Open Side Menu
Open Side Menu radioSPARKS logo

Schematics and Circuits Index

Index | filters


Antenna Filters

Figure 1165 :


Butterworth Filters

1 kHz 4th Order Butterworth Filter

Figure 859 : 1 kHz 4th Order Butterworth Filter


120kHz 4th Order Butterworth Filter

Figure 864 : 120kHz 4th Order Butterworth Filter


20 kHz Butterworth Active Filter

Figure 874 : 20 kHz Butterworth Active Filter


Band-pass Filters

Active Band-pass Filter Circuit

Figure 899 : Active Band-pass Filter Circuit


CW Audio Filters

Active CW Audio Filter

Figure 900 : Active CW Audio Filter


High-pass Filters

Active High-pass Filter

Figure 901 : Active High-pass Filter


Low-pass Filters

Active Low-pass Filter

Figure 902 : Active Low-pass Filter


Notch Q

Adjustable Q Notch Filter

Figure 903 : Adjustable Q Notch Filter


Band-pass Filters

Band-pass Filter

Figure 925 : Band-pass Filter


Combination Filters

Combination Filter

Figure 934 : Combination Filter


Comb Filters

Digital Comb Filter

Figure 950 : Digital Comb Filter


Notch Q

High Q Notch Filter

Figure 976 : High Q Notch Filter


High-pass Filters

High-pass Active Filter

Figure 975 : High-pass Active Filter


High-pass Amplifier

Figure 979 : High-pass Amplifier


High-pass Filter

Figure 978 : High-pass Filter


Low-pass Filters

Low-pass Amplifier

Figure 988 : Low-pass Amplifier


Programmable Filters

Programmable Analog Filter

Figure 1022 : Programmable Analog Filter


Notch RC

RC Notch Filter

Figure 1034 : RC Notch Filter


Low-pass Filters

Sallen KEY Low-pass Filter

Figure 1053 : Sallen KEY Low-pass Filter


High-pass Filters

Sallen-KEY High-pass Filter

Figure 1054 : Sallen-KEY High-pass Filter


SAW Filters

SAW Filter Impedance Matching Preamplifier

Figure 1055 : SAW Filter Impedance Matching Preamplifier


Second-Order Voltage-Controlled

Second-Order Voltage-Controlled Filter

Figure 1057 : Second-Order Voltage-Controlled Filter


State Variable Filters

Single 3.3V Supply 4 Pole State Variable Filter

Figure 1066 : Single 3.3V Supply 4 Pole State Variable Filter


State Variable Filter

Figure 1067 : State Variable Filter


Band-pass Filters

Two OP-AMP Band-pass Filter

Figure 1080 : Two OP-AMP Band-pass Filter


Low-pass Filters

Voltage Coltrolled Low-pass Filter

Figure 1105 : Voltage Coltrolled Low-pass Filter


VSB

VSB Filter for LM2889

Figure 1106 : VSB Filter for LM2889

X