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About us

      Shanghai Huaxiang Computer Communication Engineering Co.,Ltd (SHX) not only is a high-tech enterprise within 25 years operating, involved producing, devising and marketing RF & microwave components, but also passed quality management system certification, displayed as ISO & GJB9001B-2009.                               

      The main product include Coaxial Attenuator, Coaxial Termination/Load, Directional Coupler, Power Divider, Coaxial Detector, Microwave Power Meter, Coaxial Switcher, Test Cable, Adapter and Microwave Test Subsystem. Thanks to forward-looking insight and comprehensive layout, SHX owns lots of patents and copyrights of software, international advanced techniques and facilities; more than 6000㎡ workplace and above 100 employees included technicians and sophisticated workers, enough capabilities to efficiently satisfying demands of customers and study. As nominated supplier, SHX products are catered to more and more various industries and territories of demanders involved Communication Equipment Manufacturer, Medicine, Radio and Television, Commission-free, Institute and so on.

Product function and feature(listed as follows):


     SHX could supply various RF & microwave fixed attenuators, variable attenuators( involved step attenuators, dial typed attenuators, continuous typed attenuators); programmable attenuators. Varieties of input and output joint could be afforded, specifically concerned with SMA,BNC,N,4.3/10,DIN,TNC,2.4 mm,2.92mm,3.5mm,1.85 mm and the others. The toppest frequency band could reach 67GHz., Average Power: 1W-10KW.roduct function and feature(listed as follows):

Coaxial Fixed Attenuator

     Coaxial fixed attenuator can quantitatively absorb energy from transmission line, extending power measurement range, controlling power level, equipped low power meter, comprehensive test instrument or spectrum analyzer to accurately testing power or frequency spectrum from various RF & microwave transmitter.

     SHX can afford coaxial fixed attenuators' Average Power: 1w - 10kw, Frequency: DC-67GHz, referred to 1.85, 2.4, 2.92, 3.5, SMA, N, 4.3/10, DIN, BNC,TNC and the other various types of connector; 50Ω,75Ω & GZL-DTS serial isolate DC attenuator、anti-pulse & low intermodulation attenuator and other series. According to different power, there are different refrigerating ways optionally, such as natural cooling, oil cooling, water cooling and others.

      Coaxial fixed attenuators in SHX equips following traits: wider work frequency band, larger power span, lower VSWR, higher attenuation value precision, anti-pulse, stronger anti-burnout capabilities. Series of style, frequency, power, attenuation value and shapes of joint are listed as follows:

Series

Frequency

Power

Nominal Attenuation(DB)

Connector Type

1.85

DC-67G

2W

3~20

1.85

2.4

DC-50G

0.5-20W

1~40

2.4

2.92

DC-40G

0.5-50W

1~40

2.92

3.5

DC-26.5G

2-100W

1~50

3.5

SMA

DC-26.5G

0.5-50W

1~60

SMA

DTS

DC-20G

0.5-3000W

1~60

N,TNC,DIN

GDTS(oil cooling)

DC-2G

1KW-10KW

20~50

N ,DIN,5035

GZL-DTS(isolate DC attenuator)

0.1-6G

2-100W

1~40

N

PDTS(anti- pulse attenuator)

DC-6G

100-1000W

3~50

N,7/16

4.3/10

DC-6G

2-200W

1~40

4.3/10,4.1/9.5

TNC

DC-18G

2-200W

1~90

TNC

TS(75Ω)

DC-3G

1/2/5W

1~40

F,N,SMA,BNC

NDTS

DC-50G

2-500W

1~50

 

LIM-TS(low intermodulation)

DC-6G

2-300W

3~40

N,7/16,4.3/10

 

      Coaxial Variable Attenuators

      Coaxial variable attenuators can be used to adjust the power signal level continuously or by step within certain frequency range, they can also be used to adjust the test system's power level as inset attenuators, it is small with high accuracy and high stability etc. Related to 50Ω,75Ω series; Power:1w-300w. Step/ Drum adjustable/Variable  /Programmable and other modes of modulation; Frequency Range:100M-40G. Usually, programmable attenuators automatically control microwave power level by use of TTL/CMOS interface, involved input power (mainly control signal test system), output power( referred to signal generation system) and so on. Principally applying to various communication & microwave automatic test system(ATE).

Series

Frequency

Power

Dynamic Range

Connector Type

GKTS-A(Drum-step)

DC-18G

2W/10W

0~101dB

SMA,N

GKTS-B(Key-step)

DC-4G

2/5/10/25W

0~90dB

N,SMA,BNC,F

GKTS(Variable)

0.5-18G

5-300W

0~60dB

SMA,N

SHX371(Programmable)

DC-18G

2/5/10/30W

0~110dB

 

GKTS-H(Solid-programmable)

0.2-6G

1W

0~110dB

 

GKTS-K(High-frequency programmable)

0.5-40G

1W

0~63dB

2.92

Integrated attenuators

     For microwave power control, apply to be fixed into relevant equipment or soldered into microwave circuits, endowed with smaller volume, higher accuracy, steadier & more reliable and other characteristics. DC-4GHz, 10-250W; Attenuation Range: 0-20dB, flatter attenuation value, support for carrying flange or not on, specifically depend on customer requirements to devise and produce.

Series

Frequency

Power

Dynamic Range

Connector Type

SHX

DC-4G

10-160W

0-30DB

Lead & Flange

Coaxial fixed Terminations

      Mainly for absorbing surplus power from RF or microwave system, usually served as aerial dummy load and termination of transmitter. Also served as impedance, matched with applicable facilities for utilizing, contribute to accurately test. Average Power:1W-10KW; Frequency: DC-67GHz, owned 1.85;2.4;2.92;3.5;SMA;N;4.3/10;DIN;BNC;TNC and other various connector type. 50Ω,75Ω & GZL-DTF serial isolate DC terminations,Mismatch Terminations, Adjustable Mismatch Terminations, anti-pulse & low intermodulation terminations and other series. According to different power, there are different refrigerating ways optionally, such as natural cooling, oil cooling, water cooling and others.

      Mismatch terminations can generate a fixed, reflective coefficient in the RF system, can imitate specific , reflective situation on antenna and terminal system. For performance test on transmitter , power amplifier and other components , lie in mismatching situation. TSF series fixed VSWR mismatch termination:  Average Power: 2W-10KW, Frequency Range: optional by customer demands. Narrow-band ± 5%, VSWR 1.5-5. Under the circumstance of phase and adjustable VSWR, mismatch termination can be divided by four sorts: Fixed VSWR Mismatch Termination, VSWR adjustable Mismatch Termination, Phase adjustable Mismatch Termination and Phase VSWR adjustable Mismatch Termination.

      All of terminations in SHX, endowed with following traits: widening work frequency band, lowering VSWR coefficient, enlarging power span, anti-pulse, anti-burnout etc.

Series

Frequency

Power

Connector Type

2.4TF

DC-50G

2W/5W

2.4

2.92TF

DC-40G

2-50W

2.92

3.5TF

DC-26.5G

2-100W

3.5

SMA

DC-26.5G

1-50W

SMA,QSMA

TF

DC-18G

2-2000W

N,SMA,TNC,7/16

TF(oil cooling)

DC-2G

1-10KW

N,7/16,L36,L52

TF (Water loads)

30K-800M

25-50KW

IF110,IF70,L36

PTF(Pulse)

DC-6G

100-1000W

N,7/16

4.3/10

DC-8G

2-200W

4.3/10,4.1/9.5

TNC

DC-18G

2-200W

TNC

TF(75Ω)

DC-3G

1/2/5W

N,BNC,F

BTF/DBF(Standard Termination)

DC-8G

2-150W

N,3.5,7/16

NTF(Inset Terminations)

DC-26.5G

5-500W

 

FTF(Waterproof)

DC-4G

2-100W

N,7/16

LIM-TF(Low Intermodulation)

DC-6G

2-300W

N

      Power resistor: served as balancing resistance or hybrid on the distributor, coupler 's absorbing side. Resistors in SHX, endowed with following traits: widening work frequency band, increasing power density, lowering VSWR coefficient, anti-pulse, stronger anti-burnout capabilities etc. Products classfied with CVD Resistors(high power density) and Normal Resistors.

Series

Frequency

Power

Standard Resistance/Precision

Connector Type

SHX High Power

DC-18G

10-800W

50~100Ω/±5%,±2%

Lead & Flange

CVD

DC-28G

15-300W

50,100Ω/±5%

SMT

      Phase Shifters: used to continuously transform the delay of signal and adjust phase of measure system in RF transmission system and in phase-controlled antenna array radar. Phase Shifters in SHX: Average Power: 50-100W.; Frequency: DC-18GHz; Phase Adjustment(Degree): Min:10°/GHz, Max:900°/GHz., endowed with higher phase-shifting adjustment precision, more accurate and visual reading, easy operation, small volume, low noise, better output waveform and other traits.

Series

Frequency

Power

Phase Adjustment

Connector Type

TKE

DC-8G

50W/100W

0-900°

N,SMA

BPS

DC-18G

10W/50W

0-360°

SMA

     Single Directional Couplers:  used to supervise and control transmitter's output power and output spectrum. Directional Couplers, serve as standard component, usually play an important part in reflectometers, RF Network Analyzers and other instruments. Being used for monitoring output power of transmitter, output frequency spectrum,
 testing reflective power from transmitter to antenna side, detecting matching status from system of Antenna, also to be used for power control by transmitter. They are also taken as a power meter together with detector or level indicator. Couplers in SHX feature compact small size, light, low loss of mainline transmission, excellent flatness in frequency response of coupling value, high power capacity, stable performance and high reliability etc.

      Dual Directional Couplers: Compared with Single Directional Couplers, not only could they detect output power and spectrum online, but also they could monitor reflective power. Dual directional couplers are one kind of RF four-port device and general standard device in microwave measurement, as well as crucial device of reflectometer and RF network analyzer, they are used to supervise and control transmitter's output power and spectrum, test reflected power from transmitter to antenna, monitor the matched condition of antenna feeder system. They are also taken as a power meter together with detector or level indicator. DDTO serial products: Input Power: 50-1500W; Peak Frequency: 6GHz. They feature compact small size, light, low loss of machine transmission, excellent flatness in frequency response of coupling value, high power capacity, stable performance and high reliability etc.

Series

Frequency Range

Directionality

Power

Nominal coupling dB

Connector Type

DDTO

6G以下

≥6

50W-50KW

10/20/30/40/50/60

N,SMA

      3dB Hybrids: can get the continuous sampling from transmission power along with the certain direction of transmission line and split the input signal into two equal signals with 90° difference in phase. Mainly applied to multi-signal combination, raise utility of output signal, extensively used for coupling to the base station signal among indoor covering system. Under the circumstance, better effect will be realized. 3dB Hybrids in SHX reach superior performance index and high-level reliability.

Serial

Frequency Range

Isolation

Power

(w)

Nominal Phase Shifter

(Degree)

Connector Type

SHX9(Narrow-band)

40G below

≥13

20w

90/180

SMA,2.92

SHX-ZJ(Narrow-band)

4G below

≥20

50/100/200/500

 

N,7/16,SMA

     Coaxial Switches: are extensively used in RF/microwave system, such as multiplexers, time-derived channel selection, pulse modulation, T-R switch, beam adjustment etc. Coaxial Switches could realize automatic control by voltage or computer programme. Switching over in microwave circuit. Products can be splited into SPDT, SP3T, SPnT, DPDT and others by means of quantity of input and output point. SHX-801 series Coaxial Switches operating frequency: DC-26.5GHz, endowed with low insertion loss, low VSWR and well performance of broadband. Easier index of switches, decreasing loss of switch-on, increasing loss of switch-off, satisfying demands of system by use of frequency band and power. SHX will continually keep innovating so as to satisfy customers' requirements, keeping pace with overseas market.

 

Serial

Frequency Range

Service Voltage

Type

Function Selection

Connector Type

SHX801

DC-26.5G

12/24/28V

SPDT/SPnT/DPDT/2P3T/Matrix

Latching/Termination/TTL Driving/IP/Wide Temperature

SMA

       Microwave Power Module-Power Meter:  It can measure the incident power and reflected power of the transmitter.

       SHX2000-A/B/C coming with USB interface is the pocket average CW signals power meter. It can be quickly set up and perform measurements without the use of power meter host. You only need to access the USB sensor with PC computer, with the help of software which control the sensors, the signals can be tested.

       SHX2111-A/B/C & SHX-2462A/B handy power meter are for field, main feature is light, large measuring range, easy operation. Through the USB interface power supply.

       SHX-2462 is based on digital signal new type of detector diode meter. It has auto calibration and zero function. It use LCD display to make power consume low to extend the work time. It can be used to be new and efficient solution for test the RF and microwave communication system: used for base station installation and maintenance, wireless components production test, wireless component development.

      SHX540/SHX540B VSWR/Power meter is a portable , multi-function, passing VSWR and power measuring instruments, the measurable frequency range from 140MHz to 520MHz, 1.8MHz to 525MHz continuous power from 0-220W, the modulation wave peak power. The transmitter and antenna equipment access, real-time measurement, monitoring working conditions and the transmitter antenna input power, reflected power, VSWR and other parameters.

      SHX540/SHX540B VSWR/Power meter is indispensable meter in communications and broadcasting system by virtue of it's high cost performance.

Serial

Frequency Range

Measurement Way

Input Power MAX

Connector Type

Dynamic Range

SHX2000/2111/200P(USB)

0.01-18G

CW/Impulse Wave Average Power

100mW

N,SMA

*-30~20dBM

SHX2462(with LCD)

0.01-18G

CW/Impulse Wave Average Power

100mW

N

*-30~20dBM

      Coaxial Detectors: principally are used for broadband microwave testing. Products' traits: wider detection of broadband, well frequency response, low VSWR.

 

Serial

Frequency Range

Power

Frequency Response (dB)

Max VSWR

Connector Type

SHX-803

0.01-40G

100mW

±3.5

2.2

2.92,SMA,N

     Power Dividers: can divide one signal into two or N way equal or non-equal energy, in reverse, they are also used as combiners by combining multiple signal into one. They are mainly used in feed network in antenna array, mixer and balanced amplifier, finish the work of distributing, combining and measuring power, isolating signal sources and measuring swept reflected coefficient etc.

 

Serial

Frequency Range

Average Power

Impedance

Dividing Way

Connector Type

SHX-GF

DC-18G

1/2/5/10/50W

50Ω/75Ω

1分2/3/4/5

N,SMA,BNC

SHX

0.03-6G

50/80/200W

50Ω

1分2/4/8

N,SMA

SHXHV(4kv,400ns)

DC-9G

10/20W

50Ω

1分2,1分8

N

SHX202(203/204/206/208/216)

0.3-45G

15/20W

50Ω

1分2/3/4/6/8/16

2.92,SMA

SHX-0.8/3

0.8-3G

20W

50Ω

1分2/3/4/6/8/16

SMA,N

 

 

 

 

 

 

 

 

 

 

 

Circulators: control energy transfer follow one certain loop. Circulators are irreversible component equipped with couples of ports.

Isolators: make energy from input to output.

Serial

Frequency Range

Broadband

Isolation

Power

Connector Type

SHX-TH

0.3-18G

30-6000M

≥14dB

10-150W

SMA,N

SHX-TG

0.3-15G

30-5000M

≥18dB

30-100W

SMA,N

SHX also supplies suite of service about Microwave Test Accessories & Microwave Test Subsystem.

Test Accessories: DC-Blocks, Limiters, 50Ω/75Ω Impedance Converters, RF Connectors, Free- Through Termination and Test Cables.

       Microwave Test Subsystem: not only inspect signal continuity between cellphone switch over signal zone, but also mainly act on simulating signal attenuation situation received from base station, extensively apply to wireless communication system test, frequency ranges for GSM,WCDMA,LTE,WLAN, could reach to 18GHz. Products' category classified with Four Way/ Eight Way/ Multi-way Switch Matrix Aging Test Equipment, N Input N Output Programmable Test System, Attenuator Matrix Programmable Test System, Switch Matrix, Phase Matrix & Calibration Kit, Shield Box and Intelligent Control Phase & Return Adjustable Loss System.