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- In mathematics, the infinite series 1 / 2 + 1 / 4 + 1 / 8 + 1 / 16 + is an elementary example of a geometric series that converges absolutely. There are many different expressions that can be shown to be equivalent to the problem, such as the form: 2 −1 + 2 −2 + 2 −3 +.
Deutsche Version |
● Calculation: Amplification (
as factor (ratio) to the level in decibels(dB) ●
Gain is the ratio between the magnitude of output and input signals. Gain controls on an amplifier are basically just small potentiometers (variable resistors) or volume controls, that allow you to adjust the incoming signal to the amplifier. |
The amplification factor, also called gain, is the extent to which a device boosts the strength of a signal.
The damping factor, also called loss, is the extent to which a device reduces the strength of a signal.
Enter two values and press the right calculate bar in the line of the missing answer
The used Browser supports no Javascript. The program is indicated, but the actual function is missing. |
V1 = Vin and V2 = Vout V2 > V1 or Vout > Vin means amplification. The dB value is positive (+). V2 < V1 or Vout < Vinmeans damping. The dB value is negative (−). V2/V1 or Vout/Vin means the ratio. The amplification or the damping in dB is: L = 20 × log (voltage ratio V2 / V1) in dB. V1 = Vin is the reference. |
In physics, attenuation is regarded as a positive value.
This naturally leads to sign errors when entering numbers.
3 dB ≡ | 1.414 times the voltage | (−)3 dB ≡ | damping to the value 0.707 |
6 dB ≡ | 2 times the voltage | (−)6 dB ≡ | damping to the value 0.5 |
10 dB ≡ | 3.162 times the voltage | (−)10 dB ≡ | damping to the value 0.316 |
12 dB ≡ | 4 times the voltage | (−)12 dB ≡ | damping to the value 0.25 |
20 dB ≡ | 10 times the voltage | (−)20 dB ≡ | damping to the value 0.1 |
Using voltage we get: Level in dB: L = 20 × log (voltage ratio) |
Text Fridge 1 2 16 Valve Clutch Kit
6 dB = twice the voltage 12 dB = four times the voltage 20 dB = ten times the voltage 40 dB = hundred times the voltage |
If we consider audio engineering, we are usually not interested in power.
Do not ask what power amplification means.
Leave that to the telephone companies or the transmitting aerials (antennas).
Power gain is really not used in audio engineering.
Do we really need power (energy) amplification?
Read the text at the bottom.
1 Mod 2
3 dB ≡ | 2 times the power | (−3) dB ≡ | damping to the value 0.5 |
6 dB ≡ | 4 times the power | (−6) dB ≡ | damping to the value 0.25 |
10 dB ≡ | 10 times the power | (−10) dB ≡ | damping to the value 0.1 |
12 dB ≡ | 16 times the power | (−12) dB ≡ | damping to the value 0.0625 |
20 dB ≡ | 100 times the power | (−20) dB ≡ | damping to the value 0.01 |
Using power we get: Level in dB: L = 10 × log (power ratio)
3 dB = twice the power 6 dB = four times the power 10 dB = ten times the power 20 dB = hundred times the power |
If you search for the amplification ratio, given the dB value,
then go to the program dB calculation
Amplification (Gain) and Damping (Loss) Download tuxera ntfs 2018 product key.