Position: Index > Filter Circuit >
  • Passive subwoofer filter

    2017-02-15 04:24:5865

    The schematic shown, does no need any power supply because is a simple low frequency passive filter. It could be usefull if you want to drive an extra ...

  • AUDIO_FILTERS_FOR_SNR_MEASUREMENT

    2017-02-15 03:03:5363

    Used in checking performance of Harris HC-55516/55532 haff-duplex modulator-demodulator systems for converting voice signals into s rial NRZ digital da...

  • Norfort_voltage_controlled_low_pass_filter

    2017-02-15 01:59:1864

    This circuit shows a Norton used as a voltage-controlled low-pass filter, where the 3-dB closed-loop corner frequency is set by ISET input current.Figu...

  • 1_kHz_COMB_FILTER

    2017-02-15 00:05:1063

    DG508 eight-channel CMOS multiplexer is used in comb filter having fundamental frequency of 1 kHz. Sampling action provides response at each harmonic m...

  • Sallen - Key specific filter circuit diagram

    2017-02-14 21:10:3561

    This circuit is an unity-gain circuit, which canchange gain of the filter Sallen - Keyand theamplitude-frequency characteristics and types of filter. I...

  • 10_kHz_LOW_PASS_FILTER

    2017-02-14 18:42:0162

    Suitable for use at both input and output of A/D-D/A converter in digital audio system for synthesizing speech or music. Serves for smoothing steps of ...

  • SCRATCH_RUMBLE_FILTER

    2017-02-14 17:22:0564

    Single active filter provides two widely differing turnover frequencies, as required in audio amplifier used with phonograph. For values shown, inserti...

  • AUDIO_AMPLIFIER_WITH_TUNEABLE_FILTER

    2017-02-14 15:04:1569

    This audio amplifier can tune from 500 to 1500 Hz and will drive a speaker or headphones. Use-ful for CW reception or other receiver applications, only...

  • COMBINATION_FILTER

    2017-02-14 14:48:3263

    The classic state variable two-integrator filter is known for its insensitivity to component varia-tions, and its ability to provide three separate sim...

  • ACTIVE_HP_FILTER_

    2017-02-14 12:46:0361

    Interchanging the resistors and capacitors transforms the normalized low-pass filter into a high-pass filter with the same corner frequency (a). Notice...

  • The circuit diagram of the high gain band-pass filter (LM307

    2017-02-14 12:05:2262

    The circuit of the high gain band-pass filter with low Q is shown in this figure. Adding multiple feedback circuit to operational amplifier can build u...

  • DYNAMIC_NOTCH_FILTER

    2017-02-14 11:58:0465

    Will trap out 10-Mc noise while passing 10.Mc signal in heterodyne frequency convertor used to extend measurement range of 10-Mc counter. Operation is ...

  • LOW_COST_IR_FILTER

    2017-02-14 10:50:2661

    When exposed to “cool white” fluorescent light for 5 s, the color negative (using Kodacolor 100 ASA film) produced after the developing process exh...

  • Voltage_controlled_Butterworth_filter

    2017-02-14 08:43:4762

    This circuit uses both sections of an XR-13600 (Fig. 11-1B) to form a 2-pole Butterworth low-pass filter. EXAH Corporatton Databook 1990, p 5-254...

  • Band Stop Filter

    2017-02-14 06:48:5668

    The bandpass fil­ter passes one set of frequen­cies while reject­ing all others. The band-stop filter does just the opposite. It rejects a band of f...

  • Dc_coupled_low_pass_active_filter

    2017-02-14 06:32:0761

    With the values shown, this circuit provides a 1-kHz low-pass filter function, with a direct-coupled input and output. Raytheon Linear integrated Circu...

  • ACTIVE_CW_FILTER

    2017-02-14 06:02:2265

    Modifications made on MFJ Enterprises OWE-2 active audio filter per mit maximum flexibility. Circuit provides fixed bandwidth of 180 or 110 Hz centered...

  • Single_2nd_order_filter_section

    2017-02-14 05:31:2163

    The MAX274/275 continuous-filter architecture uses a four-amplifier state-variable design. The on-chip capacitors and amplifiers, together with externa...

  • Bandpass Filter

    2017-02-14 05:09:5263

    This circuit is taken from the Progressive Communications Receiver in most of the recent ARRL Handbooks. Values for the 40 meter band are shown. If you...

  • PHOTOELECTRIC_BANDPASS_FILTER

    2017-02-14 04:31:1162

    Output of phototransistor varies linearly with input signal at resonant frequency of photoreed, to give function of bandpass filter.-Frequency-Sensitiv...

  • Capacitance Filter Circuit

    2017-02-14 00:46:2761

    After the rectifier the output voltage would change to be DC voltage, but the voltage waveform fluctuate largely. In order to get the smoothing DC volt...

  • The Circuit Diagram of the 0.1~10Hz Filter (OP07)

    2017-02-13 22:59:3661

    The figure shows the circuit diagram of the 0.1~10Hz filter. It’s composed of two parts. Part one is high-pass filter and part two is low-pass filter...

  • Filter circuit can be used in the IF amplifier

    2017-02-13 22:00:3561

    The function of the IF amplifier is to supply the gain and the selectivity for the receiver, the selectivity part is realized by different filters. The...

  • 1_Hz_STATE_VARIABLE_FILTER

    2017-02-13 21:11:0061

    Universal filter has simultaneous low-pass, bandpass, high-pass, and notch outputs all with cutoff frequency of 1 Hz. To scale circuit up to 1-kHz cuto...

  • Gambar Skema Rangkaian Subwoofer Filter Mobil

    2017-02-13 21:07:4064

    Gambar Skema Rangkaian Subwoofer Filter Mobil The circuit is designed around the TL072 dual BIFET opamp IC. Out of the two opamps inside the chip, IC1A...

  • THREE_AMPLIFIER_ACTIVE_FILTER

    2017-02-13 20:38:0162

    Circuit NotesThe active filter is a state variable filter with bandpass, high-pass and low-pass outputs, It is a classical analog computer method of im...

  • I_F_WITH_LOW_PASS_FILTER

    2017-02-13 18:58:2362

    Cutoff frequency of signal-channel amplifier for frequency-measuring spectrum analyzer is 15 cps with RC fiber as shown and 125 cps when switch grounds...

  • The differential amplifier with low-pass filtering circuit c

    2017-02-13 17:55:2663

    The figure shows a low pass filtering differential amplifier circuit. This circuit has the 100 Hz ac low pass filtering, differential input, single-end...

  • The Circuit Diagram of 60Hz Notch Filter Consist of INA110

    2017-02-13 17:46:5164

    The figure shows the 60Hz notch filter consist of INA110 and double-T network. The 2kΩ potentiometer can adjust Q in this circuit. When the frequency ...

  • SW_RECEIVER_CW_FILTER

    2017-02-13 17:39:3562

    The CW filter is connected between the headphone or loudspeaker socket or terminal strip of your receiver and either the headphones or an external loud...

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