BUTTER07
- 7th Order Low Pass Butterworth Filter
- Filter Calculator
- Bourns Inductors, 0603, CS160808 family - inexpensive
7 MHz Example
- Parts on my schematic are placeholders
- 7 MHz (example)
- C1 = C4 = 200pF
- C2 = C3 = 820 pF
- L1 = L3 = 1.5 uH
- L2 = 2.2 uH
Values
Standard SMT Filter Values
- BUTTER07 with extra capacitor for 2nd order harmonic suppression
- L2 and C5 are piggybacked