Power combiner, power amplifying module having the same, and signal transceiving module

• US 8,912,865 B2
• Filed: 08/29/2011
• Issued: 12/16/2014
• Est. Priority Date: 04/04/2011
• Status: Expired due to Fees

• Current Assignee: Samsung Electro-Mechanics Co., Ltd. (Samsung Group)
• Original Assignee: Samsung Electro-Mechanics Co., Ltd. (Samsung Group)
• Inventors: Kim, Ki Joong, Kim, Youn Suk, Won, Jun Goo, Choi, Jae Hyouck, Park, Sang Wook, Yoon, Chul Hwan
• Primary Examiner(s): Pascal, Robert
• Assistant Examiner(s): GLENN, KIMBERLY E
• Application Number:
  US13/220,229
• Publication Number:
  US 20120249262A1
• Time in Patent Office: 1,205 Days
• Field of Search: 333/119, 333/131, 307/17, 307/83, 330/124.R, 330/195, 330/197, 330/295
• US Class Current: 333/131
• CPC Class Codes: H01L 2224/48091 Arched
• CPC Class Codes: H01L 2224/48227 connecting the wire to a bond pad of the item
• CPC Class Codes: H01L 2224/49111 the connectors connecting two common bonding areas, e.g. Litz or braid wires
• CPC Class Codes: H01L 23/66 High-frequency adaptations
• CPC Class Codes: H01L 25/16 the devices being of types provided for in two or more different main groups of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. forming hybrid circuits
• CPC Class Codes: H01L 2924/00014 the subject-matter covered by the group, the symbol of which is combined with the symbol of this group, being disclosed without further technical details
• CPC Class Codes: H01L 2924/19107 off-chip wires
• CPC Class Codes: H03F 2200/537 A transformer being used as coupling element between two amplifying stages
• CPC Class Codes: H03F 2200/541 Transformer coupled at the output of an amplifier
• CPC Class Codes: H03F 3/211 using a combination of several amplifiers H03F3/60 takes precedence
• CPC Class Codes: H03F 3/602 Combinations of several amplifiers
• CPC Class Codes: H03H 7/42 Networks for transforming balanced signals into unbalanced signals and vice versa, e.g. baluns
• CPC Class Codes: H03H 7/48 Networks for connecting several sources or loads, working on the same frequency or frequency band, to a common load or source phase shifters providing two or more output signals H03H7/21
• CPC Class Codes: H05K 1/165 incorporating printed inductors

Abstract

There are provided a power combiner implemented by a printed circuit board, a power amplifying module having the same, and a signal transceiving module. The power combiner includes: a primary wiring unit formed on one surface of a printed circuit board, receiving a plurality of balance signals having positive balance signals and negative balance signals, and including a plurality of positive primary wirings and a plurality of negative primary wirings, wherein the plurality of positive primary wirings are spaced apart from each other by a predetermined interval, the plurality of negative primary wirings are spaced apart from each other by a predetermined interval, one ends of the plurality of positive primary wirings are connected in common to thereby receive the plurality of positive balance signals, one ends of the plurality of negative primary wirings are connected in common to thereby receive the plurality of negative balance signals, and the other ends of the plurality of positive primary wirings and the other ends of the plurality of negative primary wirings are connected to each other to thereby form a loop; and a secondary wiring unit formed on the other surface of the printed circuit board, and including a secondary wiring combining powers of the plurality of balance signals from the primary wirings forming the loop to thereby output a single end signal.

Claims

1. A power combiner comprising:

a primary wiring unit formed on one surface of a printed circuit board, receiving a plurality of balance signals having a plurality of positive balance signals and a plurality of negative balance signals, and including a plurality of positive primary wirings each provided to correspond to the plurality of positive balance signals and a plurality of negative primary wirings each provided to correspond to the plurality of negative balance signals, wherein the plurality of positive primary wirings are spaced apart from each other by a predetermined interval, the plurality of negative primary wirings are spaced apart from each other by a predetermined interval, one end of each of the plurality of positive primary wirings is connected in common to the one end of each of the other positive primary wirings to thereby receive the plurality of positive balance signals, one end of each of the plurality of negative primary wirings is connected in common to the one end of each of the other negative primary wirings to thereby receive the plurality of negative balance signals, and the other end of each of the plurality of positive primary wirings and of each of the plurality of negative primary wirings is connected to the other end of each of the other positive primary wirings and negative primary wirings to thereby form a loop; and

a secondary wiring unit formed on the other surface of the printed circuit board, the other surface being different from the one surface having the primary wiring unit formed thereon, and including a secondary wiring combining powers of the plurality of balance signals from the primary wirings forming the loop to thereby output a single end signal.

2. The power combiner of claim 1, wherein the primary wiring unit further includes an input pad having at least one positive input pad receiving the plurality of positive balance signals and transferring the plurality of positive balance signals to the one end of each of the positive primary wirings connected in common and at least one negative input pad receiving the plurality of negative balance signals.

3. The power combiner of claim 2, wherein the primary wiring unit further includes a first capacitor formed between the at least one positive input pad and the at least one negative input pad.

4. The power combiner of claim 2, wherein the primary wiring unit further includes a plurality of capacitors each formed between the plurality of positive primary wirings and the plurality of negative primary wirings.

5. The power combiner of claim 1, wherein the primary wiring unit further includes a connection pad through which the other ends of the plurality of positive primary wirings and the other ends of the plurality of negative primary wirings are connected to each other in common.

6. The power combiner of claim 5, wherein the connection pad has a preset driving power supplied thereto.

7. The power combiner of claim 1, wherein the secondary wiring unit further includes an output pad outputting the single end signal, and the secondary wiring has one end connected to a ground and the other end connected to the output pad.

8. The power combiner of claim 7, wherein the primary wiring unit further includes:

a first output pad electrically connected to the output pad of the secondary wiring unit;

a second output pad electrically connected to the ground through a bonding wire; and

a second capacitor formed between the first and second output pads.

9. The power combiner of claim 7, wherein a ground pad connected to one end of the secondary wiring has a preset inductance and forms a first notch filter removing a second harmonic component of the single end signal.

10. The power combiner of claim 8, wherein the bonding wire has a preset inductance and forms a second notch filter removing a third harmonic component of the single end signal.

11. The power combiner of claim 1, wherein the primary wiring unit is formed on an upper surface of the printed circuit board and the secondary wiring unit is formed on a lower surface thereof.

12. The power combiner of claim 1, further comprising first and second printed circuit boards,

wherein the primary wiring unit is formed on one surface of the first printed circuit board,

the secondary wiring unit is formed on one surface of the second printed circuit board, and

the second printed circuit board is positioned to be spaced apart from a lower portion of the first printed circuit board by a predetermined distance.

13. The power combiner of claim 1, wherein the plurality of positive primary wirings of the primary wiring unit includes three positive primary wirings and the plurality of negative primary wirings of the primary wiring unit includes three negative primary wirings.

14. The power combiner of claim 1, wherein the plurality of positive primary wirings of the primary wiring unit includes two positive primary wirings and the plurality of negative primary wirings of the primary wiring unit includes two negative primary wirings.

15. A power amplifying module comprising:

a power amplifier including a plurality of amplifying units each receiving a plurality of balance signals having a plurality of positive balance signals and a plurality of negative balance signals and each amplifying the received plurality of balance signals; and

a power combiner including a primary wiring unit formed on one surface of a printed circuit board and including a plurality of positive primary wirings each provided to correspond to the plurality of positive balance signals and a plurality of negative primary wirings each provided to correspond to the plurality of negative balance signals, wherein the plurality of positive primary wirings are spaced apart from each other by a predetermined interval, the plurality of negative primary wirings are spaced apart from each other by a predetermined interval, one end of each of the plurality of positive primary wirings is connected in common to the one end of each of the other positive primary wirings to thereby receive the plurality of positive balance signals, one end of each of the plurality of negative primary wirings is connected in common to the one end of each of the other negative primary wirings to thereby receive the plurality of negative balance signals, and the other end of each of the plurality of positive primary wirings and of each of the plurality of negative primary wirings is connected to the other end of each of the other positive primary wirings and negative primary wirings to thereby form a loop, and a secondary wiring unit formed on the other surface of the printed circuit board, the other surface being different from the one surface having the primary wiring unit formed thereon, and including a secondary wiring combining powers of the plurality of balance signals from the primary wirings forming the loop to thereby output a single end signal.

16. The power amplifying module of claim 15, wherein the primary wiring unit further includes an input pad having at least one positive input pad receiving the plurality of positive balance signals and transferring the plurality of positive balance signals to the one end of each of the positive primary wirings connected in common and at least one negative input pad receiving the plurality of negative balance signals.

17. The power amplifying module of claim 16, wherein the primary wiring unit further includes a first capacitor formed between the at least one positive input pad and the at least one negative input pad.

18. The power amplifying module of claim 16, wherein the primary wiring unit further includes a plurality of capacitors each formed between the plurality of positive primary wirings and the plurality of negative primary wirings.

19. The power amplifying module of claim 15, wherein the primary wiring unit further includes a connection pad through which the other ends of the plurality of positive primary wirings and the other ends of the plurality of negative primary wirings are connected to each other in common.

20. The power amplifying module of claim 19, wherein the connection pad has a preset driving power supplied thereto.

21. The power amplifying module of claim 15, wherein the secondary wiring unit further includes an output pad outputting the single end signal, and the secondary wiring has one end connected to a ground and the other end connected to the output pad.

22. The power amplifying module of claim 21, wherein the primary wiring unit further includes:

a first output pad electrically connected to the output pad of the secondary wiring unit;

a second output pad electrically connected to the ground through a bonding wire; and

a second capacitor formed between the first and second output pads.

23. The power amplifying module of claim 21, wherein a ground pad connected to one end of the secondary wiring has a preset inductance and forms a first notch filter removing a second harmonic component of the single end signal.

24. The power amplifying module of claim 22, wherein the bonding wire has a preset inductance and forms a second notch filter removing a third harmonic component of the single end signal.

25. The power amplifying module of claim 15, wherein the primary wiring unit is formed on an upper surface of the printed circuit board and the secondary wiring unit is formed on a lower surface thereof.

26. The power amplifying module of claim 15, wherein the power combiner further includes first and second printed circuit boards,

the primary wiring unit is formed on one surface of the first printed circuit board,

the secondary wiring unit is formed on one surface of the second printed circuit board, and

the second printed circuit board is positioned to be spaced apart from a lower portion of the first printed circuit board by a predetermined distance.

27. The power amplifying module of claim 15, wherein the plurality of positive primary wirings of the primary wiring unit includes three positive primary wirings and the plurality of negative primary wirings of the primary wiring unit includes three negative primary wirings.

28. The power amplifying module of claim 15, wherein the plurality of positive primary wirings of the primary wiring unit includes two positive primary wirings and the plurality of negative primary wirings of the primary wiring unit includes two negative primary wirings.

29. A signal transceiving module comprising:

a power amplifier including a plurality of amplifying units each receiving a plurality of balance signals having a plurality of positive balance signals and a plurality of negative balance signals and each amplifying the received plurality of balance signals;

a power combiner including a primary wiring unit formed on one surface of a printed circuit board and including a plurality of positive primary wirings each provided to correspond to the plurality of positive balance signals and a plurality of negative primary wirings each provided to correspond to the plurality of negative balance signals, wherein the plurality of positive primary wirings are spaced apart from each other by a predetermined interval, the plurality of negative primary wirings are spaced apart from each other by a predetermined interval, one end of each of the plurality of positive primary wirings is connected in common to the one end of each of the other positive primary wirings to thereby receive the plurality of positive balance signals, one end of each of the plurality of negative primary wirings is connected in common to the one end of each of the other negative primary wirings to thereby receive the plurality of negative balance signals, and the other end of each of the plurality of positive primary wirings and of each of the plurality of negative primary wirings is connected to the other end of each of the other positive primary wirings and negative primary wirings to thereby form a loop, and a secondary wiring unit formed on the other surface of the printed circuit board, the other surface being different from the one surface having the primary wiring unit formed thereon, and including a secondary wiring combining powers of the plurality of balance signals from the primary wirings forming the loop to thereby output a single end signal; and

a radio frequency (RF) switch switching between an output path of the single end signal output from the power combiner and a path of a reception signal received from the outside.

30. The signal transceiving module of claim 29, wherein the primary wiring unit further includes an input pad having at least one positive input pad receiving the plurality of positive balance signals and transferring the plurality of positive balance signals to the one end of each of the positive primary wirings connected in common and at least one negative input pad receiving the plurality of negative balance signals.

31. The signal transceiving module of claim 30, wherein the primary wiring unit further includes a first capacitor formed between the at least one positive input pad and the at least one negative input pad.

32. The signal transceiving module of claim 30, wherein the primary wiring unit further includes a plurality of capacitors each formed between the plurality of positive primary wirings and the plurality of negative primary wirings.

33. The signal transceiving module of claim 29, wherein the primary wiring unit further includes a connection pad through which the other ends of the plurality of positive primary wirings and the other ends of the plurality of negative primary wirings are connected to each other in common.

34. The signal transceiving module of claim 33, wherein the connection pad has a preset driving power supplied thereto.

35. The signal transceiving module of claim 29, wherein the secondary wiring unit further includes an output pad outputting the single end signal, and the secondary wiring has one end connected to a ground and the other end connected to the output pad.

36. The signal transceiving module of claim 35, wherein the primary wiring unit further includes:

a first output pad electrically connected to the output pad of the secondary wiring unit;

a second output pad electrically connected to the ground through a bonding wire; and

a second capacitor formed between the first and second output pads.

37. The signal transceiving module of claim 35, wherein a ground pad connected to one end of the secondary wiring has a preset inductance and forms a first notch filter removing a second harmonic component of the single end signal.

38. The signal transceiving module of claim 36, wherein the bonding wire has a preset inductance and forms a second notch filter removing a third harmonic component of the single end signal.

39. The signal transceiving module of claim 29, wherein the primary wiring unit is formed on an upper surface of the printed circuit board and the secondary wiring unit is formed on a lower surface thereof.

40. The signal transceiving module of claim 29, wherein the power combiner further includes first and second printed circuit boards,

the primary wiring unit is formed on one surface of the first printed circuit board,

the secondary wiring unit is formed on one surface of the second printed circuit board, and

the second printed circuit board is positioned to be spaced apart from a lower portion of the first printed circuit board by a predetermined distance.

41. The signal transceiving module of claim 29, wherein the plurality of positive primary wirings of the primary wiring unit includes three positive primary wirings and the plurality of negative primary wirings of the primary wiring unit includes three negative primary wirings.

42. The signal transceiving module of claim 29, wherein the plurality of positive primary wirings of the primary wiring unit includes two positive primary wirings and the plurality of negative primary wirings of the primary wiring unit includes two negative primary wirings.