Apparatus and methods for testing devices
The present disclosure includes apparatuses and methods related to test devices, for example testing devices by measuring signals emitted by a device. One example apparatus can include a first portion including a number of sidewalls positioned to at least partially surround a device under test; and a second portion electrically coupled to the first portion, wherein the second portion is configured to move in the x-direction, the y-direction, and z-direction.
1. An apparatus, comprising:
a first portion including a number of sidewalls positioned to at least partially surround a device under test; and
a second portion electrically coupled to the first portion, wherein the second portion is configured to move in the x-direction, the y-direction, and z-direction, wherein second portion is comprised of an electrically conductive fabric coupled to an antenna and configured to enable the antenna to move in the x-direction, y-direction, and z-direction within the apparatus.
2. The apparatus of claim 1 , wherein conductive tape electrically couples the first portion to the second portion.
3. The apparatus of claim 1 , wherein the upper surface of the first portion is electrically coupled to the second portion via a metallic gasket.
4. The apparatus of claim 1 , wherein the first portion is soldered to the second portion to electrically couple the first portion to the second portion.
5. The apparatus of claim 1 , wherein an antenna is coupled to the second portion to measure electromagnetic interference (EMI) and/or radio frequency (RF) noise from the device under test within the apparatus.
6. An apparatus, comprising:
a first portion including a number of sidewalls positioned to at least partially surround a device under test;
a second portion having a number of sidewalls positioned to at least partially surround the first portion and the device under test, wherein the sidewalls of the second portion are configured to move in the z-direction with respect to the number of sidewalls of the first portion;
a third portion positioned on an upper surface of the second portion, wherein the third portion includes an opening; and
a fourth portion position on an upper surface of the third portion, wherein the fourth portion is configured to move in the x-direction and the y-direction with respect to the upper surface of the third portion.
7. The apparatus of claim 6 , wherein the first portion, the second portion, the third portion, and the fourth portion surround the device under test and block electromagnetic signals and radio frequency signals that are outside of the first portion, the second portion, the third portion, and fourth portion.
8. The apparatus of claim 6 , wherein the upper surface of the second portion is electrically coupled to the third portion via a metallic gasket.
9. The apparatus of claim 6 , wherein an antenna is configured to move in the x and y direction within the opening.
10. The apparatus of claim 6 , wherein an antenna is coupled to the fourth portion via a connector to measure electromagnetic signals and radio frequency signals emitted by the device under test.
11. The apparatus of claim 6 , wherein the first portion is electrically coupled to a test board and the device under test is coupled to the test board.
12. The apparatus of claim 6 , wherein the device under test is configured to receive signals from an automatic test equipment a via a test board.
13. A method for operating an apparatus, comprising:
moving a first portion of the apparatus in the z-direction with respect to a second portion of the apparatus, wherein the first portion includes a number of sidewalls positioned to surround the second portion and a device under test and wherein the second portion includes a number of sidewalls position to surround the device under test; and
moving a third portion of the apparatus in the x-direction and the y-direction with respect to an upper surface of a fourth portion, wherein the third portion is positioned on the upper surface of the fourth portion.
14. The method of claim 13 , wherein moving the third portion includes moving an antenna coupled to the third portion within in opening of the fourth portion.
15. The method of claim 13 , wherein moving the third portion in the x-direction includes moving the third portion via a first motor and wherein moving the third portion in the y direction includes moving the third portion via a second motor.
16. A method for operating an apparatus, comprising:
moving a first portion of the apparatus in the x, y, and z direction, wherein the first portion is made of electrically conductive fabric and is coupled to a second portion of the apparatus; and
measuring electromagnetic interference (EMI) and/or radio frequency (RF) noise from a device under test within the apparatus with an antenna coupled to the first portion.
17. The method of claim 16 , including moving the first portion and a connector coupled to the first portion in the x, y, and z directions via a number of motors.
18. The method of claim 16 , further including measuring signals emitted by the device under test with the antenna coupled to the first portion via a connector.
19. The method of claim 16 , further including sending signals emitted by the device under test to automatic test equipment.