O circuito lógico TTL é um dispositivo TTL que possui quatro portas lógicas AND de duas entradas cada porta. Ele é usado, principalmente, em circuitos. jpg ( × pixels, file size: 15 KB, MIME type: image/jpeg). Open in Media English: chip Date, 14 Circuito integrado Utilice dos CI y un CI Contador decimal Esto se hace iniciando el circuito con cada uno de los seis estados no utilizados mediante las entradas de .

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Q1 and Q2 3. Over the period investigated, the Off state is the prevalent one. For reverse-bias potentials in excess of 10 V the capacitance levels off at about 1.

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For information regarding permission swrite to: The data obtained in this experiment was based on the use of a 10 volt Zener diode. V IN increases linearly from 6 V to 16 V in 0.

There are five clock pulses to the left of the cursor.

Thus, the design is circyito stable in regard to any Beta variation. Draw a straight line through the two points located above, as shown below. A donor atom has five electrons in its outermost valence shell while an acceptor atom has only 3 electrons in the valence shell.


In general, Class A amplifiers operate close to a 25 percent efficiency. Silicon diodes also have a higher current handling capability. However, for non-sinusoidal waves, a true rms DMM must be employed.

Thus, the values of the biasing resistors for the same bias design but employing different JFETs clrcuito differ considerably. Parallel Clippers Sinusoidal Input b. Voltage Divider-Bias Network b. Half-Wave Rectification continued b.

There are ten clock pulses to the left of the cursor. Q relative to the input pulse U1A: An n-type semiconductor material has an excess of electrons for conduction established by doping an intrinsic material with donor atoms having more valence electrons than needed to establish the covalent bonding.

Y of the U2A gate. Experimental Determination of Logic States a. The Collector Characteristics d.

The gain is about 20 percent below the expected value. The experimental and the simulation transition states occur at the same times. Zener Diode Characteristics b. At higher illumination ckrcuito, the change in VOC drops to nearly zero, while the current continues to rise linearly.


Both circuifo are in essential agreement. Indeed it is, the difference between calculated and measured values is only 10 Hz using the counter, whereas the difference between signal generator setting and calculated values was 50 Hz. Computer Exercise PSpice Simulation 1.


Y is identical to that of the output terminal U2A: The difference between the input voltages and the output voltage is caused by the voltage drop through the flip flop. See Circuit diagram above. In general, the lowest IC which will yield proper VCE is preferable since it keeps power losses down.

Logic States versus Voltage Levels a. The voltage at the output terminal was 3. Common-emitter input characteristics may be used directly for common-collector calculations. Therefore, a plot of IC vs. Computer Analysis PSpice Simulation 1.