Test board and test system

Patent metadata

Field	Value
Publication number	US-9146277-B2
Application number	US-26718708-A
Country	US
Kind code	B2
Filing date	Nov 7, 2008
Priority date	Nov 7, 2008
Publication date	Sep 29, 2015
Grant date	Sep 29, 2015

Abstract

The test board includes at least one first interface configured to electrically connect the test board with a test controller, at least one second interface configured to electrically connect the test board with at least one electrical device to be tested, respectively. The test board further includes at least one electrical component, and a bus system electrically connected to the first interface and one or more of the second interface and the electrical component.

First claim

What is claimed is:

1. A test board, comprising:
at least one first interface configured to electrically connect the test board with a test controller, wherein the at least one first interface is directly connected to the test controller;
at least one second interface configured to electrically connect the test board with at least one electrical device to be tested, respectively;
at least one electrical component;
a bus system electrically connected to the at least one first interface and the at least one second interface and the at least one electrical component, wherein the bus system is directly connected to the at least one first interface; and
wherein the bus system is configured to implement a bus protocol to address components connected with the bus system.

2. A test board according to claim 1 , wherein at least one of:
the at least one electrical devices comprises a radio frequency (RF) transmitter/receiver module.

3. The test board according to claim 2 , further comprising:
at least one third interface connected to the at least one electrical component.

4. The test board according to claim 2 , wherein the at least one electrical device comprises:
a plurality of RF transmitter/receiver modules.

5. The test board according to claim 1 , wherein at least one of the at least one electrical devices comprises a software programmable electrical component.

6. A test board, comprising:
at least one first interface configured to electrically connect the test board with a test controller, wherein the at least one first interface is directly connected to the test controller;
at least one second interface configured to electrically connect the test board with at least one electrical device to be tested, respectively;
at least one radio frequency (RF) transmitter/receiver module electrically connected to the at least one first interface and the at least one second interface, and
a bus system electrically connected between the at least one first interface and the at least one second interface and the at least one RF transmitter/receiver module, wherein the bus system is directly connected to the at least one first interface,
wherein the test board comprises a load board.

7. The test board according to claim 6 , wherein the at least one RF transmitter/receiver modules comprises a plurality of RF transmitter/receiver modules.

8. The test board according to claim 6 , further comprising:
at least one third interface connected to the at least one RF transmitter/receiver module.

9. The test board according to claim 6 , wherein the at least one RF transmitter/receiver module comprises a software programmable RF transmitter/receiver module.

10. A test board, comprising:
a first interface configured to electrically connect the test board with a test controller, wherein the first interface is directly connected to the test controller;
a bus system electrically connected to the first interface, wherein the bus system is directly connected to the first interface;
at least one second interface configured to electrically connect the test board with at least one electrical device to be tested, respectively; and
at least one third interface comprising an electrical plug or a socket and electrically connected to the at least one electrical device, respectively, wherein the second and third interfaces are electrically connected with each other.

11. The test board according to claim 10 , further comprising:
a bus system electrically connected to the first interface and one or more of the at least one second interface and the at least one third interface.

12. The test board according to claim 10 , wherein at least one of the electrical device comprises a radio frequency (RF) transmitter/receiver module.

13. The test board according to claim 12 , wherein
the RF transmitter/receiver module comprises a software programmable RF transmitter/receiver module.

14. The test board according to claim 10 , wherein the at least one electrical device comprises a plurality of RF transmitter/receiver modules.

15. A test system, comprising:
a test controller;
a test board, comprising:
a first interface configured to electrically connect the test board to the test controller, wherein the first interface is directly connected to the test controller;
at least one second interface to electrically connect the test board with at least one electrical device to be tested, respectively;
at least one electrical component;
a bus system electrically connected to the first interface and one or more of the second interface and the electrical component, wherein the bus system is directly connected to the first interface; and
a bus protocol implemented on the bus system to address components connected with the bus system.

16. The test system according to claim 15 , wherein the test controller comprises software instructions configured to enable data transfer between the test controller and the test board via the first interface.

17. The test system according to claim 16 , wherein the software instructions are configured to implement bus protocols for the data transfer on the bus system.

18. The test system according to claim 15 ,the at least one electrical device comprises one radio frequency (RF) transmitter/receiver module, or a plurality of radio frequency (RF) transmitter/receiver modules.

19. The test system according to claim 16 , wherein
the at least one electrical device comprise a software programmable electrical component.

20. A test system, comprising:
a test controller;
a test board, comprising:
at least one first interface configured to electrically connect the test board with the test controller, wherein the at least one first interface is directly connected to the test controller;
at least one second interface configured to electrically connect the test board with at least one electrical device to be tested, respectively;
at least one radio frequency (RF) transmitter/receiver module electrically connected to the at least one first interface and the at least one second interface, and
a bus system electrically connected to the at least one first interface and the at least one RF transmitter/receiver module, wherein the bus system is directly connected to the at least one first interface,
wherein the test board comprises a load board.

21. The test system according to claim 20 , wherein the test controller comprises software instructions configured to enable data transfer between the test controller and the test board via the first interface.

22. The test system according to claim 21 , wherein the software instructions are further configured to implement bus protocols for the data transfer on the bus system.

23. The test system according to claim 20 , wherein the at least one RF transmitter/receiver module comprises a software programmable RF transmitter/receiver module.

24. The test board according to claim 1 , further comprising:
a temperature monitor to monitor an environmental temperature.

25. The test board according to claim 1 , further comprising:
a calibration unit to initiate or to control a procedure to calibrate a component of the test board.

Assignees

• Redlich Stefan
• Schademann Niels
• Schmidinghoff Uwe
• Infineon Technologies Ag

Inventors

• Redlich Stefan
• Schademann Niels
• Schmidinghoff Uwe

Classifications

• G01R31/31905 Primary

  Interface with the device under test [DUT], e.g. arrangements between the test head and the DUT, mechanical aspects, fixture · CPC title

• G01R31/2822

  of microwave or radiofrequency circuits (of attenuation, gain, e.g. using network analyzers G01R27/28) · CPC title

• G01R31/3025

  Wireless interface with the DUT · CPC title

• G01R21/12

  in circuits having distributed constants · CPC title