1. A network system, comprising:
a direct conversion radio transceiver coupled to a digitizer, integrated within a first integrated device;
a medium access controller coupled between a baseband processor and digital control circuitry, integrated within a second integrated device; and
a digital interface that couples said first integrated device to said second integrated device;
wherein said digitizer comprises:
a in-phase receive path analog-to-digital converter;
a quadrature-phase receive path analog-to-digital converter;
a in-phase transmit path digital-to-analog converter; and
a quadrature-phase transmit path digital-to-analog converter;
wherein said digital interface comprises transceiver-side digital interface circuitry, including:
a plurality of latches coupled to said digital-to-analog converters and to said analog-to-digital converters;
a bi-directional bus driver coupled between said plurality of latches and a bi-directional bus; and
address control and timing circuitry coupled to said latches; and
wherein said digital interface further comprises controller-side digital interface circuitry, including:
a second bi-directional bus driver coupled to said bi-directional bus;
a second plurality of latches coupled between said second bi-directional bus driver and said baseband processor; and
second address control and timing circuitry coupled to said second plurality of latches.
2. The network system according to claim 1, wherein said first integrated device comprises a multi-chip module.
3. The network system according to claim 1, wherein said first integrated device comprises an integrated circuit.
4. The network system according to claim 1, wherein said second integrated device comprises an integrated circuit.
5. The network system according to claim 1, wherein said digital interface comprises a serial bus.
6. The network system according to claim 1, wherein said digital interface comprises a parallel bus.
7. The network system according to claim 1, wherein said digital interface comprises a hybrid serialparallel bus.
8. The network system according to claim 1, wherein said digital interface comprises a multiplexed bus.
9. The network system according to claim 1, wherein said digital interface comprises a direct connection between said first and second integrated devices.
10. The network system according to claim 1, wherein said digital interface is an all-digital interface.
11. The network system according to claim 1, wherein said direct conversion radio transceiver comprises a receive path coupled between said digitizer and an antenna system, said receive path including:
a low noise amplifier coupled to said antenna system;
an automatic gain control module coupled to said low noise amplifier;
in-phase and quadrature-phase direct down-converters coupled to said automatic gain control module; and
receive analog circuitry coupled between said in-phase and quadrature-phase direct down-converters and said digitizer.
12. The network system according to claim 1, wherein said direct conversion radio transceiver comprises a transmit path coupled between said digitizer and an antenna system, said transmit path including:
transmit analog circuitry coupled to said digitizer;
in-phase and quadrature-phase direct up-converters coupled to said transmit analog circuitry; and
power amplifier circuitry coupled between outputs of said in-phase and quadrature-phase direct up-converters and said antenna system.
13. The network system according to claim 11, wherein said direct conversion radio transceiver further comprises a transmit path coupled between said digitizer and said antenna system, said transmit path including:
transmit analog circuitry coupled to said digitizer;
in-phase and quadrature-phase direct up-converters coupled to said transmit analog circuitry; and
power amplifier circuitry coupled between outputs of said in-phase and quadrature-phase direct up-converters and said antenna system.
14. The network system according to claim 13, wherein said direct conversion radio transceiver further comprises:
a clock generator coupled to said in-phase and quadrature-phase direct down-converters and to said in-phase and quadrature-phase direct up-converters; and
a frequency synthesizer coupled to said clock generator.
15. The network system according to claim 1, wherein said digitizer further comprises an automatic gain control digital-to-analog converter.
16. The network system according to claim 1, wherein said second integrated device comprises an internal system bus coupled between said medium access controller and said controller.
17. A network system, comprising:
a direct conversion radio transceiver;
a baseband processor;
a digitizer coupled between said direct conversion radio transceiver and said baseband processor; and
a digital interface coupled to said baseband processor, said digital interface configured to couple to a medium access controller;
wherein said direct conversion radio transceiver, said baseband processor, and said digitizer are integrated in an integrated device;
wherein said digitizer comprises:
a in-phase receive path analog-to-digital converter;
a quadrature-phase receive path analog-to-digital converter;
a in-phase transmit path digital-to-analog converter; and
a quadrature-phase transmit path digital-to-analog converter;
wherein said digital interface comprises transceiver-side digital interface circuitry, including:
a plurality of latches coupled to said baseband processor;
a bi-directional bus driver coupled between said plurality of latches and a bi-directional bus; and
address control and timing circuitry coupled to said latches; and
wherein said digital interface further comprises controller-side digital interface circuitry, including:
a second bi-directional bus driver coupled to said bi-directional bus;
a second plurality of latches coupled between said second bi-directional bus driver and said medium access controller; and
second address control and timing circuitry coupled to said second plurality of latches.
18. The network system according to claim 17, wherein said integrated device comprises a multi-chip module.
19. The network system according to claim 17, wherein said integrated device comprises an integrated circuit.
20. The network system according to claim 17, wherein said digital interface comprises a serial bus.
21. The network system according to claim 17, wherein said digital interface comprises a parallel bus.
22. The network system according to claim 17, wherein said digital interface comprises a hybrid serialparallel bus.
23. The network system according to claim 17, wherein said digital interface comprises a multiplexed bus.
24. The network system according to claim 17, wherein said digital interface comprises a direct connection between said baseband processor and said medium access controller.
25. The network system according to claim 17, wherein said digital interface is an all-digital interface.
26. The network system according to claim 17, wherein said direct conversion radio transceiver comprises a receive path coupled between said digitizer and an antenna system, said receive path including:
a low noise amplifier coupled to said antenna system;
an automatic gain control module coupled to said low noise amplifier;
in-phase and quadrature-phase direct down-converters coupled to said automatic gain control module; and
receive analog circuitry coupled between said in-phase and quadrature-phase direct down-converters and said digitizer.
27. The network system according to claim 17, wherein said direct conversion radio transceiver comprises a transmit path coupled between said digitizer and an antenna system, said transmit path including:
transmit analog circuitry coupled to said digitizer;
in-phase and quadrature-phase direct up-converters coupled to said transmit analog circuitry; and
power amplifier circuitry coupled between outputs of said in-phase and quadrature- phase direct up-converters and said antenna system.
28. The network system according to claim 26, wherein said direct conversion radio transceiver further comprises a transmit path coupled between said digitizer and said antenna system, said transmit path including:
transmit analog circuitry coupled to said digitizer;
in-phase and quadrature-phase direct up-converters coupled to said transmit analog circuitry; and
power amplifier circuitry coupled between outputs of said in-phase and quadrature-phase direct up-converters and said antenna system.
29. The network system according to claim 28, wherein said direct conversion radio transceiver further comprises:
a clock generator coupled to said in-phase and quadrature-phase direct down-converters and to said in-phase and quadrature-phase direct up-converters; and
a frequency synthesizer coupled to said clock generator.
30. The network system according to claim 17, wherein said digitizer further comprises an automatic gain control digital-to-analog converter.
31. The network system according to claim 17, wherein said second integrated device comprises an internal system bus coupled between said medium access controller and said controller.
32. The network system according to claim 1, wherein said first integrated device is positioned independently from said second integrated device.
33. The network system according to claim 1, wherein said first integrated device is implemented within a single integrated circuit.
34. The network system according to claim 1, wherein said second integrated device is implemented within a single integrated circuit.
35. The network system according to claim 1, wherein said digital control circuitry communicates with said medium access controller using a packet-based format.
36. The network system according to claim 17, wherein said integrated device is implemented within a single integrated circuit.
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 device for the hand and forearm of a user, comprising:
a glove portion; and
a sleeve integrally attached to the glove portion and including an elastic portion and a flexible support portion comprising a soft foam, wherein the elastic portion is configured to contact a substantial portion of a forearm of a user and the flexible support portion is configured to minimize impact to the forearm and comprises a tacky outer surface to enhance catching of a ball, and wherein the sleeve comprises a securement portion configured to secure the sleeve to the forearm of the user, wherein the securement portion comprises air bladders that extend down a length of the forearm.
2. The device of claim 1, wherein the flexible support portion comprises a plurality of support strips dimensioned no more than about 1 inch apart.
3. The device of claim 1, wherein the elastic portion is comprised of nylon.
4. The device of claim 1, wherein the flexible support portion is positioned substantially on an exterior surface of the elastic portion.
5. The device of claim 1, wherein the elastic portion is configured to contact a substantial portion of a bicep of the user.
6. The device of claim 1, wherein the flexible support portion is configured to minimize impact to an inner forearm of the user.
7. The device of claim 1, wherein the sleeve comprises a elbow insert configured to minimize impact to an elbow of the user.
8. A device for the forearm of a user, comprising:
a sleeve including an elastic portion and a flexible support portion, wherein the elastic portion is configured to contact a substantial portion of a forearm of a user and the flexible support portion comprises a single continuous flexible support strip having a tacky outer surface to enhance catching of a ball, and comprising a soft foam operable to partially absorb a force from the ball to minimize impact to the forearm, the elastic portion being configured to interact with a glove of the user, and wherein the sleeve comprises a securement portion configured to secure the sleeve to the forearm of the user, wherein the securement portion comprises air bladders that extend down a length of the forearm.
9. The device of claim 8, wherein the elastic portion comprises a hand portion configured to contact an interior surface of the glove of the user.
10. The device of claim 9, wherein the elastic portion is comprised of nylon.
11. The device of claim 8, wherein the single continuous flexible support strip is disposed about an inner forearm of the user to minimize impact to the inner forearm.
12. A device for the hand and forearm of a user, comprising:
a glove portion; and
a sleeve integrally attached to the glove portion and including an elastic portion, a flexible support portion and a securement portion, wherein the elastic portion is comprised of nylon and is configured to contact a substantial portion of a forearm of a user, the flexible support portion comprises a plurality of support strips disposed about the forearm of the user and running in a direction substantially parallel with a length of the forearm of the user, the plurality of support strips each being individually surrounded on all sides by the elastic portion and comprising soft foam having a tacky outer surface to enhance catching of a ball and to partially absorb a force from the ball to minimize impact to the forearm, and the securement portion is configured to secure the sleeve to the forearm of the user, wherein the securement portion comprises air bladders that extend down a length of the forearm.