CN206195774U

CN206195774U - Eight two -way passageway module MTRX of radio frequency

Info

Publication number: CN206195774U
Application number: CN201621095886.3U
Authority: CN
Inventors: 王浩; 邵文忠; 崔嘉; 李恒业
Original assignee: JIANGSU ACETEC SEMICO-NDUCTOR Co Ltd
Current assignee: JIANGSU ACETEC SEMICO-NDUCTOR Co Ltd
Priority date: 2016-09-29
Filing date: 2016-09-29
Publication date: 2017-05-24
Anticipated expiration: 2026-09-29

Abstract

The utility model discloses an eight two -way passageway module MTRX of radio frequency, including establishing 2 one fen two chip switches and a plurality of one minute four -core piece switch on the PCB board, wherein, two one fen four -core piece switches were inputed respectively after receiving the input port TXI's of PCB board signal to one fen two chip switch, 4 the same signals of every one fen equal final output of four -core piece switch from the double -purpose port output of the correspondence of PCB board, another one minute two chip switch is finally inputed to signal from each double -purpose port input after two one fen four -core piece switch set to output port LPBK output from the PCB board. The utility model discloses an eight two -way passageway module MTRX of radio frequency, a plurality of chip switches form the bidirectional receiving -transmitting module, and the received signal end can be regarded as in the design of multiport, can regard as again and send signal port, when promoting the performance, also reduces the usage space, provides nimble operational scheme in addition to improve the availability factor, have fine practicality.

Description

The channel module MTRX of RF bidirectional eight

Technical field

The utility model belongs to radiofrequency signal building block technique field, more particularly to a kind of channel module of RF bidirectional eight MTRX。

Background technology

At present, in semiconductor test field, test equipment needs switch variety increasing, and common in equipment is machine Tool is switched, though mechanical switch meets testing requirement, its switch speed is slow, the shortcoming of switching short life greatly limits survey The efficiency of examination.

In radio frequency testing field, as measured device pin is more, receiver port demand is big, the general device testing time It is consequently increased, so, although many test systems do not catch up with day using the mode process signal of multiport yet yet now The increased testing requirement of benefit.

Utility model content

Utility model purpose：For the deficiencies in the prior art, the purpose of this utility model is to provide a kind of radio frequency Two-way eight channel modules MTRX,.

Technical scheme：In order to realize above-mentioned utility model purpose, the technical solution adopted in the utility model is as follows：

A kind of channel module MTRX of RF bidirectional eight, including it is located at 2 one-to-two chip switch on pcb board and multiple one Divide four chip switch, wherein, after an one-to-two chip switch receives the signal of input port TXI of pcb board, it is input into respectively Two one point of four chip switch, corresponding double-purpose of the 4 identical signals of the equal final output of each one point of four chip switch from pcb board Port exports；From the signal of each double-purpose port input is final another one-to-two is input into after two one point four chip switch set Chip switch, and exported from the output port LPBK of pcb board.

Described one-to-two chip switch is respectively chip switch ST421 and chip switch ST221；One point of four described core Piece switch includes chip switch ST341, chip switch ST342, chip switch ST343, chip switch ST344, chip switch ST321, chip switch ST322, chip switch ST323, chip switch ST324, chip switch ST325, chip switch ST326, Chip switch ST327 and chip switch ST328；Wherein, chip switch ST421 connections input port TXI and chip switch ST341 And chip switch ST343, chip switch ST221 connection output port LPBK and chip switch ST341 and chip switch ST343；Chip switch ST341 connects chip switch ST342, and chip switch ST342 is opened with chip switch ST321, chip respectively Close ST322, chip switch ST323, chip switch ST324 to be connected, signal is respectively classified into four road signals again, at four double-purpose ends Mouth obtains four output signals；Chip switch ST343 is connected with chip switch ST344, and chip switch ST344 is opened with chip respectively Close ST325, chip switch ST326, chip switch ST327, chip switch ST328 to be connected, signal is respectively classified into four roads letter again Number, obtain four output signals four double-purpose ports.

Described chip switch ST421 is the RFSW8000 chips of Qorvo companies.

The HMC849 chips of chip switch ST221 described Hittite company.

Described chip switch ST341, chip switch ST342, chip switch ST343, chip switch ST344 are The RF1604 chips of Qorvo companies.

Described chip switch ST321, chip switch ST322, chip switch ST323, chip switch ST324, chip are opened Close the RF1602 chips that ST325, chip switch ST326, chip switch ST327, chip switch ST328 are Qorvo companies.

Described double-purpose port includes port TRX1, port TRX2, port TRX3, port TRX4, port TRX5, port TRX6, port TRX7 and port TRX8.

The described channel module MTRX of RF bidirectional eight, when using, described two-way eight channel modules MTRX is using multiple Block combiner is connected, and connected mode is the signal input part of previous module double-purpose port and the one-to-two chip switch of latter module Mouth is connected.

Beneficial effect：Compared with prior art, the channel module MTRX of RF bidirectional of the present utility model eight, multiple chips Switches set is in pairs to transceiver module, and the design of multiport can carried as sending signal port again as signal end is received While rising performance, also reduce and use space, and flexible operational version is provided, so that service efficiency is improved, with fine Practicality.

Brief description of the drawings

Fig. 1 is the structural representation of the channel module MTRX of RF bidirectional eight.

Specific embodiment

The utility model is described further with reference to specific accompanying drawing.

As shown in figure 1, the channel module MTRX of RF bidirectional eight, including 4 type chip switch on pcb board are located at, altogether 14 chip switch.

The first chip switch is chip switch ST421, is one-to-two chip switch, this chip switch have High Linear, Bear power it is high the characteristics of, the RFSW8000 chips of prioritizing selection Qorvo.

Second chip switch is chip switch ST221, is also one-to-two chip switch, this chip switch have it is high every From, stability is high the characteristics of, the HMC849 chips of prioritizing selection Hittite companies.

The third chip switch is chip switch ST341, chip switch ST342, chip switch ST343, chip switch ST344, is one point of four chip switch by 4 altogether, the characteristics of this chip switch has filter with low insertion loss, stability is high, prioritizing selection The RF1604 chips of Qorvo companies.

4th kind of chip switch is chip switch ST321, chip switch ST322, chip switch ST323, chip switch ST324, chip switch ST325, chip switch ST326, chip switch ST327, chip switch ST328, are one by 8 altogether Point four chip switch, the characteristics of this chip switch has filter with low insertion loss, stability is high, the RF1602 cores of prioritizing selection Qorvo companies Piece, not only can guarantee that quality but also can meet demand.

When being used as sending signal module in this module, chip switch ST421 and chip switch ST341, chip switch ST343 It is respectively connected with, obtained from signal port TXI input signal is divided into two output signals；Chip switch ST341 and core Piece switch ST342 be connected, chip switch ST342 respectively with chip switch ST321, chip switch ST322, chip switch ST323, Chip switch ST324 is connected, and signal is respectively classified into four road signals again, TRX1, port TRX2, port TRX3, port in port TRX4 obtains four output signals；Chip switch ST343 is connected with chip switch ST344, chip switch ST344 respectively with chip Switch ST325, chip switch ST326, chip switch ST327, chip switch ST328 are connected, and signal is respectively classified into four tunnels again Signal, in port, TRX5, port TRX6, port TRX7, port TRX8 obtain four output signals.

Be used as in this module receive signaling module when, chip switch ST321, chip switch ST322, chip switch ST323, Chip switch ST324 is connected with chip switch ST342 simultaneously, now port TRX1, port TRX2, port TRX3, port TRX4 As the receiving port of signal；Chip switch ST325, chip switch ST326, chip switch ST327, chip switch ST328 are same When be connected with chip switch ST344, now port TRX5, port TRX6, port TRX7, port TRX8 as signal receiving terminal Mouthful；Chip switch ST342 is connected with chip switch ST341 and is connected to chip switch ST221 by signal output；Chip switch ST344 is connected with chip switch ST343 and is connected to chip switch ST221 by signal output.

The RF bidirectional eight channel module MTRX, PCB left side TXI ports are signal input port, by chip switch Be divided into two for signal by ST421, by one point of signal is being four by chip switch ST341 ~ chip switch ST344, by chip Switch ST321 ~ chip switch SD328 reaches the output of right side port TRX1 ~ 8, is input into by a port with reaching signal, is divided into eight Individual port output, facilitates the collection and treatment of desired signal.

This module is bidirectional transmit-receive module, so port TRX1 ~ 8 can again can be used as input port as output port. Radiofrequency signal passes into chip switch ST321 ~ ST328 by port TRX1 ~ 8, by chip switch ST341 ~ ST344, then LPBK ports are reached by chip switch ST221 to export, be input into the multiport for reaching signal.

It can be seen that one of the characteristics of this module is present be exactly signal can be while being received and dispatched.This inside modules chip switch ST341, chip switch ST343, chip switch ST321 ~ ST238 be equipped with terminal load, and chip switch ST341 ~ Chip switch ST321 ~ SD328 is configured with after ST344 so that inside modules have the characteristic of high isolation.

This module can require, can be used in combination with multiple modules that for example port TRX1 ~ 8 reconnect according to test event The port TXI of next module, so that the port of output signal becomes more, more facilitates if it need to extract signal.Also may be used Reached so that port LPBK is connected with port TXI and receive multiple purpose signal more.

Claims

1. the channel module MTRX of a kind of RF bidirectional eight, it is characterised in that 2 one-to-two chips including being located on pcb board are opened Close and multiple one point of four chip switch, wherein, one-to-two chip switch receives the signal of the input port TXI of pcb board Afterwards, two one point of four chip switch are input into respectively, and 4 identical signals of the equal final output of each one point of four chip switch are from pcb board Corresponding double-purpose port output；It is input into after two one point four chip switch set from the signal of each double-purpose port input is final Another one-to-two chip switch, and exported from the output port LPBK of pcb board.

2. the channel module MTRX of RF bidirectional according to claim 1 eight, it is characterised in that described one-to-two chip is opened Close and be respectively chip switch ST421 and chip switch ST221；One point of four described chip switch includes chip switch ST341, core Piece switch ST342, chip switch ST343, chip switch ST344, chip switch ST321, chip switch ST322, chip switch ST323, chip switch ST324, chip switch ST325, chip switch ST326, chip switch ST327 and chip switch ST328； Wherein, chip switch ST421 connections input port TXI and chip switch ST341 and chip switch ST343, chip switch ST221 connects output port LPBK and chip switch ST341 and chip switch ST343；Chip switch ST341 connection chips are opened Close ST342, chip switch ST342 respectively with chip switch ST321, chip switch ST322, chip switch ST323, chip switch ST324 is connected, and signal is respectively classified into four road signals again, and four output signals are obtained four double-purpose ports；Chip switch ST343 is connected with chip switch ST344, chip switch ST344 respectively with chip switch ST325, chip switch ST326, chip Switch ST327, chip switch ST328 be connected, signal is respectively classified into four road signals again, four double-purpose ports obtain four it is defeated Go out signal.

3. the channel module MTRX of RF bidirectional according to claim 2 eight, it is characterised in that described chip switch ST421 is the RFSW8000 chips of Qorvo companies.

4. the channel module MTRX of RF bidirectional according to claim 2 eight, it is characterised in that described chip switch The ST221 HMC849 chip of Hittite companies.

5. the channel module MTRX of RF bidirectional according to claim 2 eight, it is characterised in that described chip switch ST341, chip switch ST342, chip switch ST343, chip switch ST344 are the RF1604 chips of Qorvo companies.

6. the channel module MTRX of RF bidirectional according to claim 2 eight, it is characterised in that described chip switch ST321, chip switch ST322, chip switch ST323, chip switch ST324, chip switch ST325, chip switch ST326, Chip switch ST327, chip switch ST328 are the RF1602 chips of Qorvo companies.

7. the channel module MTRX of RF bidirectional according to claim 1 eight, it is characterised in that described double-purpose port includes Port TRX1, port TRX2, port TRX3, port TRX4, port TRX5, port TRX6, port TRX7 and port TRX8.

8. the channel module MTRX of RF bidirectional according to claim 1 eight, it is characterised in that when using, described is two-way Using multiple block combiner connections, connected mode is a point of previous module double-purpose port and latter module to eight channel module MTRX The signal input port of two chip switch is connected.