Weitere Beispiele werden automatisch zu den Stichwörtern zugeordnet - wir garantieren ihre Korrektheit nicht.
If the reflected signal were out of phase, then the plate current would decrease.
When sufficient negative bias is applied to the grid, the plate current is pushed almost to the cut-off point.
This was called the idle condition, and the plate current at this point the "idle current".
When a modulated R.F. signal is applied to the grid under these conditions, a corresponding increase in plate current occurs.
The plate current was routed through that portion of the rectifier heater, in order to make up for the current diverted to the dial lamp.
If the reflected signal were in phase, the oscillator amplitude would increase and the oscillator's plate current would also increase.
Changing the grid voltage will change the plate current; by suitable choice of a plate load resistor, amplification is obtained.
The 12AT7 has somewhat lower voltage gain than the 12AX7, but higher transconductance and plate current, which makes it suitable for high frequency applications.
Due to the large oscillating signal non-linearity of the tube response caused frequency mixing, seen on the plate current (output) of such a "converter" circuit.
Because the bias varies depending on signal strength, plate current will rise on very low signals, and operation near cut-off of the tube will cause distortion.
Another term for the anode in a valve is the plate so hence on many designs the anode current is named the plate current.
Plotting plate current as a function of applied grid voltage, it was seen that there was a range of grid voltages for which the transfer characteristics were approximately linear.
A related equation (which is derived from the more general equation above) determines the magnitude of an end plate current (EPC), at a given membrane potential, in the neuromuscular junction:
An AC signal voltage superimposed on the grid will appear as variations in the plate current; voltage amplification can be obtained by using a suitable value of plate load resistance.
The controlling voltage was superimposed onto the bias voltage, resulting in a linear variation of plate current in response to both positive and negative variation of the input voltage around that point.
Since secondary electrons can outnumber the primary electrons, in the worst case, particularly as the plate voltage dips below the screen voltage, the plate current can decrease with increasing plate voltage.
One reason for SETs being (usually) limited to low power is the extreme difficulty (and consequent expense) of making an output transformer that can handle the plate current without saturating, while avoiding excessively large capacitive parasitics.
The amplifying element is biased so the device is always conducting to some extent, normally implying the quiescent (small-signal) collector current (for transistors; drain current for FETs or anode/plate current for vacuum tubes) is close to the most linear portion of its transconductance curve.
As long as the control grid is negative relative to the cathode, essentially no current flows into it, yet a change of several volts on the control grid is sufficient to make a large difference in the plate current, possibly changing the output by hundreds of volts (depending on the circuit).