DISCLAIMER: I\'ve collected these information from different sources. The author may revise this documentation from time to time without notice. THIS DOCUMENTATION IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. IN NO EVENT SHALL THE AUTOR BE LIABLE FOR INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES OF ANY KIND ARISING FROM ANY ERROR IN THIS DOCUMENTATION, INCLUDING WITHOUT LIMITATION ANY LOSS OR INTERRUPTION OF BUSINESS, PROFITS, USE, OR DATA. |
Lowpass | Highpass | Bandpass | Bandstop | |
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G A I N |
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FREQUENCY |
Type | Temp. Coeff. ppm/degC | Stnd.Tolerances % | Comments |
---|---|---|---|
Metal film | -25 -->100 | 1 | low cost; most widely used |
Cermet film | 200 | 0.5,1 | larger, costlier than metal film |
Carbon film | -200-->-500 | 2,5,10,20 | low cost; negative temp.coeff. |
Type | Temp. Coeff. ppm/degC | Comments |
---|---|---|
NPO ceramic | 0 +/- 30 | most popular for active filters |
Film: MPC | 0 +/- 50 | metallized polycarbonate |
Film: Polystyrene | -120 | larger than MPC; melts at low temp. |
Mica | -200 ..+ 200 | larger, costlier than NPO |
Fc = Frequency Cut | Capacity in pF | ||
---|---|---|---|
from | to | from | to |
10 | 100 | 100000 | 470000 |
100 | 500 | 22000 | 100000 |
500 | 1000 | 6800 | 39000 |
1000 | 5000 | 2700 | 10000 |
5000 | 10000 | 1000 | 3300 |
10000 | 50000 | 560 | 1500 |
100000 | 500000 | 330 | 1000 |