AN2321: Designing for Board Level Electromagnetic
... electromagnetic compatibility (EMC). Achieving board level EMC may not be enough. Although the circuit may be working at the board level, but it may be radiating noise to other parts of the system, causing problems at the system level. Furthermore, EMC at the system or equipment level may have to sa ...
... electromagnetic compatibility (EMC). Achieving board level EMC may not be enough. Although the circuit may be working at the board level, but it may be radiating noise to other parts of the system, causing problems at the system level. Furthermore, EMC at the system or equipment level may have to sa ...
Chapter 11: Overvoltage Effects on Analog Integrated Circuits
... Therefore, other measures must be taken in order to identify the conduction paths. A standard transistor curve tracer can be configured to determine the current-voltage characteristic of any amplifier regardless of input circuit topology. Both amplifier supply pins are connected to ground, and the c ...
... Therefore, other measures must be taken in order to identify the conduction paths. A standard transistor curve tracer can be configured to determine the current-voltage characteristic of any amplifier regardless of input circuit topology. Both amplifier supply pins are connected to ground, and the c ...
Audio Transformers - Jensen Transformers
... being drawn from the driving source, which creates additional flux just sufficient to completely cancel that created by the secondary. The result, which may surprise some, is that flux density in a transformer is not increased by load current. This also illustrates how load current on the secondary ...
... being drawn from the driving source, which creates additional flux just sufficient to completely cancel that created by the secondary. The result, which may surprise some, is that flux density in a transformer is not increased by load current. This also illustrates how load current on the secondary ...
Si4455 LOW-POWER PA MATCHING
... This application note provides a description of the matching techniques applied to the low-power Si4455 RFIC family. The typical power regime of the Si4455 is primarily devoted to +10 dBm applications, but it is also able to achieve 12 to 13 dB if required. The matching network has a number of goals ...
... This application note provides a description of the matching techniques applied to the low-power Si4455 RFIC family. The typical power regime of the Si4455 is primarily devoted to +10 dBm applications, but it is also able to achieve 12 to 13 dB if required. The matching network has a number of goals ...
A Frequency Agile Switched Delay Line Slow-wave BiCMOS Filter
... need for transceivers that can simultaneously handle multiple standards and frequency bands [3]. To this end, the ability to achieve frequency agile filtering needs to be developed for transceivers in the mm-wave band [3]. Passive filter designs [4] are preferred due to their stability, wide operati ...
... need for transceivers that can simultaneously handle multiple standards and frequency bands [3]. To this end, the ability to achieve frequency agile filtering needs to be developed for transceivers in the mm-wave band [3]. Passive filter designs [4] are preferred due to their stability, wide operati ...
.Power`World - A Software Approach to Transmission Line Fault
... negative-, and zero-sequence networks of the power system under study, based on which one further needs to work out the impedance of three thevenin equivalent circuits as viewed from faulty point. Then the positive-, negative- and zerosequence components of phase-a faulty-point-toground current can ...
... negative-, and zero-sequence networks of the power system under study, based on which one further needs to work out the impedance of three thevenin equivalent circuits as viewed from faulty point. Then the positive-, negative- and zerosequence components of phase-a faulty-point-toground current can ...
SiGe BiCMOS LNA`S AND TUNABLE ACTIVE FILTER FOR
... the same time allow a high production yield at a low cost. The use of BiCMOS technologies based on silicon germanium (SiGe) hetero-junction bipolar transistors (HBT’s) to enhance RF performance could enable RF functions to be integrated on the same chip as complex digital functions. A key component ...
... the same time allow a high production yield at a low cost. The use of BiCMOS technologies based on silicon germanium (SiGe) hetero-junction bipolar transistors (HBT’s) to enhance RF performance could enable RF functions to be integrated on the same chip as complex digital functions. A key component ...
The Ideal Transformer Description and Circuit Symbol As with all the
... tower to warn aircraft. The light can be supplied from the 120-V power mains, but one terminal of the power mains is earth grounded. This is required for safety purposes should there be an insulation failure or a lightning strike in the power system. One could attempt to run wires up the tower to th ...
... tower to warn aircraft. The light can be supplied from the 120-V power mains, but one terminal of the power mains is earth grounded. This is required for safety purposes should there be an insulation failure or a lightning strike in the power system. One could attempt to run wires up the tower to th ...
Nominal impedance
Nominal impedance in electrical engineering and audio engineering refers to the approximate designed impedance of an electrical circuit or device. The term is applied in a number of different fields, most often being encountered in respect of:The nominal value of the characteristic impedance of a cable or other form of transmission line.The nominal value of the input, output or image impedance of a port of a network, especially a network intended for use with a transmission line, such as filters, equalisers and amplifiers.The nominal value of the input impedance of a radio frequency antennaThe actual impedance may vary quite considerably from the nominal figure with changes in frequency. In the case of cables and other transmission lines, there is also variation along the length of the cable, if it is not properly terminated. It is usual practice to speak of nominal impedance as if it were a constant resistance, that is, it is invariant with frequency and has a zero reactive component, despite this often being far from the case. Depending on the field of application, nominal impedance is implicitly referring to a specific point on the frequency response of the circuit under consideration. This may be at low-frequency, mid-band or some other point and specific applications are discussed in the sections below.In most applications, there are a number of values of nominal impedance that are recognised as being standard. The nominal impedance of a component or circuit is often assigned one of these standard values, regardless of whether the measured impedance exactly corresponds to it. The item is assigned the nearest standard value.