2N Datasheet PDF Download – LOW-FREQUENCY/LOW-NOISE JFET, 2N data sheet. 2N from Texas Instruments High-Performance Analog. Find the PDF Datasheet, Specifications and Distributor Information. 2N datasheet, 2N circuit, 2N data sheet: NJSEMI – LOW NOISE VOLTAGE,alldatasheet, datasheet, Datasheet search site for Electronic.

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Van Dalsen, Need an Active Filter? Maximum selectivity, conesponding to maximum height of pass curve or depth of reject curve and minimum width of either curve, is obtained when R9 is set for maximum gain in FET Q4.

Diodes are 1N34A or 1N Pins 5 and 1 must be connected together for proper operation. Circuit is basically voltage-controlled bandpass filter using Optical Electronics active filter with analog multipliers.

Sams, Indianapolis, IN,p Article covers theory of operation. Use dqtasheet crystal having pF series capacitance. Dynamic output impedance of both outputs is less datasheer 1 ohm. Variable Q feature is controlled by single passive RC network.

Quartz crystal should be cut for operation in series-resonant mode. When signal goes outside tracking range, circuit sweeps between low- and high-frequency limits until suitable signal reappears. Ad justments are almost perfectly noninteracting if made in sequence given. By adding single-transistor stage, oscillator can be used as clock generator for TTL circuits.


Gimmick is 1 or 2 turns of insulated wire wrapped around output lead. If R9 is advanced far enough with switch set to pass, circuit will oscllate and give sine-wave output at tuned xatasheet.

Adjust 1K pot for reliable start-up and symmetrical square-wave output. For Q of 3, feedback resistor should be 36 times value of input resistor.

2N 데이터시트(PDF) – New Jersey Semi-Conductor Products, Inc.

Q is changed by varying ratio of input and feedback resistors while keeping their product constant. Value of input resistor is 10K 10, ohms when gain K is 1. Circuit values are for 1 MHz, but tuned circult can be adjusted to other desired frequency. Resistor across crustal prevents oscillation at undesired modes. For equivalent high-pass filter, transpose positions of resistors and capacitors. Starting is reliable and stability is good. DC output of low-pass terminal equals DC input plus offset voltages of both opamps.

L1 is 9 tums No. Center frequency of notch filter is about 4. Article gives design theory and covers many other types of notch filters.


(PDF) 2N4360 Datasheet download

Use R2A to trim bandwidth to exactly 0. For high pass, take output from first opamp; for bandpass, take output from second opamp. DC output of high-pass terminal is equal to offset voltage of dwtasheet.

Altemative opamps can be and Gain is fixed at -2Q2, where Q is reciprocal of damping d and ranges from less than 1 to above With minor modifications, same circuit can be used for and kHz crystals.

Opamp can be one section of OPFY. Damping is in range ofwith critical value of 1. Can also serve as test transmitter putting out up to 20 mW. Both outputs have DC continuity.