1. A method of powering a power amplifier system of a wireless device, the method comprising:
generating a first power amplifier supply voltage using an envelope tracker;
providing the first power amplifier supply voltage from an output of the envelope tracker to three or more power amplifiers over a first power supply network, the three or more power amplifiers including a first power amplifier and a second power amplifier, the first power amplifier supply network including a first inductor electrically connected between a first supply input of the first power amplifier and the output of the envelope tracker, and a second inductor electrically connected between a first supply input of the second power amplifier and the output of the envelope tracker;
resonating the first inductor and a distributed capacitance of the first power supply network at a first frequency greater than a modulation bandwidth of the envelope tracker; and
resonating the second inductor and the distributed capacitance of the first power supply network at a second frequency greater than the modulation bandwidth of the envelope tracker.
2. The method of claim 1 further comprising providing a low impedance path to radio frequency signals using the distributed capacitance of the first power supply network.
3. A method of powering a power amplifier system of a wireless device, the method comprising:
generating a first power amplifier supply voltage using an envelope tracker;
providing the first power amplifier supply voltage from an output of the envelope tracker to a plurality of power amplifiers over a first power supply network, the plurality of power amplifiers including a first power amplifier and a second power amplifier, the first power amplifier supply network including a first inductor electrically connected between a first supply input of the first power amplifier and the output of the envelope tracker, and a second inductor electrically connected between a first supply input of the second power amplifier and the output of the envelope tracker;
resonating the first inductor and a distributed capacitance of the first power supply network at a first frequency greater than a modulation bandwidth of the envelope tracker;
resonating the second inductor and the distributed capacitance of the first power supply network at a second frequency greater than the modulation bandwidth of the envelope tracker; and
providing a second power amplifier supply voltage to the plurality of power amplifiers over a second power supply network, the first power amplifier including a second supply input that receives the second power amplifier supply voltage, and the second power amplifier including a second supply input that receives the second power amplifier supply voltage.
4. The method of claim 3 further comprising powering a plurality of output stages of the plurality of power amplifiers using the first power amplifier supply voltage, and powering a plurality of input stages of the plurality of power amplifiers using the second power amplifier supply voltage.
5. The method of claim 4 further comprising generating the second power amplifier supply voltage using a DC-to-DC converter.
6. The method of claim 4 further comprising generating the second power amplifier supply voltage using a battery.
7. The method of claim 4 further comprising generating the second power amplifier supply voltage using the envelope tracker.
8. The method of claim 7 further comprising electrically connecting the first power supply network to the second power supply network on a phone board so as to reduce injection of signals from the plurality of output stages into the plurality of input stages.
9. The method of claim 3 wherein providing the first power amplifier supply voltage from the output of the envelope tracker to the plurality of power amplifiers includes powering three or more power amplifiers.
10. A wireless device comprising:
an envelope tracker including an output configured to generate a first power amplifier supply voltage;
three or more power amplifiers including a first power amplifier and a second power amplifier; and
a first power supply network configured to provide the first power amplifier supply voltage to the three or more power amplifiers, the first power amplifier supply network including a first inductor electrically connected between a first supply input of the first power amplifier and the output of the envelope tracker, and a second inductor electrically connected between a first supply input of the second power amplifier and the output of the envelope tracker, the first inductor configured to resonate with a distributed capacitance of the first power supply network at first a frequency greater than a modulation bandwidth of the envelope tracker, and the second inductor configured to resonate with the distributed capacitance of the first power supply network at a second frequency greater than the modulation bandwidth of the envelope tracker.
11. A wireless device comprising:
an envelope tracker including an output configured to generate a first power amplifier supply voltage;
a plurality of power amplifiers including a first power amplifier and a second power amplifier;
a first power supply network configured to provide the first power amplifier supply voltage to the plurality of power amplifiers, the first power amplifier supply network including a first inductor electrically connected between a first supply input of the first power amplifier and the output of the envelope tracker, and a second inductor electrically connected between a first supply input of the second power amplifier and the output of the envelope tracker, the first inductor configured to resonate with a distributed capacitance of the first power supply network at first a frequency greater than a modulation bandwidth of the envelope tracker, and the second inductor configured to resonate with the distributed capacitance of the first power supply network at a second frequency greater than the modulation bandwidth of the envelope tracker; and
a second power supply network configured to provide a second power amplifier supply voltage to the plurality of power amplifiers, the first power amplifier including a second supply input that receives the second power amplifier supply voltage, and the second power amplifier including a second supply input that receives the second power amplifier supply voltage.
12. The wireless device of claim 11 wherein the plurality of power amplifiers includes a plurality of output stages powered by the first power amplifier supply voltage and a plurality of input stages powered by the second power amplifier supply voltage.
13. The wireless device of claim 12 further comprising a DC-to-DC converter configured to generate the second power amplifier supply voltage.
14. The wireless device of claim 12 further comprising a phone board including a power amplifier module and the envelope tracker attached thereon, the power amplifier module including the plurality of power amplifiers.
15. The wireless device of claim 14 wherein the first power supply network is electrically connected to the second power supply network via trace of the phone board so as to reduce injection of signals from the plurality of output stages into the plurality of input stages.
16. The wireless device of claim 11 wherein the plurality of power amplifiers includes three or more power amplifiers.
17. A phone board for a wireless device, the phone board comprising:
an envelope tracker configured to generate a first power amplifier supply voltage; and
a power amplifier module configured to receive the first power amplifier supply voltage at a first power supply pin, the power amplifier module including a plurality of power amplifiers including a first power amplifier and a second power amplifier, the power amplifier module further including a first power supply network that includes a first inductor electrically connected between a first supply input of the first power amplifier and the first power supply pin and a second inductor electrically connected between a first supply input of the second power amplifier and the first power supply pin, the first inductor configured to resonate with a distributed capacitance of the first power supply network at first a frequency greater than a modulation bandwidth of the envelope tracker, and the second inductor configured to resonate with the distributed capacitance of the first power supply network at a second frequency greater than the modulation bandwidth of the envelope tracker, the power amplifier module further configured to receive a second power amplifier supply voltage at a second power supply pin, the power amplifier module further including a second power supply network configured to provide the second power amplifier supply voltage to the plurality of power amplifiers, the first power amplifier including a second supply input that receives the second power amplifier supply voltage, and the second power amplifier including a second supply input that receives the second power amplifier supply voltage.
18. The phone board of claim 17 wherein the plurality of power amplifiers include a plurality of output stages powered by the first power amplifier supply voltage and a plurality of input stages powered by the second power amplifier supply voltage.
19. The phone board of claim 18 wherein the first power supply network is electrically connected to the second power supply network on the phone board so as to reduce injection of signals from the plurality of output stages into the plurality of input stages.
20. The phone board of claim 17 wherein the plurality of power amplifiers includes three or more power amplifiers.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
What is claimed is
1. A solid-state image pickup device, characterized by comprising:
a plurality of two-dimensionally-arranged photoelectric conversion elements;
gate portions for reading out signal charges that are photoelectrically-converted by said plural photoelectric conversion elements;
plural vertical transfer registers for transferring in the vertical direction the signal charges read out by said gate portions; and
first transfer electrodes and second transfer electrodes to which driving voltages to transfer the signal charges of said vertical transfer registers are applied, wherein said first transfer electrodes are disposed in parallel to said vertical transfer registers, said second transfer electrodes are disposed vertically to said vertical transfer registers, said first transfer electrodes and said second transfer electrodes are provided so as to contain the upper side of said gate portions, and the signal charges which are photoelectrically-converted in said photoelectric conversion elements are read out to said vertical transfer registers by the driving voltages applied to both said first transfer electrodes and said second transfer electrodes, the first transfer electrode or the second transfer electrode at the gate portion side of each photoelectric conversion element and the sensor area of the photoelectric conversion element are formed to be adjacent to each other at a portion where the read-out of the signal charges to each vertical transfer register is carried out, and an offset area, is formed between the transfer electrode at the gate portion side of each photoelectric conversion element and the sensor area of the photoelectric conversion element at a portion where the read-out of the signal charges to each vertical transfer register is not carried out.
2. The solid-state image pickup device as claimed in claim 1, wherein a second offset area is provided between said first transfer electrode and said second transfer electrode at the opposite side to said gate portion with respect to each photoelectric conversion element and said sensor area of said photoelectric conversion element.
3. The solid-state image pickup device as claimed in claim 1, wherein at the portions where the read-out of the signal charges to said vertical transfer registers is carried out, said transfer electrodes at the gate portion side of each photoelectric conversion element are formed so as to extend to the sensor area side of the photoelectric conversion element.
4. The solid-state image pickup device as claimed in claim 1, wherein at the portions where the read-out of the signal charges to said vertical transfer registers is carried out, the sensor area of each photoelectric conversion element is formed so as to extend to the gate portion side.
5. A method of driving a sold-state image pickup device comprising a plurality of two-dimensionally arranged photoelectric conversion elements, gate portions for reading out signal charges photoelectrically-converted in the plural photoelectric conversion elements, plural vertical transfer registers for transferring the signal charges read out by the gate portions in the vertical direction, and first and second transfer electrodes on the vertical transfer registers, wherein a first driving voltage for transferring the signal charges in the vertical direction is applied to the first and second transfer electrodes, and a second driving voltage for reading out the signal charges from the photoelectric conversion elements is applied to the first and second transfer electrodes, whereby the read-out operation of the signal charges which are photoelectrically-converted by the photoelectric conversion elements to the vertical transfer registers is carried out on the plural photoelectric conversion elements independently every column orand every line by the driving voltages applied to both the first and second transfer electrodes.