Design Considerations on Current-Mode and Voltage-Mode
... (simple diode-bridge rectifier or power factor preregulator), while two additional small capacitors (C1, C2) are used to create the midpoint voltage UA of the half bridge. In this way the parasitic inductances of the loops formed by these capacitors with the switches and the transformer primary wind ...
... (simple diode-bridge rectifier or power factor preregulator), while two additional small capacitors (C1, C2) are used to create the midpoint voltage UA of the half bridge. In this way the parasitic inductances of the loops formed by these capacitors with the switches and the transformer primary wind ...
UC2577-ADJ: Simple Step-Up Voltage
... Step-up (Boost) Regulator The Block Diagram shows a step-up switching regulator utilizing the UC2577. The regulator produces an output voltage higher than the input voltage. The UC2577 turns its switch on and off at a fixed frequency of 52kHz, thus storing energy in the inductor (L). When the NPN sw ...
... Step-up (Boost) Regulator The Block Diagram shows a step-up switching regulator utilizing the UC2577. The regulator produces an output voltage higher than the input voltage. The UC2577 turns its switch on and off at a fixed frequency of 52kHz, thus storing energy in the inductor (L). When the NPN sw ...
Power Supply Theory of Operation
... discontinuous mode. Simply put, in discontinuous mode the secondary current will ramp down to zero (period TS) before Q1 returns to an "ON" state. To prevent the circuit instability that could be caused by saturation of the transformer core, a minimum period of dead time (TD) must be maintained. Dis ...
... discontinuous mode. Simply put, in discontinuous mode the secondary current will ramp down to zero (period TS) before Q1 returns to an "ON" state. To prevent the circuit instability that could be caused by saturation of the transformer core, a minimum period of dead time (TD) must be maintained. Dis ...
A Current-Mode Square-Rooting Circuit Using Negative Feedback Technique
... r.m.s. value of an arbitrary waveform[2]. In the past, squarerooting circuit was proposed by using operational amplifiers(op-amp) and bipolar junction transistors[3]. This approach provides the logarithmic principle to realize a squarerooting function. However the frequency performance is limited by ...
... r.m.s. value of an arbitrary waveform[2]. In the past, squarerooting circuit was proposed by using operational amplifiers(op-amp) and bipolar junction transistors[3]. This approach provides the logarithmic principle to realize a squarerooting function. However the frequency performance is limited by ...
Evaluates: MAX4450 MAX4450 Evaluation Kit General Description Features
... The MAX4450 EV kit circuit’s output bandwidth is 5.25MHz at -3dB point and has an insertion loss greater than 20dB at 13.5MHz and greater than 40dB at 27MHz. Figure 5 illustrates the Signal Gain vs. Input Signal Frequency of the EV kit’s filtering circuit. The group delay variation across the bandwi ...
... The MAX4450 EV kit circuit’s output bandwidth is 5.25MHz at -3dB point and has an insertion loss greater than 20dB at 13.5MHz and greater than 40dB at 27MHz. Figure 5 illustrates the Signal Gain vs. Input Signal Frequency of the EV kit’s filtering circuit. The group delay variation across the bandwi ...
Operational Amplifiers
... result. We are now able to design an amplifier with any desirable gain by simply selecting the appropriate ratio of R1 and R2. However, this design flexibility requires a very large value of A, the open loop gain of the op-amp. In practice this is not a very difficult requirement to achieve. Op-amp ...
... result. We are now able to design an amplifier with any desirable gain by simply selecting the appropriate ratio of R1 and R2. However, this design flexibility requires a very large value of A, the open loop gain of the op-amp. In practice this is not a very difficult requirement to achieve. Op-amp ...
Universal Voltage Conveyor and its Novel Dual-Output Fully
... second-generation current conveyor (DV-DXCCII) and their dual-output VM APF realizations [8,9]. One of the most recently published VM APFs with attractive performance based on a voltage differencing inverting buffered amplifier (VDIBA) was reported in [10]. The VDIBA is a recently introduced four-te ...
... second-generation current conveyor (DV-DXCCII) and their dual-output VM APF realizations [8,9]. One of the most recently published VM APFs with attractive performance based on a voltage differencing inverting buffered amplifier (VDIBA) was reported in [10]. The VDIBA is a recently introduced four-te ...
Very High Accuracy Instrumentation Amplifier
... The output is referred to the output Common terminal which is normally grounded. This must be a low-impedance connection to assure good common-mode rejection. A resistance greater than 0.1Ω in series with the Common pin will cause common-mode rejection to fall below 106dB. ...
... The output is referred to the output Common terminal which is normally grounded. This must be a low-impedance connection to assure good common-mode rejection. A resistance greater than 0.1Ω in series with the Common pin will cause common-mode rejection to fall below 106dB. ...
An Analysis of Output Ripples for PMOS Charge Pumps and Design
... reduce ripples. That means W/L of M8 and M12 can be reduced, but they must be chosen appropriately to avoid degradation of the boosted output voltage and the output current. In fact, IO and T are usually determined by the specifications. C/T is selected to achieve the maximum power efficiency accord ...
... reduce ripples. That means W/L of M8 and M12 can be reduced, but they must be chosen appropriately to avoid degradation of the boosted output voltage and the output current. In fact, IO and T are usually determined by the specifications. C/T is selected to achieve the maximum power efficiency accord ...
Uses of a Potential Divider
... divider equation. To know that the load affects the output of a potential divider To know the applications of potential dividers; to detect temperature or light levels. ...
... divider equation. To know that the load affects the output of a potential divider To know the applications of potential dividers; to detect temperature or light levels. ...
Xm-224/Xm-124
... Xm-124 module is used for the SUB/LO-range, it controls the sub-bass range. The fine-tuned filter and EQ-functions are entirely realized in the analog domain ensuring maximum distortion-free reproduction and a superb dynamic range. The Xm-224 module is simply inserted into the frontal module slot "A ...
... Xm-124 module is used for the SUB/LO-range, it controls the sub-bass range. The fine-tuned filter and EQ-functions are entirely realized in the analog domain ensuring maximum distortion-free reproduction and a superb dynamic range. The Xm-224 module is simply inserted into the frontal module slot "A ...
DC to 2.0 GHz Multiplier ADL5391
... core eliminates these misalignments by offering symmetric signal paths for both X and Y inputs. The Z input allows a signal to be added directly to the output. This can be used to cancel a carrier or to apply a static offset voltage. The fully differential X, Y, and Z input interfaces are operationa ...
... core eliminates these misalignments by offering symmetric signal paths for both X and Y inputs. The Z input allows a signal to be added directly to the output. This can be used to cancel a carrier or to apply a static offset voltage. The fully differential X, Y, and Z input interfaces are operationa ...
DAC8426 数据手册DataSheet 下载
... An external op amp plus two resistors can easily convert any DAC output to bipolar output voltage swings. Figure 6 shows all four DACs output operating in bipolar mode. This is the general expression describing the bipolar output transfer equation: VOUT(D) = [(1 +R2/R1) × D/256 × 10 V] –R2/R1 × 10 V ...
... An external op amp plus two resistors can easily convert any DAC output to bipolar output voltage swings. Figure 6 shows all four DACs output operating in bipolar mode. This is the general expression describing the bipolar output transfer equation: VOUT(D) = [(1 +R2/R1) × D/256 × 10 V] –R2/R1 × 10 V ...
FMS6144A Four-Channel, 6 -Order SD VoltagePlus™ Video Filter Driver FMS6144A —Four-Channel, 6
... Stresses exceeding the absolute maximum ratings may damage the device. The device may not function or be operable above the recommended operating conditions and stressing the parts to these levels is not recommended. In addition, extended exposure to stresses above the recommended operating conditi ...
... Stresses exceeding the absolute maximum ratings may damage the device. The device may not function or be operable above the recommended operating conditions and stressing the parts to these levels is not recommended. In addition, extended exposure to stresses above the recommended operating conditi ...
FMS6143A Three-Channel 6 -Order Standard-Definition VoltagePlus™ Video Filter Driver
... how much power each device dissipates. Ensure that devices of high power are not placed in the same location, such as directly above (top plane) or below (bottom plane) each other on the PCB. ...
... how much power each device dissipates. Ensure that devices of high power are not placed in the same location, such as directly above (top plane) or below (bottom plane) each other on the PCB. ...
Diode-Based Temperature Measurement
... Temperature Sensor is a diode specifically designed and optimized for this function. It is intended for temperature sensing applications in automotive, consumer and industrial products where low cost and high accuracy are important. Packaged in a TO-92 package it features precise temperature accurac ...
... Temperature Sensor is a diode specifically designed and optimized for this function. It is intended for temperature sensing applications in automotive, consumer and industrial products where low cost and high accuracy are important. Packaged in a TO-92 package it features precise temperature accurac ...
Current-Fed Multi-Resonant DC
... secondary is reflected to dIe primary (Fig.2). The replacement of dIe input inductor ~Lin) by a current source is justified by the fact that in the proposed CF-MRC 4Lin»Lr. Consequently, during one switching cycle, the AC component through Lin is low and dIe input feed can be considered to be a DC c ...
... secondary is reflected to dIe primary (Fig.2). The replacement of dIe input inductor ~Lin) by a current source is justified by the fact that in the proposed CF-MRC 4Lin»Lr. Consequently, during one switching cycle, the AC component through Lin is low and dIe input feed can be considered to be a DC c ...
Analog Input / Output Modules
... If, for example, the voltage input is used in most instances, the free output as a secondary channel can be used for the current output, for instance, so that double the number of channels are available per module. This enables virtually all analog signal measuring tasks to be covered easily in a si ...
... If, for example, the voltage input is used in most instances, the free output as a secondary channel can be used for the current output, for instance, so that double the number of channels are available per module. This enables virtually all analog signal measuring tasks to be covered easily in a si ...