Extensible port ping-pong frequency hopping source module based on SIP (Session Initiation Protocol) technology
By designing an expandable port ping-pong frequency hopping source module based on SIP technology in the radio frequency module, integrating two phase-locked loop circuits and using the port expansion strobe switch, the high integration and high integration of the ping-pong frequency hopping source in the radio frequency module are solved. Miniaturization problem, realizing multi-cascade use and wide-band support.
Patent Information
- Application Number
- CN202421253140.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-03
- Publication Date
- 2025-01-21
- Estimated Expiration
- 2034-06-03
AI Technical Summary
The prior art is difficult to achieve high integration and miniaturization of ping-pong frequency hopping sources in RF modules. At the same time, multiple phase-locked sources are required to be used in high-speed communication systems, and the solution of expansion ports is lacking.
An expandable port ping-pong frequency hopping source module based on SIP technology is designed. By integrating two phase-locked loop circuits and using port expansion strobe switches, it can achieve fast switching and multi-cascade use. The module uses a cermet tube shell and metal The cover plate forms a sealed cavity.
The integration of two phase-locked loop circuits is achieved. The module is smaller in size and more integrated. It has an expansion port function, supports the use of a wide frequency band of 10 to 20 GHz, and is suitable for high-speed communication systems.
Smart Images
Figure CN222381643U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of SIP modules, in particular to an expandable port ping-pong frequency hopping source module based on the SIP technology. Background Art
[0002] With the development and widespread application of RF wireless communication systems, the requirements for the integration and miniaturization of RF module circuits are becoming increasingly higher. The three-dimensional system-level packaging technology can achieve circuit stacking in the Z direction through the ball grid array between multi-layer substrates, and high-density integration of various types of passive and active devices. It has the advantages of low cost, light weight, high integration and self-packaging.
[0003] Frequency source modules play an indispensable role in wireless communication and radar communication systems, and the ping-pong frequency hopping source module can realize the output of two phase-locked sources through switch control. It has the advantages of small size and high-speed frequency hopping, and plays an extremely important role in high-speed communication systems. In addition, communication systems usually require the integration of multiple phase-locked sources. The ping-pong frequency hopping source module with an expansion port can realize the cascade of multiple phase-locked source modules. The study of the ping-pong frequency hopping source with an expansion port is of great significance to the miniaturization and high integration of the entire system. Utility Model Content
[0004] Purpose of the invention: The utility model provides an expandable port ping-pong frequency hopping source module based on SIP technology with fast switching of dual frequency hopping sources and port expansion.
[0005] Technical solution: An expandable port ping-pong frequency hopping source module based on SIP technology, comprising: a metal ceramic tube shell, a first phase-locked loop circuit, a second phase-locked loop circuit, and a metal cover; the first phase-locked loop circuit is installed at the bottom of the cavity of the metal ceramic tube shell, and a port expansion enable switch is provided on the first phase-locked loop circuit; the second phase-locked loop circuit is arranged above the first phase-locked loop circuit and is fixedly connected to the first phase-locked loop circuit; the output ends of the first phase-locked loop circuit and the second phase-locked loop circuit are both connected to the port expansion enable switch; the metal cover cooperates with the metal ceramic tube shell to form a sealed cavity.
[0006] Specifically, the first phase-locked loop circuit includes a lower substrate, on which are provided: a first phase-locked loop active circuit, a first phase-locked loop oscillation source circuit and a first phase-locked loop oscillation source signal power division circuit connected in sequence; the first phase-locked loop oscillation source signal power division circuit is respectively connected to the first phase-locked loop signal amplification circuit and the first phase-locked loop pre-division circuit; the first phase-locked loop signal amplification circuit is sequentially connected to the first phase-locked loop isolation switch circuit, the port expansion selection switch and the RF output port; the first phase-locked loop pre-division circuit is sequentially connected to the first phase-locked loop frequency synthesis circuit and the first phase-locked loop digital control circuit; the first phase-locked loop active circuit is also connected to the first phase-locked loop frequency synthesis circuit.
[0007] Specifically, the second phase-locked loop circuit includes an upper substrate, on which are provided: a second phase-locked loop active circuit, a second phase-locked loop oscillation source circuit and a second phase-locked loop oscillation source signal power division circuit connected in sequence; the second phase-locked loop oscillation source signal power division circuit is respectively connected to the second phase-locked loop signal amplification circuit and the second phase-locked loop pre-division circuit; the second phase-locked loop signal amplification circuit is connected in sequence to the second phase-locked loop isolation switch circuit and the port expansion selection switch; the second phase-locked loop pre-division circuit is connected in sequence to the second phase-locked loop frequency synthesis circuit and the second phase-locked loop digital control circuit; the second phase-locked loop active circuit is also connected to the second phase-locked loop frequency synthesis circuit.
[0008] Preferably, an expansion port is further provided on the lower substrate, and the expansion port is connected to the port expansion selection switch.
[0009] Preferably, the first phase-locked loop circuit and the second phase-locked loop circuit are connected in a stacked form via a metal ball between the two circuits.
[0010] Preferably, the metal ceramic tube shell is composed of a ceramic circuit board and a Kovar alloy frame.
[0011] Preferably, the metal cover plate is made of Kovar alloy.
[0012] Specifically, the operating frequency band of the expandable port ping-pong frequency hopping source module is 10-20 GHz.
[0013] Beneficial effects:
[0014] 1. Integrate two phase-locked loop circuits in the same module, and realize the fast switching output of two frequency-hopping phase-locked sources through port expansion selection switches, which has higher integration and smaller module size.
[0015] 2. It has an expansion port, which can realize the cascade use of multiple phase-locked sources.
[0016] 3. The operating frequency band is 10~20GHz, which is a wide frequency range. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 It is a structural diagram of an expandable port ping-pong frequency hopping source module.
[0018] Figure 2 It is a three-dimensional schematic diagram of an expandable port ping-pong frequency hopping source module.
[0019] Figure 3 This is the first phase-locked loop circuit distribution diagram.
[0020] Figure 4 This is the distribution diagram of the second phase-locked loop circuit. DETAILED DESCRIPTION
[0021] The present invention will be further described below in conjunction with the accompanying drawings and specific implementations.
[0022] Please refer to Figure 1 and Figure 2 As shown, this embodiment provides an expandable port ping-pong frequency hopping source module based on SIP technology, including: a metal ceramic tube shell 1, a first phase-locked loop circuit 2, a second phase-locked loop circuit 3, and a metal cover plate 4; the first phase-locked loop circuit 2 is installed at the bottom of the cavity of the metal ceramic tube shell 1; the second phase-locked loop circuit 3 is arranged above the first phase-locked loop circuit 2 and is fixedly connected to the first phase-locked loop circuit 2; the metal cover plate 4 cooperates with the metal ceramic tube shell 1 to form a sealed cavity.
[0023] In this embodiment, the metal ceramic tube shell 1 is made of a ceramic circuit board and a Kovar alloy frame, the surface of the metal part of the tube shell is gold-plated, and the size is 21mm×16mm×3.8mm; the metal cover plate 4 is made of Kovar alloy and is sealed using parallel sealing technology.
[0024] Please refer to Figure 3 As shown, the first phase-locked loop circuit 2 includes a lower substrate 5, on which are arranged: a first phase-locked loop active circuit 6, a first phase-locked loop oscillator source circuit 7 and a first phase-locked loop oscillator source signal power division circuit 8 connected in sequence; the first phase-locked loop oscillator source signal power division circuit 8 is respectively connected to a first phase-locked loop signal amplification circuit 9 and a first phase-locked loop pre-frequency division circuit 11; the first phase-locked loop signal amplification circuit 9 is connected in sequence to a first phase-locked loop isolation switch circuit 10, a port extension selection switch 12 and a radio frequency output port 16; the first phase-locked loop pre-frequency division circuit 11 is connected in sequence to a first phase-locked loop frequency synthesis circuit 14 and a first phase-locked loop digital control circuit 13; an extension port 15 is also provided on the lower substrate 5, and the extension port 15 is connected to the port extension selection switch 12; the first phase-locked loop active circuit 6 is also connected to the first phase-locked loop frequency synthesis circuit 14.
[0025] The first phase-locked loop oscillator source circuit 7 generates a microwave signal, which is divided into two after passing through the first phase-locked loop oscillator source signal power division circuit 8. One path enters the first phase-locked loop frequency synthesis circuit 14 through the first phase-locked loop pre-division circuit 11, and the other path passes through the first phase-locked loop signal amplification circuit 9, the first phase-locked loop isolation switch circuit 10, and the port expansion selection switch 12, and is output from the RF output port 16; the first phase-locked loop digital control circuit 13 is connected to the first phase-locked loop frequency synthesis circuit 14 to realize the locking and frequency hopping functions of the oscillation signal of the first phase-locked loop circuit 2.
[0026] Please refer to Figure 4 As shown, the second phase-locked loop circuit 3 includes an upper substrate 17, on which are provided: a second phase-locked loop active circuit 18, a second phase-locked loop oscillator source circuit 19 and a second phase-locked loop oscillator source signal power division circuit 20 connected in sequence; the second phase-locked loop oscillator source signal power division circuit 20 is respectively connected to a second phase-locked loop signal amplification circuit 21 and a second phase-locked loop pre-dividing circuit 23; the second phase-locked loop signal amplification circuit 21 is connected in sequence to a second phase-locked loop isolation switch circuit 22 and a port expansion selection switch 12 on the first phase-locked loop circuit 2; the second phase-locked loop pre-dividing circuit 23 is connected in sequence to a second phase-locked loop frequency synthesis circuit 25 and a second phase-locked loop digital control circuit 24; the second phase-locked loop active circuit 18 is also connected to the second phase-locked loop frequency synthesis circuit 25.
[0027] The second phase-locked loop oscillator source circuit 19 generates a microwave signal, which is divided into two after passing through the second phase-locked loop oscillator source signal power division circuit 20. One path enters the second phase-locked loop frequency synthesis circuit 25 through the second phase-locked loop pre-division circuit 23, and the other path is output to the port expansion selection switch 12 on the first phase-locked loop circuit 2 after passing through the second phase-locked loop signal amplification circuit 21 and the second phase-locked loop isolation switch circuit 22, and then output from the RF output port 16; the second phase-locked loop digital control circuit 24 is connected to the second phase-locked loop frequency synthesis circuit 25 to realize the locking and frequency hopping functions of the oscillation signal of the second phase-locked loop circuit 3.
[0028] The first phase-locked loop circuit 2 and the second phase-locked loop circuit 3 are fixedly connected in a stacked manner via metal balls between the lower substrate 5 and the upper substrate 17 .
[0029] The output signals of the first phase-locked loop circuit 2 and the second phase-locked loop circuit 3 are output from the RF output port 16 via the port extension selection switch 12 under different control signals, thereby realizing the integration of the two phase-locked loop circuits and the free switching of signals; the external RF signal can be input from the extension port 15 and output from the RF output port 16 via the port extension selection switch 12, thereby realizing the signal output of the extension port 15.
[0030] The expandable port ping-pong frequency hopping source module based on the SIP technology provided in this embodiment can be used in a frequency band of 10 to 20 GHz and has a relatively wide frequency range.
Claims
1. An expandable port ping-pong frequency hopping source module based on SIP technology, characterized in that: include: A metal ceramic tube shell (1), a first phase-locked loop circuit (2), a second phase-locked loop circuit (3), and a metal cover plate (4); the first phase-locked loop circuit (2) is installed at the bottom of the cavity of the metal ceramic tube shell (1), and a port expansion selection switch (12) is provided on the first phase-locked loop circuit (2); the second phase-locked loop circuit (3) is arranged above the first phase-locked loop circuit (2) and is fixedly connected to the first phase-locked loop circuit (2); the output ends of the first phase-locked loop circuit (2) and the second phase-locked loop circuit (3) are both connected to the port expansion selection switch (12); the metal cover plate (4) cooperates with the metal ceramic tube shell (1) to form a sealed cavity.
2. The expandable port ping-pong frequency hopping source module according to claim 1, characterized in that: The first phase-locked loop circuit (2) comprises a lower substrate (5), on which are arranged: a first phase-locked loop active circuit (6), a first phase-locked loop oscillator circuit (7) and a first phase-locked loop oscillator signal power division circuit (8) which are connected in sequence; the first phase-locked loop oscillator signal power division circuit (8) is respectively connected to a first phase-locked loop signal amplification circuit (9) and a first phase-locked loop pre-frequency division circuit (11); the first phase-locked loop signal amplification circuit (9) is sequentially connected to a first phase-locked loop isolation switch circuit (10), a port expansion selection switch (12) and a radio frequency output port (16); the first phase-locked loop pre-frequency division circuit (11) is sequentially connected to a first phase-locked loop frequency synthesis circuit (14) and a first phase-locked loop digital control circuit (13); and the first phase-locked loop active circuit (6) is also connected to the first phase-locked loop frequency synthesis circuit (14).
3. The expandable port ping-pong frequency hopping source module according to claim 1, characterized in that: The second phase-locked loop circuit (3) comprises an upper substrate (17), on which are provided: a second phase-locked loop active circuit (18), a second phase-locked loop oscillator source circuit (19) and a second phase-locked loop oscillator source signal power division circuit (20) which are connected in sequence; the second phase-locked loop oscillator source signal power division circuit (20) is respectively connected to a second phase-locked loop signal amplification circuit (21) and a second phase-locked loop pre-frequency division circuit (23); the second phase-locked loop signal amplification circuit (21) is sequentially connected to a second phase-locked loop isolation switch circuit (22) and a port expansion selection switch (12); the second phase-locked loop pre-frequency division circuit (23) is sequentially connected to a second phase-locked loop frequency synthesis circuit (25) and a second phase-locked loop digital control circuit (24); and the second phase-locked loop active circuit (18) is also connected to the second phase-locked loop frequency synthesis circuit (25).
4. The expandable port ping-pong frequency hopping source module according to claim 2, characterized in that: The lower substrate (5) is also provided with an expansion port (15), and the expansion port (15) is connected to the port expansion selection switch (12).
5. The expandable port ping-pong frequency hopping source module according to claim 1, characterized in that: The first phase-locked loop circuit (2) and the second phase-locked loop circuit (3) are connected in a stacked form via a metal ball between the two circuits.
6. The expandable port ping-pong frequency hopping source module according to claim 1, characterized in that: The metal ceramic tube shell (1) consists of a ceramic circuit board and a Kovar alloy surrounding frame.
7. The expandable port ping-pong frequency hopping source module according to claim 1, characterized in that: The metal cover plate (4) is made of Kovar alloy.
8. The expandable port ping-pong frequency hopping source module according to claim 1, characterized in that: The operating frequency band of the expandable port ping-pong frequency hopping source module is 10-20 GHz.