AN-804 Improving A/D Converter Performance Using Dither
... input voltage is assigned a probability distribution for being in one of several digital codes. Now, different voltages within the same ‘‘step’’ of the original ADC transfer function are assigned different probability distributions. Thus, one can see how the resolution of an ADC can be improved to b ...
... input voltage is assigned a probability distribution for being in one of several digital codes. Now, different voltages within the same ‘‘step’’ of the original ADC transfer function are assigned different probability distributions. Thus, one can see how the resolution of an ADC can be improved to b ...
U. Kim Spiral Inductor
... Can get greater Q without altering the fabrication process Differential signal path requires extra chip area compared to a single-ended Symmetrical inductor has better performance than asymmetric inductor. Adjacent conducting strips : voltage (anti-phase), current (same direction) Reinforces ...
... Can get greater Q without altering the fabrication process Differential signal path requires extra chip area compared to a single-ended Symmetrical inductor has better performance than asymmetric inductor. Adjacent conducting strips : voltage (anti-phase), current (same direction) Reinforces ...
experiment 2 - Penn Engineering
... to filter out 60Hz frequencies and would be useful for filtering out power line frequency and its harmonics. This is one of the most common uses of notch filters. In addition to dealing with the problem of power line noise in signals such as an electrocardiogram (ECG), notch filters are often used t ...
... to filter out 60Hz frequencies and would be useful for filtering out power line frequency and its harmonics. This is one of the most common uses of notch filters. In addition to dealing with the problem of power line noise in signals such as an electrocardiogram (ECG), notch filters are often used t ...
... regarding system stability. The medium vectors produce NP current that mostly has the same direction because of this harmonic. For example, if the initial phase of this harmonic is +90º, the current ib is mostly positive during the time that the reference vector is in the first sextant (Fig. 6.5). A ...
ADV7127 数据手册DataSheet 下载
... The ADV7127 TSSOP package also has a power-down mode. Both ADV7127 packages have a power standby mode. The ADV7127 TSSOP package has an on-board voltage reference circuit. The ADV7127 SOIC package requires an external reference. ...
... The ADV7127 TSSOP package also has a power-down mode. Both ADV7127 packages have a power standby mode. The ADV7127 TSSOP package has an on-board voltage reference circuit. The ADV7127 SOIC package requires an external reference. ...
Document
... inverting stage and a voltage follower for low output impedance the voltage follower may be missing if the load is known to be strictly capacitive frequency compensation for closed loop stability probably required (more on this later) elementary amplifier stages → subsequent V-I and I-V conver ...
... inverting stage and a voltage follower for low output impedance the voltage follower may be missing if the load is known to be strictly capacitive frequency compensation for closed loop stability probably required (more on this later) elementary amplifier stages → subsequent V-I and I-V conver ...
ULTRAGAIN PRO-8 DIGITAL ADA8000
... the voltage to which your unit has been set up, and can be altered by rotating the fuse compartment by 180°. ATTENTION: This does not apply to export models that were for example manufactured only for use with 120 V! ...
... the voltage to which your unit has been set up, and can be altered by rotating the fuse compartment by 180°. ATTENTION: This does not apply to export models that were for example manufactured only for use with 120 V! ...
ch_04_Ph_L_Digital_T..
... •RZ encoding has 3 values to build up sync per each bit. •the signal changes between and during each bit •1 represented by positive to zero (in the 2nd part of the bit) •0 represented by negative to zero (in the 2nd part of the bit) so it occupies more bandwidth. It is the most effective so far. ...
... •RZ encoding has 3 values to build up sync per each bit. •the signal changes between and during each bit •1 represented by positive to zero (in the 2nd part of the bit) •0 represented by negative to zero (in the 2nd part of the bit) so it occupies more bandwidth. It is the most effective so far. ...
a CMOS, 240 MHz 10-Bit High Speed Video DAC ADV7127
... The ADV7127 TSSOP package also has a power-down mode. Both ADV7127 packages have a power standby mode. The ADV7127 TSSOP package has an on-board voltage reference circuit. The ADV7127 SOIC package requires an external reference. ...
... The ADV7127 TSSOP package also has a power-down mode. Both ADV7127 packages have a power standby mode. The ADV7127 TSSOP package has an on-board voltage reference circuit. The ADV7127 SOIC package requires an external reference. ...
Module 2 – Number Systems, Operations and Codes
... sequences. The most common use of codes is in error detection and correction. A binary sequence of bits can tell you if data has been corrupted. Some codes look for a repeated pattern and send a key to verify that the pattern was not changed during transmission. Parity sends an additional 1 or 0 at ...
... sequences. The most common use of codes is in error detection and correction. A binary sequence of bits can tell you if data has been corrupted. Some codes look for a repeated pattern and send a key to verify that the pattern was not changed during transmission. Parity sends an additional 1 or 0 at ...
Microwave harmonic generation in fiber
... digital baseband signals is well described in the literature. However, for analogue MW/MMW IM/DD optical links chromatic dispersion has not been fully analyzed yet. In this paper MW harmonic generation in IM/DD fiberoptical links is discussed. The influence of chromatic dispersion on the optical tra ...
... digital baseband signals is well described in the literature. However, for analogue MW/MMW IM/DD optical links chromatic dispersion has not been fully analyzed yet. In this paper MW harmonic generation in IM/DD fiberoptical links is discussed. The influence of chromatic dispersion on the optical tra ...
Analog to Digital Converters (ADC)
... noise will be included in the conversion process. ◊ There are external and internal sources of noise. ◊ External: use filters and proper techniques to minimize noise (such as decoupling, isolation, etc) ◊ Internal: switching noise occurs with AD converters. Use filters, decoupling and ground isolati ...
... noise will be included in the conversion process. ◊ There are external and internal sources of noise. ◊ External: use filters and proper techniques to minimize noise (such as decoupling, isolation, etc) ◊ Internal: switching noise occurs with AD converters. Use filters, decoupling and ground isolati ...
All Purpose Analog Switch Design Hints 144 KB
... A consideration in muxing signals (selecting 1 of 2 or more channels) is when a make-before-break action occurs. This is not desirable because channels are connected at the same time. A good multiplexer has a break-before-make switch action, this guarantees only one channel is selected at the same t ...
... A consideration in muxing signals (selecting 1 of 2 or more channels) is when a make-before-break action occurs. This is not desirable because channels are connected at the same time. A good multiplexer has a break-before-make switch action, this guarantees only one channel is selected at the same t ...
Chapter 15
... In circuits containing only resistive elements the current is related to the applied voltage by the resistance of the arrangement In circuits containing reactive, as well as resistive elements, the current is related to the applied voltage by the impedance, Z of the arrangement – this reflects n ...
... In circuits containing only resistive elements the current is related to the applied voltage by the resistance of the arrangement In circuits containing reactive, as well as resistive elements, the current is related to the applied voltage by the impedance, Z of the arrangement – this reflects n ...
delay-free lossy audio coding using shelving pre- and post
... To allow the post-filter to be the exact inverse of the prefilter, the filter coefficients are transmitted alongside the quantized audio data. The resulting increase in bit-rate is limited by cutting the audio stream into frames and transmitting the filter coefficients only once per frame. These frames ar ...
... To allow the post-filter to be the exact inverse of the prefilter, the filter coefficients are transmitted alongside the quantized audio data. The resulting increase in bit-rate is limited by cutting the audio stream into frames and transmitting the filter coefficients only once per frame. These frames ar ...
Amplitude Modulation Fundamentals
... Preventing overmodulation is tricky. For example, at different times during voice transmission voices will go from low amplitude to high amplitude. Normally, the amplitude of the modulating signal is adjusted so that only the voice peaks produce 100 percent modulation. This prevents overmodulation a ...
... Preventing overmodulation is tricky. For example, at different times during voice transmission voices will go from low amplitude to high amplitude. Normally, the amplitude of the modulating signal is adjusted so that only the voice peaks produce 100 percent modulation. This prevents overmodulation a ...
Topic: High Performance Data Acquisition Systems Analog
... although a 14 bit ADC may have a theoretical SNR (Signal to Noise ratio) of 86db, it can be quite possible to have only 10-12 Bit accuracy in regards to SFDR (Spurious Free Dynamic Range) which is connected to the overall integral linearity of the convertor which may not relate at all to the stated ...
... although a 14 bit ADC may have a theoretical SNR (Signal to Noise ratio) of 86db, it can be quite possible to have only 10-12 Bit accuracy in regards to SFDR (Spurious Free Dynamic Range) which is connected to the overall integral linearity of the convertor which may not relate at all to the stated ...
Modulation and Demodulation
... required bandwidth to include the sideband frequencies. If the tuned amplifier has insufficient bandwidth, the upper sideband frequencies may not be reproduced by the radio receiver. Example 16.4. A 2500 kHz carrier is modulated by audio signal with frequency span of 50 − 15000 Hz. What are the freq ...
... required bandwidth to include the sideband frequencies. If the tuned amplifier has insufficient bandwidth, the upper sideband frequencies may not be reproduced by the radio receiver. Example 16.4. A 2500 kHz carrier is modulated by audio signal with frequency span of 50 − 15000 Hz. What are the freq ...
Milagro Front−end Electronics Manual
... A. The low voltage supplies for the analog cards. Currently, we use supplies made by Acopian to provide +5V and −5V to the analog cards. The individual part number of these switching supplies is W5MT100, which is a 100A (@40degC) supply with a voltage adjustment range of approximately +/−0.25V. Thes ...
... A. The low voltage supplies for the analog cards. Currently, we use supplies made by Acopian to provide +5V and −5V to the analog cards. The individual part number of these switching supplies is W5MT100, which is a 100A (@40degC) supply with a voltage adjustment range of approximately +/−0.25V. Thes ...
LM2889 TV Video Modulator
... Two RF channels are available, with carrier frequencies up to 100 MHz being determined by L-C tank circuits at pins 4/ 5 and 6/7. The signal inputs (pins 10 and 11) are common to both modulators, but removing the power supply from an RF oscillator will also disable that modulator. The offset between ...
... Two RF channels are available, with carrier frequencies up to 100 MHz being determined by L-C tank circuits at pins 4/ 5 and 6/7. The signal inputs (pins 10 and 11) are common to both modulators, but removing the power supply from an RF oscillator will also disable that modulator. The offset between ...
Audio Watermarking with Error Correction
... phenomenon, coupled with the exponential increase of computer performance, has facilitated the distribution of multimedia data such as images, audio, video etc. Data transmission has been made very simple, fast and accurate using the internet. However, one of the main problems associated with transm ...
... phenomenon, coupled with the exponential increase of computer performance, has facilitated the distribution of multimedia data such as images, audio, video etc. Data transmission has been made very simple, fast and accurate using the internet. However, one of the main problems associated with transm ...
Broadcast television systems
Broadcast television systems are encoding or formatting standards for the transmission and reception of terrestrial television signals. There were three main analog television systems in use around the world until late 2010s (expected): NTSC, PAL, and SECAM. Now in digital television (DTV), there are four main systems in use around the world: ATSC, DVB, ISDB and DTMB.