LPF_Butterworth (Lowpass Filter, Butterworth
Symbol
Available in ADS and RFDE
Parameters
Name |
Description |
Units |
Default |
---|---|---|---|
Fpass |
Passband edge frequency |
GHz |
1 |
Apass |
Attenuation at passband edges |
dB |
3 |
Fstop |
Stopband edge frequency |
GHz |
1.2 |
Astop |
Attenuation at stopband edges |
dB |
20 |
StopType |
Stopband input impedance type: OPEN or SHORT |
None |
open |
MaxRej |
Maximum rejection level |
dB |
None |
N |
Filter order (if N > 0, it overwrites BWstop and Astop)); if not given, it is calculated based on BWpass, Apass and GDpass |
None |
0 |
IL |
Passband insertion loss |
dB |
0 |
Qu |
Unloaded quality factor for resonators, default setting is an infinite Qu and expresses a dissipationless resonant circuit. |
None |
1e308 |
Z1 |
Input port reference impedance |
Ohm |
50 |
Z2 |
Output port reference impedance |
Ohm |
50 |
Temp |
Temperature |
°C |
None |
Range of Usage
Fpass > 0
0.01 ≤ Apass ≤ 3.0
1 ≤ N ≤ 15
Qu ≥ 1
Notes/Equations
- Refer to Filter Categories.
- For information on LPF behavior at DC, refer to Lowpass Filter Behavior at DC.
- This component has no default artwork associated with it.