JPH0364218A - Microwave module - Google Patents

Abstract

PURPOSE:To reduce the size of a module form by arranging an RF circuit and a control circuit in a case three-dimensionally and forming the power supply/control pins and the RF signal pins in the direction vertical to the circuit surface and in one body with the case. CONSTITUTION:The power supply/control pins 4 and an RF signal pin 5 are formed in one body with a case 1. An RF circuit 2 is set in the case land connected partly with the pins 4 and connected with the pin 5 respectively. A control circuit 3 is set above the circuit 2 and connected with the pins 4. In such constitution, both pins 4 and 5 set vertically to the circuit surface also function to secure the connection between an external interface and a circuit. Thus it is possible to obtain the satisfactory characteristic for supply of the power and signals and also to reduce the size of a module form.

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a microwave module that is heavily equipped with a microwave circuit and a control circuit for use in a radar device or the like.

[Conventional technology]

FIG. 4 shows, for example, rAspgcTs OF MODER
N RADARJ pages 292-293 (Elf B
1 is a structural cross-sectional view of a conventional microwave module described in the book by Rook*r (published by Artseh House). In the figure, 1 is a case, 2 is an RF circuit, 3 is a control circuit, and 4 is a power supply/control signal pin. Also, 5 is RF
The signal pin 6 is a circuit quantity connection part, and as shown in FIG. 5 are provided parallel to these planes.

Next, the operation will be explained based on the block constituent countries shown in FIG. Here, after power control signal pin 4, signal pin 4! l
When a power signal is applied to *41b and a control signal is applied to signal pin 4sa*43b, this control signal is input from each terminal Pxa I P tb of control circuit 3. The RF control signals generated inside this control circuit 3 are output from each terminal P21 & vP21), and then these RF control signals and power supply signals are sent to the RF circuit via the circuit connection section 6. Added to 2. As a result, the p, aF circuit 2 performs operations such as switching and amplifying the microwave signal, and the RF flaw signal input/output to the RF circuit 2 is performed via the RF signal pin 5 and the signal pins 5m and 5b. It has become a thing. In Figure 5, Ps@, p3b and 441
m IP4b and psa.

P5b indicates each terminal of the control circuit 2.

[Problem to be solved by the invention]

Conventional microwave modules are configured as described above, so the shape of the microwave module is different from that of a flat plate structure.
ab, therefore, the dimensions in the plane direction have become larger, and it is necessary to install the power/control signal pin 4 and RF signal pin 5 on the side of the case, and high-level installation requires precision and requires installation space. There was a problem that there were few.

In addition, in order to supply power and control signals to the RF circuit 2,
It is necessary to connect the control circuit 3 and the RF circuit 2 by providing a circuit connection section 6, and there are also problems such as long wiring for power supply and control signals, voltage drop, and noise.

The present invention has been made to solve the above-mentioned problems, and it is possible to miniaturize the module shape, obtain good power supply and signal supply characteristics, and obtain a microwave module with less voltage drop and noise contamination. The purpose is to

[Means to solve the problem]

The microwave module according to the present invention has an RF
In addition to providing circuits and control circuits in a three-dimensional arrangement, each power supply/control signal pin and RF signal pin is provided vertically on the surface of the RF circuit and control circuit, and these signal pins are connected to the external interface and between the circuits. It is designed so that it can also be used for connection.

[Effect]

In the present invention, the power supply/control signal pin provides an interface for the power supply/control signal with the outside, and also provides connection between the RF circuit and the control circuit 30. The power/control signal pins and RF signal pins integrated with the case can interface with the outside in a direction perpendicular to the surfaces of the RF circuit 2 and control circuit 3.

〔Example〕

Hereinafter, embodiments of the present invention will be described with reference to the drawings.

FIG. 1 is a cross-sectional view of a schematic structure of an embodiment of a microwave module according to the present invention. In FIG. 1, 1 is a case, 2 is an RF circuit as a microwave circuit, 3 is a control circuit, 4 is a power supply/control signal pin, and 5 is an RF signal pin. Here, the power/control signal pin 4 and the RF signal pin 5 are integrally formed with the case 1, and the RF circuit 2 is disposed in the upper part of the case. A portion of the power/control signal pin 4 and an RF signal pin 5 are connected to the RF circuit 2 . Further, the control circuit 3 # is arranged above the iRF circuit 2 and connected to the b1 power supply/control signal pin 4.

Figure 2 shows the block configuration of a microwave module similar to the embodiment shown in Figure 1. This figure shows a case where the number of power/control signal pins 40 is six and the number of RF signal pins 5 is two. ing. Here, power/control signal pins 41@, 4
1b is connected to the terminal Pla t P 1b of the control circuit 3, and is connected to the power/control signal pin 42. .

42b is connected to the terminal Pla + P2b of the control circuit 3 and the terminal P31L + P3b of the RF circuit 2, respectively.
It is connected to terminal P4alP4b of circuit 2. Also,
The RF signal pins 5a and 5b are terminals Psa l of the RF circuit 2.
Connected to Psb. In the figures, the same symbols are the same.
The casing shows a considerable portion.

Next, the operation will be explained using the block diagram shown in FIG. Here, the control signal is transmitted from the outside of the microwave module to the control circuit 3 through the stain source/control signal pin 41 & t41b.
When input to terminal P1jL+Plb, this control circuit 3 generates an RF control signal,
Output to. At this time, the control circuit 3 and the RF circuit 2 are connected to the power supply control signal pins 42m+42b.
The F control signal is applied to terminals P31 &+P3b of the RF circuit 2. Further, a power signal is applied from outside the microwave module to the terminal P41 r P 4b of the RF circuit 2 via the power/control signal pin 4s□4sb. As a result, the RF circuit 2 uses the power supply signal and the RF control signal to switch and amplify the microwave signal, and this R
Microwave signals input and output to terminals PS□P, , b of the F circuit 2 are interfaced with the outside via RF signal pins 5m, 5b.

As described above, according to the microwave module of this embodiment,
The RF circuit 2 and control circuit 3 are arranged three-dimensionally within the case 1, and the power/control signal pin 4 and RF signal pin 5 provided perpendicularly to the circuit surface are used for both the external interface and the connection between the circuits. In particular, it has the advantage of providing good power and signal supply characteristics, as well as being able to reduce the size of the module.

In the above embodiment, the control circuit 3 is provided above the RF circuit 2, but as shown in FIG.
may be provided at the bottom of the RF circuit 2.

〔Effect of the invention〕

As described above, according to the present invention, the RF circuit and the control circuit are arranged three-dimensionally within the case, and the power supply/control signal pin and the RF signal pin are integrated with the case perpendicular to the circuit surface. , the module shape can be made smaller, and
Power/control signal pins and RF signal pins can be arbitrarily arranged on the same plane with high precision. As a result, it is possible to easily interface with the outside, eliminate the need for circuit connections required to connect the RF circuit and control circuit, and obtain a microwave module with low voltage drop and noise contamination. effective.

[Brief explanation of drawings]

FIG. 1 is a schematic sectional view showing a microwave module according to an embodiment of the present invention, FIG. 2 is a block diagram thereof, and FIG.
The figure is a schematic sectional view corresponding to FIG. 1 showing another embodiment of the present invention, FIG. 4 is a schematic sectional view showing an example of a conventional microwave module, and FIG. 5 is a block diagram thereof. 1...Case, 2...RF circuit, 3...Control circuit, 4...Power/control signal pin, 5...R
F signal pin

Claims (1)

[Claims] The RF circuit and control circuit are arranged three-dimensionally within the case, and the power supply/control signal pins and RF signal pins are provided vertically on the surface of the RF circuit and control circuit, and these signal pins are connected to the outside. A microwave module characterized by being designed to serve as both an interface and a connection between circuits.