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Pressure sensor with filter and amplification circuit
2017-02-25 21:06:5662MAX4471 is amplifier.MAX9028 is the MAXIM company's low power comparator.Filter circuit uses band-pass filter composed of MAX267(allowing 0.8 ~ 38Hz si...
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Three audio band-pass filters circuit
2017-02-25 19:32:1767The figure as shown below is the complete set of three passive audio filters, which can be accessed or out of the circuit. These filters are designed f...
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Butterworth filter has adjustable group delay
2017-02-25 18:25:5262This Sallen-Key realization of a 5.25-MHz, three-pole Butterworth filter has a gain of 2V/V and can drive 75Ω back-terminated coax with an overall gai...
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Circuit Diagram of Third-order Asymmetric Filter
2017-02-25 18:14:5167The Third-order Asymmetric Filter has two output channels (UA1 and UA2), UA1 is the high-pass filtered output channel and the UA2 is the low-pass filte...
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The Circuit Diagram of 1 MHz High-pass Filter Consists of OP
2017-02-25 17:00:5063The figure shows the 1 MHz high-pass filter circuit. This circuit uses high speed current feedback operational amplifier OPA603 with 100MHz bandwidth a...
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ACTIVE_800_CPS_PARALLEL_T_FILTER
2017-02-25 16:54:0572Potentiometer adjusts amount of rejection to compensate for tolerances of components. Second emitter-follower provides lower output impedance so feedba...
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Higher Order Filters
2017-02-25 13:36:4368Higher Order Filters From the discussion made so far on the filters, it may be concluded that in the stopband the gain of the filter changes at the rat...
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ACTIVE_LOW_PASS_FILTER_WITH_DIGITALLY_SELECTED_BREAK_FREQUEN
2017-02-25 13:05:1868Variable low-pass ftlter has break frequencies at1, 10, 100 Hz and 1 kHz. The break frequency isThe low frequency gain isA second break frequency(a z...
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Universal Active Filter circuit
2017-02-25 12:37:5662Universal Active Filter circuit is shown below.Referring to the circuit as shown, its center frequency f0 = 3.4kHz, notch frequency fc = 9.5kHz and qua...
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45_MHz_NOTCH_FILTER_
2017-02-25 12:22:3365Circuit NotesComponenc value sensitivity is extremely critical, as are temperature coefficients and matching ofthe components. Best performa,ce is atta...
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20_Hz_HIGH_PASS_RUMBLE_FILTER
2017-02-25 09:42:4468Second-order rumble filter for phonograph amplifier has 1-dB peak and 20-Hz cutoff frequency. Design uses large resistance values to permit use of smal...
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Four-stage telecom filter circuit with 1KHZ frequency
2017-02-25 09:30:3861Third-order asymmetric filter circuit has two ways of output UA1 and UA2, the former is high-pass filter output, and the later is low-pass filter outpu...
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Q_MULTIPLIER_FOR_TONE_FILTER
2017-02-25 08:47:3797Provides stable multiplication over wide temperature range, as required for high-selectivity singlefrequency telemetry tone filter. Center frequency is...
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Derivative_controlled_low_pass_filter
2017-02-25 08:45:5967Derivative-controlled low-pass filter. This circuit settles rapidly in response to step changes, then assumes a long time constant for filtering noise....
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Q and Frequency Adjustable Narrow Band Filter (741)
2017-02-25 08:32:2075The circuit is an active Q and frequency adjustable narrow band filter. It adopts the form of Wien bridge positive feedback ,but the loop gain is under...
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SIMPLE_HIGH_PASSHP_ACTIVE_FILTER_FOR_1_kHz
2017-02-25 00:58:1763This simple 1kHz filter uses a voltage follower and an RCsection for a filter element,For other frequencies f3 dB-1/6.28 R1C1. The response drops 6 dB/...
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Operation amplifier venturi filter circuit diagram
2017-02-25 00:42:5261For all frequencies venturi filters are the same gain, but it can change the angle of signals, it also can be used for angle correction circuit at the ...
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Active Lowpass Filter Circuit with Attenuation of -18dB Ever
2017-02-25 00:41:5874As shown in the figure is an active low pass filter circuit with attenuation of -18dB every octave. The circuit is composed of a passive filter with at...
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Bandpass filter circuit
2017-02-25 00:05:5167This circuit should determine the value of the R1 aforehand which is similar to the signal source resistance r1/ The principle of parameter selection i...
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Two_op_amp_bandpass_filter
2017-02-24 23:03:1469This circuit uses two LM3900 Norton amplifiers as a 1-kHz bandpass filter with a Q of 25, and a gain of 15 (23 dB). National Semiconductor, Linear Appl...
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The Circuit Diagram of Active High-pass Filter (LM102)
2017-02-24 22:10:4270The figure shows the circuit diagram of active low-pass filter. The cutoff frequency fc=100Hz. In the circuit, the ratio of R1 to R2 or of C1 to C2 can...
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ZOBEL_BAND_PASS_FILTER
2017-02-24 20:51:2169Both examples give at least 40 db attenuation below 7,500 cps and above 12,500 cps, for 600-ohm source and load resistances.-K.Lichtenfeld, Method ...
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Frequency adjustable bandpass filter circuit
2017-02-24 20:13:0070The frequency adjustable bandpass filter circuit is as shown in the figure. This filter's resonance frequency can be adjusted through the coaxial poten...
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MC141625 - comb filter IC diagram
2017-02-24 20:00:2566MC141625 is the comb filter integrated circuit manufactured by Motorola, which is widely used in a variety of domestic and imported color television sc...
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One_op_amp_bandpass_filter
2017-02-24 18:05:5668This circuit uses an LM3900 Norton amplifier as a 1-kHz bandpass filter with a Q of 5 and unity gain. National Semiconductor, Linear Applications Handb...
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Universal Active Filter circuit
2017-02-24 18:05:4971Universal Active Filter circuit is shown below.Referring to the circuit as shown, its center frequency f0 = 3.4kHz, notch frequency fc = 9.5kHz and qua...
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RECEIVE_FILTER
2017-02-24 16:18:2467Used as prefilter having controlled group-delay distortion, ahead of receiving modem in data transmission system. Values shown are for 950-1400 Hz answ...
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AUDIO_NOTCH_FILTER
2017-02-24 15:10:3268With the circuit shown here the response at one octave off tune is within 10% of the far out response: notch sharpness may be increased or reduced by r...
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The spectral character circuit of light filter
2017-02-24 15:05:0961The sensor consists of the shell, light filter, heat electric element PZT, FET pipe, resistor and diode,etc. The light filter is installed at the windo...
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The circuit diagram of notch filter consists of MC33171
2017-02-24 14:40:1564The figure shows the notch filter circuit. This circuit uses high-performance amplifier MC33171 to build up notch filter. This component has wide bandw...
- Infrasonic_filter
- Bart woz fourth-stage active low-pass filter circuit
- FOUR_OUTPUT_FILTER
- Switch_bounce_eliminator_or_filter
- ACTIVE_SECOND_ORDER_BANDPASS_FILTER_FOR_SPEECH_RANGE
- Voltage_controlled_high_pass_filter
- Low_pass_active_filter
- 1_kHz_COMB_FILTER
- Bandwidth adjustable audio filter circuit with the 900Hz cen
- 2 ~ 33MHz band-pass filter circuit formed by low-pass and hi
- EQUAL_COMPONEHNTS_SECOND_ORDER_HP_FILTER
- ACTIVE_ADJUSTABLE_BANDPASS_AUDIO_FILTER
- Filter circuit can be used in the IF amplifier
- The Circuit Diagram of 60Hz Notch Filter Consist of INA110
- PIN diode with band-pass filter switch circuit
- VARIABLE_HIGH_PASS_FILTER
- CAPACITORLESS_NOTCH_FILTER
- 11-90 hz Subwoofer Filter Using TL072 Op-Amp
- Third-Order High-Pass Filter
- The spectral character circuit of light filter
- General Active Filter Circuit
- STAET_VARIABLE_FILTER
- HIGH PASS ACTIVE FILTER COLLECTION
- First-order Butterworth Active Low-pass Filter Circuit
- HIGH_PASS_FILTER
- 45_kHz_LOW_PASS_STATE_VARIABLE_FILTER
- Practical band-pass filter principle circuit diagram
- The Value of Q and Frequency Adjustable Narrow-band Filter C
- Bi_quad_notch_filter
- 4_pole_Butterworth_filter
- One_op_amp_bandpass_filter
- Voltage_controlled_low_pass_filter
- 1_kHz_4TH_ORDER_BUTTERWORTH_FILTER
- TC909OBN9 digital hang-shaped filter-type Y/C separation cir
- Full_duplex_300_baud_modem_filter
- ACTIVE_BANDPASS_FILTER_f0_1000_Hz
- High Q value trapped wave filter circuit
- ZOBEL_BAND_ELIMINATION_FILTER
- IF amplifier with a crystal filter circuit
- Circuit of a Filter with 4 Characteristics Simultaneously
- PROGRAMMABLE_ANALOG_FILTER
- ACTIVE_800_CPS_PARALLEL_T_FILTER
- Active dual two-stage bandpass filter circuit
- High pass filter ( differentiator ) circuit
- Frequency adjustable bandpass filter circuit
- High_Q_notch_filter
- TRACKING_LINE_FREQUENCY_FILTER
- PIN diode with band-pass filter switch circuit
- Ordinary filter circuit diagram
- SELECTABLE_BANDWIDTH_NOTCH_FILTER
- Four-stage telecom filter circuit with 1KHZ frequency
- IC_Iow_pass_filter
- The Butterworth 4-stage switch capacitor low-pass filter (TL
- Low_offset_12th_order_max_flat_low_pass_filter
- BANDPASS_AND_NOTCH_FILTER
- Very Low Frequency Active Filter Circuit
- Single Op-Amp Bandpass Filter
- CERAMIC_FILTER_I_F_STAGE
- KA9270--the dual channel audio filter integrated circuit
- High_pass_active_filter_with_Norton_amplifier
- Universal_state_space_filter
- F_V_WITH_OUTPUT_FILTER_
- Rectifier and filter circuit diagram
- ZOBEL_BAND_PASS_FILTER
- SCRATCH_FILTER
- Filter Circuits – Active Filters
- 2 ~ 33MHz band-pass filter circuit formed by low-pass and hi
- SW_RECEIVER_CW_FILTER
- Dc_accurate_low_pass_bandbass_filter
- CRYSIAL_RADIOTELEGRAPH_I_F_FILTER
- UNITY_GAIN_SECOND_ORDER_HIGH_PASS_FILTER
- Active and Passive filters
- Various IF filters circuit
- Diagram of two filter circuits used for AM broadcast interfe
- ACTIVE_HP_FILTER_
- Capacitor fourth-order low-pass filter circuit diagram
- Low frequency high frequency filter circuit diagram
- LOW_PASS_FILTER_PHASE_CORRECTOR
- AUDIO AMP + 3KHz FILTER
- Active Biquadratic Band-pass Filter Circuit
- Qualcomm AM band suppression filter circuit
- PASSIVE_CW_FILTER
- Dc_accurate_low_pass_Bessel_filter
- CW_FILTER_1
- BANDPASS_ANSWER_FILTER
- TWO_SALLEN_KEY_LOW_PASS_ACTIVE_FILTERS
- band-pass filter formed by the low-pass and high pass filter
- Audio Noise Filter circuit
- VOLTAGE_CONTROLLED_FILTER
- The program controlled filter circuit
- DYNAMIC_NOTCH_FILTER
- AUDIO_NOTCH_FILTER
- Voltage_controlled_state_variable_filter
- 4th_order_1_kHz_Butterworth_switched_filter
- Band pass Filter
- Passive subwoofer filter
- Sallen - Key specific filter circuit diagram
- n circuit diagram of EMI filter
- First Order Low Pass Filter
- Simple_5_Hz_filter_that_uses_back_to_back_capacitors