The Pavilion8 Controller calculates recommendedset points for lower level process control loops, typically PID loops, to optimize real-time control performance.
TECモジュールは、熱時定数が長いため、安定性を保つために制御ループも低速でなければなりません。
Because of the long thermaltime constants exhibit by TEC modules, the control loop must also be slow to maintain stability.
The Pavilion8 Controller calculates recommendedset points for lower level process control loops, typically PID loops, to optimize real-time control performance.
The SL2KW also features fast acting programmable voltage andcurrent control loops, and is fully protected against arc and short circuit discharge conditions.
OPA365ファミリのオペアンプは、携帯電話のパワー・アンプ制御ループにも適しています。
The OPA365 is alsowell-suited for cell phone power amplifier control loops.
MAX4173は帯域幅が1.7MHzと広いため、バッテリ充電器制御ループ内での使用に適しています。
The MAX4173's wide 1.7MHz bandwidthmakes it suitable for use inside battery charger control loops.
When available, a Bode analyzer injects a signal into the control loop and then measures the signal at various points in this loop to establish the gain and phase shift between two signals.
The PFM is based on two switching times(the maximum on-time andthe minimum off-time) and two control loops a voltage-regulation loop and a maximum peak-current, off-time loop..
A μC in the control loop reads the thermistor value, provides temperature compensation, corrects the thermistor curvature through lookup tables, and compensates for gain variations due to APD manufacturing.
One of the control-loop functions is to monitor the LDMOS bias current, which allows the bias of the LDMOS to be properly modulated for a given power output.
Above the unity gain frequency of the error amplifier,the feedback of the control loop has no effect on the PSRR, which is determined by the output capacitor and any parasitics between the input and output voltages.
Current control is achieved using an inner current control loop that measures the phase current, In, and controls the inductor-neutral voltage, vn1, to force the phase current to track its reference value.
The higher the regulator control-loop bandwidth, the sooner it can'catch up' to the CPU's demand and supplement the current provided by the bulk capacitors.
The control loop diagram of Fig. 4 illustrates the communication interconnections between these function blocks using lines attaching the process and control inputs and outputs of these functions blocks.
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