FIELD: selective radio electronic and microelectronic devices. SUBSTANCE: active RC filter that has operational amplifier and frequency-setting unit whose first input is connected to input signal source and second one, to operational amplifier output, first output of frequency-setting unit is connected to inverting input and second output, to noninverting input of operational amplifier, is provided, in addition, with weight adder whose first input is connected to operational amplifier inverting input and second one, to its noninverting input; weight adder output is connected to third input of frequency-setting unit. EFFECT: extended frequency range. 9 cl, 7 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| ACTIVE RC FILTER | 1996 |
|
RU2108660C1 |
| UNIVERSAL ACTIVE RC FILTER | 1999 |
|
RU2149499C1 |
| ARC BAND FILTER WITH POLE FREQUENCY REDUCTION | 1999 |
|
RU2150782C1 |
| BANDPASS ARC FILTER | 1999 |
|
RU2154337C1 |
| AUTOMATIC REMOTE CONTROL BANDPASS FILTER | 2000 |
|
RU2165673C1 |
| ADJUSTABLE ARC FILTER | 1995 |
|
RU2110140C1 |
| ACTIVE RC FILTER | 1995 |
|
RU2113051C1 |
| ACTIVE RC FILTER | 1995 |
|
RU2096910C1 |
| ACTIVE HIGH-FREQUENCY RC FILTER | 1999 |
|
RU2149501C1 |
| ANALOG LOW-PASS FILTER | 1995 |
|
RU2095938C1 |
