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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Center frequency of notch filter dataxheet about 4. Some plated crystals will work better than others in this circuit; third-overtone types operating on their fundamental generally give best results. Article gives design theory and covers many other types of notch filters.

DC output of high-pass terminal is equal to offset voltage of integrator. Altemative opamps can be and Low-pass output contains DC to 10 Hz, and high-pass output has frequency content above 10 Hz to upper frequency limit approaching 10 MHz for opamp used. Quartz crystal should be cut for operation in series-resonant mode. Frequency range is to Hz, and FM bandwidth of error-voltage output is 20 Hz. Circuit 2n3460 are for 1 MHz, but tuned circult can be adjusted to other desired frequency. Use R2A to trim bandwidth to exactly 0.


Value of input resistor is 10K 10, ohms when gain K is 1. Sams, Indianapolis, IN,p L1 trims crystal frequency. With minor modifications, same circuit can be used for and kHz crystals. If R9 is advanced far enough with switch set to pass, circuit will oscllate and give sine-wave output at tuned frequency. Use series-resonant crystal having pF series capacitance.

Basic Circuit

Adjust 1K pot for reliable start-up and symmetrical square-wave output. Finally, trim center frequency to exactly 1.

Dynamic output impedance of both outputs is less than 1 ohm. L1 is 9 tums No.

2N4360 Datasheet

Van Dalsen, Need an Active Filter? Article covers theory of operation. Gain is fixed at -2Q2, where Q is reciprocal of damping d and ranges from less than 1 to above Oscillator uses two stages, one oporating in class A and the other operating as limiter that also serves as feedback path. For equivalent high-pass filter, transpose positions of resistors and capacitors.

Q1 can be 2N or T1M Starting is reliable and stability is good. DC output of low-pass terminal equals DC input plus offset voltages of both opamps. Table gives values of R1 and C1 for three different values of Q.

Diodes are 1N34A or 1N Datasheer justments are almost perfectly noninteracting if made in sequence given. 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.


Adiust resistor values to tune centerfrequency. Circuit is basically voltage-controlled bandpass filter using Optical Electronics active filter with analog multipliers.

2N Transistors – 3 in stock to buy, photo, pdf datasheet, rfq, obsolete

Can also serve as test transmitter putting out up to 20 mW. Opamp selected should have open-loop gain of 5 to 10 times required gain at resonance. For Q of 3, feedback resistor should be 36 times value of input resistor. When signal goes outside tracking range, circuit sweeps between low- and high-frequency limits until suitable signal reappears. Resistor across crustal prevents oscillation 2h4360 undesired modes.

Variable Q feature is controlled by single passive RC network. By adding single-transistor stage, oscillator can be used as clock generator for TTL circuits.