Claims
- 1. A test device for testing an electronic device by measuring a time varying supply current flowing in and drawn by said electronic device, said test device comprising in combination:
at least one current mirror, the current mirror having at least two branches, said branches each having at least one end, the one end of the first branch being connected to a supply line of said electronic device at a first connection point, the one end of the second branch being connected to the supply line of said electronic device at a second connection point, said first and said second connection points being at different locations of the supply line, wherein at least one of said branches has an offset voltage source.
- 2. The test device recited in claim 1, wherein said offset voltage source is connected to one of said connection points.
- 3. The test device recited in claim 1, wherein each of said branches has an offset voltage source.
- 4. A test device for testing an electronic device by measuring a time varying supply current flowing in and drawn by said electronic device, said test device comprising in combination:
at least one current mirror, the current mirror having at least two branches, said branches each having at least one end, the one end of the first branch being connected to a supply line of said electronic device at a first connection point, the one end of the second branch being connected to the supply line of said electronic device at a second connection point, said first and said second connection points being at different locations of the supply line, wherein one of said at least two branches has a transistor as a current sink.
- 5. The test device recited in claim 4, wherein the other of said at least two branches has a diode as a current sink.
- 6. The test device recited in claim 4, wherein both of said at least two branches have a transistor as a current sink, the transistors having control terminals which are connected together.
- 7. A test device for testing an electronic device by measuring at supply current flow in and drawn by said electronic device, said test device comprising in combination:
at least one current mirror, the current mirror having at least three branches, each of said branches having at least one end, these ends being connected to a supply line of said electronic device at a connection point, each of said branches having a connection point at different locations of the supply line.
- 8. The test device recited in claim 7, wherein one of said at least three branches has a transistor as current sink.
- 9. The test device recited in claim 8, wherein the other two of said at least three branches has a diode as a current sink.
- 10. The test device recited in claim 7, wherein all of said at least three branches have a transistor as a current sink, the transistors having control terminals which are connected together.
REFERENCE TO RELATED APPLICATIONS
[0001] This application claims priority benefits and is a continuation-in-part to U.S. Utility patent application Ser. No. 09/567,810, currently pending, filed on May 9, 2000. U.S. Utility patent application Ser. No. 09/567,810 is hereby incorporated by reference in its entirety. U.S. Utility patent application Ser. No. 09/567,810 claims priority benefits to U.S. Provisional Patent Application Serial No. 60/133,611 filed on May 11, 1999 entitled “Method and Apparatus for Testing Electronic Devices.” U.S. Provisional Patent Application Serial No. 60/133,611 is hereby incorporated by reference in its entirety. Further, this application claims priority benefits and is a continuation-in-part to U.S. Utility patent application Ser. No. 09/667,913, currently pending, filed on Sep. 20, 2000. U.S. Utility patent application Ser. No. 09/667,913 is hereby incorporated by reference in its entirety. U.S. Utility patent application Ser. No. 09/667,913 claims priority benefits to U.S. Provisional Patent Application Serial No. 60/155,607 filed on Sep. 22, 1999, entitled “A Method and Apparatus for Testing Supply Connections.” U.S. Provisional Patent Application Serial No. 60/155,607 is hereby incorporated by reference in its entirety.
Provisional Applications (2)
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Number |
Date |
Country |
|
60133611 |
May 1999 |
US |
|
60155607 |
Sep 1999 |
US |
Continuation in Parts (2)
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Number |
Date |
Country |
Parent |
09567810 |
May 2000 |
US |
Child |
10260517 |
Sep 2002 |
US |
Parent |
09667913 |
Sep 2000 |
US |
Child |
10260517 |
Sep 2002 |
US |