Thus, in this case, and depending on the PA quiescent point
, two sweet spots can be generated (see Figure 7b).
A key feature of the Model 4200-PIV-Q includes quiescent point
, or Q-point, testing (being able to pulse from a non-zero idle state) with pulse widths from 500nsec to DC.
Test results for a TGH2910-FL 10 W driver amplifier evaluation board biased at a near class-B quiescent point of 28 V and 30 mA are plotted in Figure 1.
Evaluation board data for a TGH2930-FL 30 W prematched power device biased at a near class-B quiescent point is shown in Figure 2.
It also discusses nonlinear phenomena encountered even in simple oscillators, including the bifurcation of oscillations from a quiescent point
and the bifurcation of almost periodic oscillations from existing periodic oscillations.
It is possible to say in this measurement that the device is relatively insensitive to trap conditions that are set by the quiescent point due to its vertical structure, and thermal effects play a more dominant role in output characteristics.
When the device is measured starting from different DC quiescent points with the same dissipated power, the data will contain the same thermal information illustrating how the trap effects are related to the bias point.
So, in that quiescent point, a linear power limit of|16^
These minor nonlinearities are dependent on the device's quiescent point, so it is expected that there may be another point |Q.