Attenuation and Pulse Broadening in a Fiber Optic Link
... II.2. Pulse broadening due to receiver capacitance: The pulse broadening and the limitation in bandwidth can also be affected by increasing the capacitance across the PIN diode, thus affecting the RC time constant of the receiver. The pulse broadening may cause overlapping of neighboring pulses. To ...
... II.2. Pulse broadening due to receiver capacitance: The pulse broadening and the limitation in bandwidth can also be affected by increasing the capacitance across the PIN diode, thus affecting the RC time constant of the receiver. The pulse broadening may cause overlapping of neighboring pulses. To ...
Circuit Timing
... A timing table may specify a range of values for each delay for a device. Maximum: longest possible delay Typical: under near-ideal condition Minimum: smallest. Many manufactures don’t specify this values in most moderate-speed logic families (74LS,74S TTL). Set to zero or 1/4~1/3 of typical ...
... A timing table may specify a range of values for each delay for a device. Maximum: longest possible delay Typical: under near-ideal condition Minimum: smallest. Many manufactures don’t specify this values in most moderate-speed logic families (74LS,74S TTL). Set to zero or 1/4~1/3 of typical ...
AM Radio - s3.amazonaws.com
... – Electromagnetics (antennas, high-frequency circuits) – Power (batteries, power supplies) – Solid state (miniaturization, low-power electronics) Lecture 27 ...
... – Electromagnetics (antennas, high-frequency circuits) – Power (batteries, power supplies) – Solid state (miniaturization, low-power electronics) Lecture 27 ...
LM1889 TV Video Modulator
... circuit and deviating the center frequency via a capacitor or a varactor diode. Switching a 5 pF capacitor to ground at an audio frequency rate will cause a 50 kHz deviation from 4.5 MHz. A 1N5447 diode biassed b4V from pin 16 will give g 20 kHz deviation with a 1 Vp-p audio signal. The coupling net ...
... circuit and deviating the center frequency via a capacitor or a varactor diode. Switching a 5 pF capacitor to ground at an audio frequency rate will cause a 50 kHz deviation from 4.5 MHz. A 1N5447 diode biassed b4V from pin 16 will give g 20 kHz deviation with a 1 Vp-p audio signal. The coupling net ...
Signal Conditioning Circuits :Power Supplies
... undesired signals can be eliminated with a filter that is designed to attenuate the noise signals but transmit the transducer signal without distortion. Two filters that utilize passive components and are commonly employed in signal conditioning include (1) High-pass RC filter and (2) Low-pass RC ...
... undesired signals can be eliminated with a filter that is designed to attenuate the noise signals but transmit the transducer signal without distortion. Two filters that utilize passive components and are commonly employed in signal conditioning include (1) High-pass RC filter and (2) Low-pass RC ...
Synchronous demodulator
... - The AM is thus simply a special form of frequency mixing. - The envelope curve modulation is a simple form of demodulation to get Uam and it is performed in two part: 1- First we use a diode to recover the wanted signal(the diode pass the positive side of the signal Uam(max)) 2- Second we use a lo ...
... - The AM is thus simply a special form of frequency mixing. - The envelope curve modulation is a simple form of demodulation to get Uam and it is performed in two part: 1- First we use a diode to recover the wanted signal(the diode pass the positive side of the signal Uam(max)) 2- Second we use a lo ...
PIT 96.1 - Communications and signal processing
... is only equivalent to about 1 phase shift, which is fairly negligible. For a telephone wire 1 km long the propagation time will be 5 µsec, but the highest frequency in the voice signal is only about 5 kHz, for which this gives about 10 phase shift (note that the phase shift = 2t/T = t, wher ...
... is only equivalent to about 1 phase shift, which is fairly negligible. For a telephone wire 1 km long the propagation time will be 5 µsec, but the highest frequency in the voice signal is only about 5 kHz, for which this gives about 10 phase shift (note that the phase shift = 2t/T = t, wher ...
SIGnal Workbench
... Concurrent’s family of SIGnal Workbench products provides flexible, programmable signal conditioning solutions for a wide range of automotive, aerospace and data acquisition applications. SIGnal Workbench is ideal for hardware-in-the-loop test stands and dynamic data processing and monitoring system ...
... Concurrent’s family of SIGnal Workbench products provides flexible, programmable signal conditioning solutions for a wide range of automotive, aerospace and data acquisition applications. SIGnal Workbench is ideal for hardware-in-the-loop test stands and dynamic data processing and monitoring system ...
Single core
... • Since a communications channel has a limited bandwidth, when a signal is transmitted over a channel, only those frequency components that are within the channel bandwidth will be received. • The larger the channel bandwidth, the more higher-frequency components are received and hence the closer is ...
... • Since a communications channel has a limited bandwidth, when a signal is transmitted over a channel, only those frequency components that are within the channel bandwidth will be received. • The larger the channel bandwidth, the more higher-frequency components are received and hence the closer is ...
Linear Position Sensors: LVDT Sensors | TE Connectivity
... 3 Volts rms for driving normal LVDTs, changeable to 1.3 Volts rms for operating LVDTs with low primary impedance. For multiple channel applications, several LVC-2401 modules can be connected together in master/slave mode to synchronize their excitation oscillator frequency, thereby eliminating heter ...
... 3 Volts rms for driving normal LVDTs, changeable to 1.3 Volts rms for operating LVDTs with low primary impedance. For multiple channel applications, several LVC-2401 modules can be connected together in master/slave mode to synchronize their excitation oscillator frequency, thereby eliminating heter ...
AM Principles_Lecture2
... • Low level AM produces the AM signal at a very low power level. High power amplifiers increase the power to the desired level. Less efficient linear amplifiers must be used to amplify the AM signal. • High level AM is produced by amplitude modulating the final amplifier stage in a transmitter. More ...
... • Low level AM produces the AM signal at a very low power level. High power amplifiers increase the power to the desired level. Less efficient linear amplifiers must be used to amplify the AM signal. • High level AM is produced by amplitude modulating the final amplifier stage in a transmitter. More ...
sidebands
... In the modulation process, the voice, video, or digital signal modifies another signal called the carrier. In amplitude modulation (AM) the information signal varies the amplitude of the carrier sine wave. The instantaneous value of the carrier amplitude changes in accordance with the amplitud ...
... In the modulation process, the voice, video, or digital signal modifies another signal called the carrier. In amplitude modulation (AM) the information signal varies the amplitude of the carrier sine wave. The instantaneous value of the carrier amplitude changes in accordance with the amplitud ...
Infra Red Door Monitor System
... module will recognize there is no more infrared signal and it will produce a constant high voltage (+5V) as the input of the receiver circuit. ...
... module will recognize there is no more infrared signal and it will produce a constant high voltage (+5V) as the input of the receiver circuit. ...
using only two transistors
... Building an AM receiver is a simple project for a beginner, but building an FM receiver is rather trickier. However, with a little ingenuity we can get away with a very small number of components: our superregenerative ‘audion’ receiver uses just two transistors, two coils and a few capacitors. A ‘m ...
... Building an AM receiver is a simple project for a beginner, but building an FM receiver is rather trickier. However, with a little ingenuity we can get away with a very small number of components: our superregenerative ‘audion’ receiver uses just two transistors, two coils and a few capacitors. A ‘m ...
Communication Skills
... The elemental sounds of speech are called phonemes, and in the case of English correspond to the vowels and consonants of the language. There are about 42 phonemes in the English language and they constitute the ‘alphabet’ of speech recognition. There are two views of a sound signal: a time-domain v ...
... The elemental sounds of speech are called phonemes, and in the case of English correspond to the vowels and consonants of the language. There are about 42 phonemes in the English language and they constitute the ‘alphabet’ of speech recognition. There are two views of a sound signal: a time-domain v ...
word
... instruments to estimate uncertainties on voltages and resistances); compare measurement with expectation -- agreement within measurement uncertainties? about gain vs. input amplitude: - think about the fact that the output signal size saturates at some value -- no matter what the input is, the o ...
... instruments to estimate uncertainties on voltages and resistances); compare measurement with expectation -- agreement within measurement uncertainties? about gain vs. input amplitude: - think about the fact that the output signal size saturates at some value -- no matter what the input is, the o ...
meres stilusfajl
... 3.1. Measure DC voltages of B, E, and C points and calculate the emitter current of the working point! Connect to the input a 1 kHz, 1 Vpp sine-wave signal! Connect the oscilloscope Y1, Y2 channels to points C and E and observe the operation of the circuit (phase relation, signal levels). Using the ...
... 3.1. Measure DC voltages of B, E, and C points and calculate the emitter current of the working point! Connect to the input a 1 kHz, 1 Vpp sine-wave signal! Connect the oscilloscope Y1, Y2 channels to points C and E and observe the operation of the circuit (phase relation, signal levels). Using the ...
angle modulation
... In effect, in FM, the total power that is originally in the carrier is redistributed between all components of the spectrum, in an amount determined by the modulation index, mf, and the corresponding Bessel functions. At certain value of modulation index, the carrier component goes to zero, where in ...
... In effect, in FM, the total power that is originally in the carrier is redistributed between all components of the spectrum, in an amount determined by the modulation index, mf, and the corresponding Bessel functions. At certain value of modulation index, the carrier component goes to zero, where in ...
F:\Instrumental Considerations.wpd
... summed the result is to increase the relative amplitude of the signal compared to the noise. S/N increases (Figure 26). The difficulty of this form of filtering is that it requires absolute precision in initiating the waveforms. If the waveforms of the base signal are at all out of phase they will d ...
... summed the result is to increase the relative amplitude of the signal compared to the noise. S/N increases (Figure 26). The difficulty of this form of filtering is that it requires absolute precision in initiating the waveforms. If the waveforms of the base signal are at all out of phase they will d ...
Analog television
Analog television or analogue television is the original television technology that used analog signals to transmit video and audio. In an analog television broadcast, the brightness, colors and sound are represented by rapid variations of either the amplitude, frequency or phase of the signal.Analog signals vary over a continuous range of possible values which means that electronic noise and interference becomes reproduced by the receiver. So with analog, a moderately weak signal becomes snowy and subject to interference. In contrast, a moderately weak digital signal and a very strong digital signal transmit equal picture quality. Analog television may be wireless or can be distributed over a cable network using cable converters.All broadcast television systems preceding digital transmission of digital television (DTV) used analog signals.Analog television around the world has been in the process of shutting down since the late 2000s and is expected to be completely replaced by digital television by 2021.