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Transistor–transistor logic (TTL) is a class of digital circuits built from
Transistor–transistor logic (TTL) is a class of digital circuits built from

... constructed to be symmetrical. That is, the drain and source connections to any individual transistor can be interchanged without affecting the performance of either the transistor itself or the circuit as a whole. When the N- and P-type FETs are connected as shown here and their gates are driven fr ...
x - Research Commons@Waikato
x - Research Commons@Waikato

... Firstly, an investigation is conducted into a well documented effect in bipolarjunction transistors (BJTs) called inherent third-order distortion nulling. This effect is shown to be a fundamental result of the transistor’s transfer function acting upon an input signal. The proof of a single BJT emit ...
High-Voltage, High-Current OPERATIONAL AMPLIFIER DESCRIPTION FEATURES
High-Voltage, High-Current OPERATIONAL AMPLIFIER DESCRIPTION FEATURES

... The OPA547 is a low-cost, high-voltage/high-current operational amplifier ideal for driving a wide variety of loads. A laser-trimmed monolithic integrated circuit provides excellent low-level signal accuracy and high output voltage and current. The OPA547 operates from either single or dual supplies ...
Issue 22 - HP Archive
Issue 22 - HP Archive

... ibrator must be supplied from an external source. The voltage applied to the instrument is monitored at the input to the coaxial attenuator and the low-level output from the attenuator appears in series with a 50-ohm impedance-matching resistor. The rf voltmeter is calibrated to indicate the output ...
SA-S90-24MCC - P84503
SA-S90-24MCC - P84503

... same protected area. This control unit does not generate a temporal pattern signal. If the distinctive three-pulse temporal pattern Fire Alarm Evacuation (or total evacuation) in accordance with NFPA 72, is required, the control unit must be used with appliances that can generate the temporal patter ...
LECTURE 060 – PUSH-PULL OUTPUT STAGES
LECTURE 060 – PUSH-PULL OUTPUT STAGES

... • The objectives are to provide output power in form of voltage and/or current. • In addition, the output amplifier should be linear and be efficient. • Low output resistance is required to provide power efficiently to a small load resistance. • High source/sink currents are required to provide suff ...
AN1830
AN1830

... Overall, the ST7LITE2 ADC + Amplifier is a good price/performance trade-off with effective resolution of 13-bit, which can be used in various applications where small signal amplification is required with minimum hardware interface. The accuracy of the ADC is also good, provided you take note of VOF ...
Rider TV1 - Early Television Foundation
Rider TV1 - Early Television Foundation

Student Biographies
Student Biographies

... An extremely useful way to characterize a signal or arbitrary waveform (time function) is in terms of its frequency spectrum The frequency spectrum description is obtained through the use of mathematical tools such as the Fourier series and Fourier transform (we will only introduce the topic here an ...
OIP A 67 dBm Multistacked Junction Varactor 3
OIP A 67 dBm Multistacked Junction Varactor 3

... When connecting varactor stacks in series, the applied RF voltage will be divided over the stacks. Since the (remaining) nonlinearities of these varactor stacks are excited with a voltage that is times lower, their resulting nonlinear currents will be reduced. One of the key advantages of the NTSVS ...
PIO-16/16L(PCI)H
PIO-16/16L(PCI)H

... a digital signal I/O function on a PC. This product can input and output digital signals at 12 - 24VDC. This product features 16 opto-coupler isolated inputs and 16 opto-coupler isolated open-collector outputs. You can use 16 input signals as interrupt inputs. In addition, the digital filter functio ...
AN9 - Application Considerations and Circuits for a New Chopper-Stabilized Op Amp
AN9 - Application Considerations and Circuits for a New Chopper-Stabilized Op Amp

... and Q6. These devices energize L1, which generates floating power on the input side of the dashed barrier shown. Simultaneously, the oscillator provides slightly delayed complementary drive to the Q1-Q2 FET switches via the 330Ω-100pF network and the additional inverters. The floating power produced b ...
MAX4249–MAX4257 UCSP, Single-Supply, Low-Noise, Low-Distortion, Rail-to-Rail Op Amps General Description
MAX4249–MAX4257 UCSP, Single-Supply, Low-Noise, Low-Distortion, Rail-to-Rail Op Amps General Description

... ultra-low distortion (0.0002% THD), as well as low input voltage-noise density (7.9nV/√Hz) and low input current-noise density (0.5fA/√Hz). These features make the devices an ideal choice for portable/battery-powered applications that require low distortion and/or low noise. For additional power con ...
MAX5180/MAX5183 Dual, 10-Bit, 40MHz, Current/Voltage Simultaneous-Output DACs General Description
MAX5180/MAX5183 Dual, 10-Bit, 40MHz, Current/Voltage Simultaneous-Output DACs General Description

... with low distortion and low-power operation. The MAX5183 provides equal specifications, with on-chip precision resistors for voltage output operation. The devices are designed for 10pVs glitch operation to minimize unwanted spurious signal components at the output. An on-board 1.2V bandgap circuit p ...
Evaluates:  MAX4374/MAX4375 MAX4374 Evaluation Kit General Description Features
Evaluates: MAX4374/MAX4375 MAX4374 Evaluation Kit General Description Features

... is also available in 14-pin SO, but that package is not compatible with this EV kit. The MAX4374 EV kit PCB comes with a MAX4374FEUB+ installed, which is the 50V/V gain version. The MAX4374 EV kit can also be used to evaluate the MAX4374T (20V/V gain version), MAX4374H (100V/V gain version), MAX4375 ...
Experiment 7 - Rensselaer Polytechnic Institute
Experiment 7 - Rensselaer Polytechnic Institute

... Op-amp limitations: Just like all real circuit elements, op-amps have certain limitations which prevent them from performing optimally under all conditions. The one you are most likely to encounter in this class is called saturation. An op amp becomes saturated if it tries to put out a voltage level ...
www .wpiinc.com - World Precision Instruments
www .wpiinc.com - World Precision Instruments

... We recommend that you first use the female DIN connector provided as an intermediate step to test the transducer/amplifier combination before permanently removing our 8-pin DIN and replacing it with the required connector (if you wish to make the modification permanent). WPI transducers require two ...
biasing
biasing

...  For a good p-n junction made of silicon, the ratio RR/RF should be equal to or greater than 1000:1.  Although not shown, the resistance measured between the collector and emitter should read high or infinite for both connections of the meter leads. ...
ST NE556
ST NE556

Noise in Electronics
Noise in Electronics

... • Ideal Capacitors and Inductors : No dissipation, and as a result of dissipation-fluctuation theorem No Noise • Diodes: Noise due to the particulate nature of electrons and random transmission ...
PDF
PDF

... The tremendous success of the low-power designs of VLSI circuits over the past 50 years has significant change in our life style. Integrated circuits are everywhere from computers to automobiles, from cell phones to home appliances. The growth of the low-power circuits is predicted to continue at fa ...
MAX9943/MAX9944 High-Voltage, Precision, Low-Power Op Amps General Description Features
MAX9943/MAX9944 High-Voltage, Precision, Low-Power Op Amps General Description Features

... During normal op-amp operation, the inverting and noninverting inputs of the MAX9943/MAX9944 are at essentially the same voltage. However, either due to fast input voltage transients or due to other fault conditions, these pins can be forced to be at two different voltages. ...
LMV861 数据资料 dataSheet 下载
LMV861 数据资料 dataSheet 下载

... phase margin of the amplifier. If the phase margin is significantly reduced, the response will be under damped which causes peaking in the transfer and, when there is too much peaking, the op amp might start oscillating. The LMV861 and LMV862 can directly drive capacitive loads up to 200 pF without ...
Improving common-mode rejection using the right
Improving common-mode rejection using the right

... In an ECG system, a large amount of electromagnetic interference (EMI) is coupled to the patient’s body through the skin. EMI can also couple to the ECG system through coupling capacitors C2 and CT as shown in Figure 1. Furthermore, It can be coupled to the system through a power coupling capacitor, ...
Reusing and Rerating Older Rectifiers with New DC/DC
Reusing and Rerating Older Rectifiers with New DC/DC

... application for reusing and rerating using a chopper. A diode rectifier without saturable reactor phase control would be ideal. If reactors are used, they must be configured to have a minimum effect on the system. If feasible, the reactors can be removed. 2) Thyristor Rectifiers: These can also be u ...
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Tube sound



Tube sound (or valve sound) is the characteristic sound associated with a vacuum tube-based audio amplifier. After introduction of solid state amplifiers, tube sound appeared as the logical complement of transistor sound, which had some negative connotations due to crossover distortion of early transistor amplifiers. The audible significance of tube amplification on audio signals is a subject of continuing debate among audio enthusiasts.Many electric guitar, electric bass, and keyboard players in several genres also prefer the sound of tube instrument amplifiers or preamplifiers.
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