Position: Index > Filter Circuit >
  • Wideband_two_pole_high_pass_filter

    2017-02-18 03:31:3066

    This circuit shows an LH0033 buffer connected to form a basic two-pole high-pass filter with a 10-Hz cutoff frequency. A low-pass filter with the same ...

  • Op_amp_notch_filter_adjustable_Q

    2017-02-18 02:56:0479

    This circuit uses two LM102s to form a 60-Hz notch filter with adjustable Q. The response should fall within the shaded area of Fig. 10-42B. Remember t...

  • First Order Low Pass Filter

    2017-02-18 02:22:5769

    Here an explanation of the operation of low pass filter was made, the operation principle of active low pass filter was made, of active low pass filter...

  • PROGRAMMABLE_ACTIVE_FILTERS

    2017-02-18 01:40:3363

    This is a second-order, low-pass filter with programmable cutoff frequency. This circuit should be driven from a low-source impedance since there are p...

  • K9450M--the sound 1st intermediate bandpass filter integrate

    2017-02-18 00:52:1963

    K9450M is the sound 1st intermediate bandpass filter integrated circuit, which is widely used in Konka large screen color TV set of S serial.1.function...

  • LOW_COST_UNIVERSAL_ACTIVE_FILTER

    2017-02-18 00:30:2164

    The circuit as shown in Fig. 1 gives the bandpass operation the transfer function calculated fromInterchanging the capacitor C with the resistor R at t...

  • Convenient And Simple High-Pass Filter (Differentiator) Circ

    2017-02-17 21:53:1761

    The picture shows the convenient and simple high-pass filter (differentiator) circuit.This circuit is high-pass filter and also could be used as pulse ...

  • TC9OA49P-I2C bus control A/D, D/A and the comb filter integr

    2017-02-17 18:17:5863

    The TC9OA49P is one kind of bus control A/D, D/A and the comb filter integrated circuit that is produced by the TOSHIBA company, it can be used in all ...

  • SIMPLE_RUMBLE_FILTER

    2017-02-17 17:17:1465

    This circuit is a two-section active HP filter using an LM387, with a cutoff below 50 Hz at 12-dB per octave. It will help reduce rumble as a result of...

  • REGENERATIVE_CW_FILTER

    2017-02-17 14:42:4968

    Can be added between product detector and volume control of SSB receiver or transceiver that does not have CW filter. Just before oscillation oceurs, g...

  • ACTIVE_UNITY_GAIN_SECOND_ORDER_LOW_PASS_FILTER

    2017-02-17 11:24:4462

    This second-order Butterworth filter cuts off near 10 kHz. The values of C1and C2 can be changed to alter the frequency, or else calculated from the fo...

  • Multifunctional Active Filter Circuit

    2017-02-17 11:06:3164

    This circuit is composed of three operational amplifiers and resistance components, and its main characteristic is that it can get filtering properties...

  • TC99ON, TC909OF comb filter integrated circuit

    2017-02-17 10:59:4962

    The TC99ON and TC909OF are designed as the comb filter integrated circuit which is produced by the TOSHIBA company, and this device can be used in vari...

  • Voltage_controlled_high_pass_filter

    2017-02-17 10:23:3863

    This circuit is similar to that of Fig. 11-9, except that the single RC rolloff is below the defined cutoff frequency. EXAR corpora,ion Databook, 1990 ...

  • IF amplifier with a crystal filter circuit

    2017-02-17 10:09:4470

    The IF amplifier shown in the figure is based on the design of popular MC-1350P IC. The chip can be gotten by mail from the accessory store or from the...

  • Active Narrowband Filter Circuit

    2017-02-17 09:20:5866

    The filter uses LC as feedback impedance of the operational amplifier. The circuit is simple and convenient to debug, and it has the good frequency-sel...

  • 300_TO_3400Hz_SECOND_ORDER_SPEECH_FILTER

    2017-02-17 08:43:3879

    Using two op amps,this filter is designed for second-order response.It has a bandpass of 300 to 3 400Hz,for applications In speech or telephone work....

  • RUMBLE_FILTER_1

    2017-02-17 08:36:0762

    Used to roll off low-frequency noise associated with worn turntable and tape transport mechanisms. Gain is 1. Design procedure is given. For values sho...

  • PARALLEL_T_FILTER_WITH_FEEDBACK

    2017-02-17 07:20:4266

    Single-transistor feedback circuit Q2 reduces high attenuation in passband that severely limits conventional 60-cps T-notch filter, Filter response is ...

  • FILTERED_BUFFER

    2017-02-17 07:03:2569

    Used with Motorola MC1505 AiD converter when making precise measurements of slowly varying DC voltages in digital voltmeters or in feedback controls.Cl...

  • FOUR_CRYSTAL_FILTER

    2017-02-17 01:58:3562

    Uses two matched sets of crystals, with each pair having maximum frequency difference of 25 Hz.Transistors serve as input and output isolating stages. ...

  • VARIABLE_BANDWIDTH_BANDPASS_ACTIVE_FILTER

    2017-02-17 00:17:3470

    Circuit NotesThis circuit has adjustable bandwidthwith values for a center frequency of about 800 Hz. The10 K pot adjusts bandwidth from approximately ±...

  • OPA603 Constituted Low-pass Filter Circuit Of 10MHz

    2017-02-16 20:54:3162

    The circuit is showed in the picture. The circuit makes use of Second-order Butterworth low-pass filter. The fillter is made of high-speed current feed...

  • SLOT_FILTER

    2017-02-16 19:45:1362

    Interval-sensitive gate will detect tone in range from 4,900 to 5,100 cps regardless of other frequencies present.-A. Corbin, Digital Tone Filter with ...

  • Switch_bounce_eliminator_or_filter

    2017-02-16 19:41:2669

    This circuit provides a rapid charge-up of C1 to near V+ on switch closure, and a corresponding slow discharge of C1 on switch break. By proportioning ...

  • First-order butterworth active low-pass filter

    2017-02-16 19:27:3462

    Butterworth filter is a type of filter whose frequency response is flat over the passband region. Low-pass filter (LPF) provides a constant output from...

  • 11-90 hz Subwoofer Filter Using TL072 Op-Amp

    2017-02-16 18:35:09116

    11-90 hz Subwoofer Filter Using TL072 Op-Amp The subwoofer clarify ambit allows the accession of subwoofers to an absolute full-range system, alms adju...

  • 2 ~ 33MHz band-pass filter circuit formed by low-pass and hi

    2017-02-16 18:08:5667

    The filter shown in the figure is not so beautiful than the above on but with equally effectiveness. This approach is to combine the low-pass part and ...

  • Bi_quad_RC_active_bandpass_filter

    2017-02-16 17:34:2367

    This circuit uses three LM3900 Norton amplifiers as a 1-kHz bandpass filter with a Q of 50, and a gain of 100 (40 dB). National Semiconductor, Linear A...

  • Bart woz fourth-stage active low-pass filter circuit

    2017-02-16 17:01:2661

    This device is designed as the Bart woz fourth-stage active low-pass filter circuit that can be used to filter the very low frequency random impulsive ...

Maybe you like