What is claimed is:
1. A method for controlling a drive unit of a vehicle which includes an operator-controlled element actuable by a driver of the vehicle, the method comprising the steps of:
detecting a degree of actuation (F) of said operator-controlled element;
forming a desired value (S) for the torque of said drive unit from said degree of actuation (F);
comparing said desired value (S) to an input value (V) for the torque of said drive unit which is just then requested by a road speed controller;
causing the torque of said drive unit to only then approach said desired value (S) when said desired value (S) exceeds said input value (V); and,
selecting a course of said desired value (S) as a function of said degree of actuation (F) so that a pregiven value (VW) for said degree of actuation (F) is not exceeded at an intercept point (SP) of said course with said input value (V).
2. The method of claim 1, wherein said course of said desired value (S) drops below said input value (V) by at most a pregiven difference value (DW).
3. The method of claim 2, wherein said pregiven difference value (DW) is approximately ten percent of said input value (V).
4. An arrangement for controlling a drive unit of a vehicle which includes an operator-controlled element actuable by a driver of the vehicle, the arrangement comprising:
means for detecting the degree of actuation (F) of said operator-controlled element;
an electronic control unit including means for receiving said degree of actuation (F) and for determining a desired value (S) for the torque of said engine from said degree of actuation (F);
a road speed controller connected to said control unit;
a comparator for comparing said desired value (S) to an input value (V) for the torque of said drive unit which is just then requested by said road speed controller;
said control unit further including a drive control for controlling said drive unit so that the torque thereof only then approaches said desired value (S) when said desired value (S) exceeds said input value (V); and,
computation means for adjusting a course of said desired value (S) as a function of said degree of actuation (F) so that at an intercept point (SP) of said course of said desired value (S) with said input value (V), a pregiven value (VW) for said degree of actuation (F) is not exceeded.
5. The arrangement of claim 4, wherein said course of said desired value (S) drops below said input value (V) by at most a pregiven difference value (DW).
6. The arrangement of claim 5, wherein said pregiven difference value (DW) is approximately ten percent of said input value (V).
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
1. A radio frequency (RF) amplifier, comprising:
an input RF chain configured to receive and process an input RF signal including a plurality of frequency bands within a first band group and output a first signal; and
a plurality of output RF chains coupled to the input RF chain, each output RF chain of the plurality of output RF chains configured to process the first signal within at least one band of the plurality of frequency bands of the first band group,
wherein each output RF chain includes a bias circuit configured to receive an enable signal to enable the processing of the first signal within the at least one band and output an output RF signal within the at least one band.
2. The RF amplifier of claim 1, wherein the plurality of output RF chains is configured to process the first signal within the at least one band of the first band group and output a plurality of output RF signals within the first band group.
3. The RF amplifier of claim 1, wherein each output RF chain further comprises an active gain element coupled to the bias circuit.
4. The RF amplifier of claim 3, wherein the bias circuit is configured to turn on the active gain element to process the first signal within the at least one band when the enable signal is received by the bias circuit.
5. The RF amplifier of claim 1, wherein the input RF chain comprises a first power driver, a first match circuit, a second power driver, and a second match circuit.
6. The RF amplifier of claim 5, wherein each output RF chain comprises a third power driver and a third match circuit, the third power driver of each output RF chain is coupled to the second match circuit of the input RF chain.
7. The RF amplifier of claim 6, wherein the bias circuit is configured to turn on the third power driver when the enable signal is received by the bias circuit.
8. The RF amplifier of claim 1, wherein the input RF chain comprises a first power driver and a first match circuit.
9. The RF amplifier of claim 8, wherein each output RF chain comprises a second power driver, a second match circuit, a third power driver and a third match circuit, the second power driver of each output RF chain is coupled to the first match circuit of the input RF chain.
10. The RF amplifier of claim 1, further comprising:
a second input RF chain configured to receive the input RF signal including a plurality of frequency bands within a second band group and output a second signal; and
a second plurality of output RF chains coupled to the second input RF chain, each output RF chain of the second plurality of output RF chains configured to process the second signal within at least one band of the second plurality of bands of the second band group.
11. The RF amplifier of claim 10, wherein at least two output RF chains of the second plurality of output RF chains are tied together.
12. The RF amplifier of claim 10, wherein the second input RF chain comprises a first power driver and a first match circuit.
13. The RF amplifier of claim 12, wherein each output RF chain of the second plurality of output RF chains comprises a second power driver, a second match circuit, a third power driver and a third match circuit, the second power driver of the each output RF chain of the second plurality of output RF chains is coupled to the first match circuit of the second input RF chain.
14. An apparatus, comprising:
means for receiving an input RF signal including a plurality of frequency bands within a first band group;
means for processing the input RF signal and outputting a first signal; and
plural means for processing and outputting coupled to the means for processing the input RF signal, each means for processing and outputting configured to process the first signal within at least one band of the plurality of frequency bands of the first band group,
wherein the each means for processing and outputting receives an enable signal to enable the processing of the first signal within the at least one band and output an output RF signal within the at least one band.
15. The apparatus of claim 14, further comprising
means for tuning the means for processing the input RF signal based on which means for processing and outputting from the plural means for processing and outputting is selected.
16. The apparatus of claim 14, further comprising
means for increasing an output power of each means for processing and outputting.
17. The apparatus of claim 16, wherein the means for increasing an output power comprises means for tying together at least two means for processing and outputting.
18. The apparatus of claim 14, wherein the means for processing the input RF signal is configured to receive enable signals that select one means for processing and outputting from the plural means for processing and outputting.
19. An apparatus comprising:
an input RF chain configured to receive and process an input RF signal including a plurality of frequency bands within a first band group and output a first signal; and
a plurality of output RF chains coupled to the input RF chain, each output RF chain of the plurality of output RF chains configured to process the first signal within at least one band of the plurality of frequency bands of the first band group,
wherein each output RF chain includes a bias circuit and an active gain element,
wherein the bias circuit is configured to receive an enable signal and to output an output RF signal within the at least one band,
wherein the active gain element is configured to be turned on by the bias circuit to process the first signal within the at least one band when the enable signal is received by the bias circuit.
20. The apparatus of claim 19, wherein the bias circuit includes a transistor having a bias point.
21. The apparatus of claim 20, wherein the bias point is controlled by the enable signal.