability Calculations of One System
   196. Redundancy of N Parallel Systems