Japan Koshuha Co., Ltd.'s Company Profile and Products

It is a pass-through type high-frequency power monitor that can be inserted between coaxial transmission lines to detect travel...

• Measuring Equipment

• Power Monitors

This is a terminal-type high-frequency power monitor that uses thermocouple detection. It is possible to measure effective powe...

• Measuring Equipment

• Power Monitors

At Nippon Koshuha, we manufacture a variety of dummy loads ranging from small power outputs of 1W or less to water-cooled high ...

• Resistance / Load

• Dummy Loads

This termination has particularly good VSWR characteristics up to 1GHz, making it suitable for embedded use.

• Resistance / Load

• Dummy Loads

This dummy load has a low VSWR so that it can be used as a standard termination when measuring impedance for small power applic...

• Resistance / Load

• Dummy Loads

Common standard impedance: 50Ω Please specify the input plug size as we will correspond to your specified size. The forced air...

• Resistance / Load

• Dummy Loads

This dummy load is water-cooled, making it significantly smaller than an air-cooled dummy with the same capacity. ■Others ・If...

• Resistance / Load

• Dummy Loads

This is a circulation system type forced air cooling dummy load for high power use, which is a cooling unit that uses water and...

• Resistance / Load

• Dummy Loads

■Various switching modes ・Antenna switching mode ・Broadcaster switching mode and synthesis mode ・Switching by remote control...

This switch is for coaxial transmission circuits that can be used in a wide range of frequencies up to UHF band digital broadca...

• Meters & Instruments

• Power Meters

This coaxial switching board is an output coaxial device designed for terrestrial digital TV satellite broadcasters and gap fil...

• Meters & Instruments

• Power Meters

■Features Designed for digital broadcasting ・Panel mount type manual coaxial switch with easy switching operation. ・A key is ...

This device is a high power coaxial switch for switching the output of a shortwave transmitter to an antenna or dummy load. It ...

■Matrix switching device This device is a shortwave band coaxial matrix switching device. This is a device that allows multiple...

■Simple 700 type coaxial directional coupler ・This device is a small and simple directional coupler that can be easily used fo...

• Tools

• Adapters

■Coaxial directional coupler (1500 type) SMA type coaxial directional coupler ・SMA type that is small and can be used up to hi...

• Tools

• Adapters

This DKH type is a directional coupler with a coupling degree of 3 dB, and can be used in a wide range of applications such as ...

• Tools

• Adapters

This device is designed as a coaxial directional coupler for the TV-UHF band. A flat coupling degree can be obtained in the fre...

• Tools

• Adapters

■Coaxial directional coupler (6000 type) DK-N-6000 type coaxial directional coupler This type of directional coupler uses a fre...

• Tools

• Adapters

A resistor installed in the coaxial pipe absorbs a portion of the passing power, giving a certain amount of attenuation to the ...

• Controllers

• Attenuators

• Controllers

• Attenuators

This method continuously changes the amount of attenuation by inserting a radio wave absorber between the inner and outer condu...

• Controllers

• Attenuators

■Features ・This coaxial bandpass filter is optimally designed for terrestrial digital broadcasting systems. - Has low loss and...

• Filters

• RF Filters

• Tools

• Adapters

■N type SMA type circulator This device is a three-terminal circulator, and is widely used to separate input and output signals...

• Tools

• Adapters

Precision variable phase shifter with variable coaxial line length. It is designed to minimize the change in impedance when cha...

A stub matching device is a tuner that matches the impedance of a load on a coaxial line. There are two types of tuners: 2-stu...

• Tools

• Adapters

A crystal diode mounted in a coaxial circuit, widely used for microwave detection and relative power measurements. Types other ...

• Tools

• Adapters

The inner and outer conductors of the coaxial line are insulated by capacitive coupling. Use when noise-cutting insulation is r...

• Tools

• Adapters

A connecting coaxial tube for connecting two coaxial tubes of different size standards with the same impedance, and is designed...

• Tools

• Adapters

It is a coaxial elbow. It has good VSWR characteristics.

This device is a transmission line for transmitting high frequency power from communication/broadcasting transmitters to antenn...

Coaxial tube connection fittings are used to connect coaxial tubes with the same dimensions and characteristic impedance. There...

The following connection cables are available when using a microwave measuring instrument. Select the coaxial cable that you no...

• Cables

• Ultra High Frequency Cables

ALM-2100D is an antenna monitoring device compatible with terrestrial digital TV broadcasting. It constantly monitors the VSWR,...

SAMJ-200 antenna checker is an antenna inspection device used at relay broadcasting stations. You can measure the VSWR and DCR ...

SAM-220D is an antenna monitoring device compatible with terrestrial digital television broadcasting. Traveling wave/reflected...

This is an antenna monitoring device with functions compatible with FM broadcasting. Traveling wave/reflected wave detection s...

This is an antenna monitoring device that monitors the VSWR and DCR (direct current resistance) of the transmitter feeder line ...

This device is a terminator designed to absorb high frequency power without causing reflected waves when used at the end of a t...

• Resistance / Load

• Dummy Loads

• Resistance / Load

• Dummy Loads

• Resistance / Load

• Dummy Loads

■Waveguide type water load This device uses water as a microwave power absorber and has a structure that releases the generated...

This instrument is used to precisely measure the effects of discontinuities in waveguide circuits and the directionality of dir...

• Resistance / Load

• Dummy Loads

This waveguide switching device is used to switch a rectangular waveguide system into two systems, and since it is all 4-way op...

■Features ・Developed the world's first vacuum waveguide switching device ・Can be switched while in vacuum state ・Extremely l...

■Coupling degree/directivity/insertion loss The characteristics of a waveguide type directional coupler include coupling degree...

■Waveguide hybrid coupler This device is a 4-opening type circuit element, and the microwave entering from the A terminal is di...

■Coaxial dual output waveguide type directional coupler This device can guide part of the traveling wave and reflected wave flo...

Fixed attenuators are mainly used for buffering between the oscillator and the load, as well as for level adjustment and attenu...

• Controllers

• Attenuators

This device moves the resistor installed inside the waveguide, causing the resistor to absorb a portion of the passing power, t...

• Controllers

• Attenuators

• Controllers

• Attenuators

■Low pass filter Four types of filters are standardized for use in waveguide circuits: low-pass type, high-power absorption typ...

This device has a ferrite attached to the center of an aperture waveguide, and a DC magnetic field of appropriate strength is a...

This device is a branch type circulator designed especially for high power. By making the branch part a multilayer structure, w...

This device utilizes the magnetic properties of ferrite, and allows the microwave circuit to transmit traveling waves with low ...

• Separation and Extraction Equipment

• Isolators

This device is a high power circulator consisting of a 3dB coupler, Magic T and ferrite phase shifter, and is used for plasma h...

In microwave transmission circuits, rectangular waveguides and coaxial lines are often used together depending on the purpose o...

■Waveguide bend This device is used to bend a rectangular waveguide 90 degrees to change the direction of the waveguide circuit...

■Tapered pipe This device was created to transmit microwave power with low reflection between two types of waveguides with diff...

This device is widely used as a hybrid circuit in microwave impedance bridges, receiver balanced mixers, and frequency discrimi...

This device has an E branch and an H branch at one point of a rectangular waveguide, each with a movable short circuit built in...

■3 stub tuner When a round metal stub is inserted parallel to the electric field in a rectangular waveguide, it acts as a capac...

■Hybrid tuner This device is a two-opening circuit element that is connected in the middle of a waveguide circuit and is design...

■Electromagnetic horn This instrument was designed and manufactured to efficiently transmit and receive electromagnetic waves b...

There are two types of waveguide phase shifters: vane type and flap type. This device allows you to arbitrarily adjust the equi...

This equipment is a microwave power supply essential for semiconductor manufacturing such as microwave plasma CVD and microwave...

• Power Supplies

• High Frequency Power Supplies

Pulse-modulated microwave plasma is showing promise for microfabrication of semiconductor wafers. In response to this demand, w...

• Power Supplies

• Pulse Power Supplies

In the microwave transmission path for 2,450MHz microwave plasma discharge, etc., the load impedance fluctuates due to load flu...

• Power Supplies

• High Frequency Power Supplies

This is a waveguide automatic matching device for 2,450MHz microwave. Automatically matches the impedance of the transmission l...

• Power Supplies

• High Frequency Power Supplies

This system is a 2,450MHz band high-output microwave power supply that enables magnetron oscillation with extremely high stabil...

• Power Supplies

• High Frequency Power Supplies

This device is a monitor device that is inserted between the oscillator and load of a microwave transmission line and monitors ...

• Analyzers

• Impedance Analyzers

This is a monitoring device to prevent interference caused by microwave electromagnetic fields, and is used to monitor radio wa...

• Measuring Equipment

• EMF Meters

A hazard monitor is a device that detects electromagnetic waves leaking from various microwave devices and prevents harm to the...

• Measuring Equipment

• EMF Meters

This device generates chemically active plasma in a reaction tube by receiving 2,450MHz microwaves.

• Machining / Machine Tools

• Plasma Cleaning Systems

Microwave power supply using PLL oscillator and transistor amplification method. ■Features - Excellent stability in oscillatio...

• Power Supplies

• Pulse Power Supplies

This device is a 915MHz microwave power source that uses an electromagnetic magnetron. There are types with a maximum output of...

• Power Supplies

• High Frequency Power Supplies

This device is a monitor device that is inserted between the oscillator and load of a microwave transmission line and monitors ...

• Analyzers

• Impedance Analyzers

This is an all solid state high frequency power supply for plasma generation for semiconductor manufacturing equipment and liqu...

• Power Supplies

• High Frequency Power Supplies

■For large loads (Frequency: approx. 400kHz) This device is a vacuum tube type induction heating power supply. Outputs range fr...

• Power Supplies

• High Frequency Power Supplies

Various gases can be brought into a plasma state by induction heating with high frequency. This plasma is called high-temperatu...

• Machining / Machine Tools

• Plasma Cleaning Systems

This is an all solid state high frequency power supply for plasma generation for semiconductor manufacturing equipment and liqu...

• Power Supplies

• High Frequency Power Supplies

This equipment performs surface treatment of various materials using high-frequency discharge plasma of gas inside a reduced pr...

• Machining / Machine Tools

• Plasma Processing Equipment

This is an all solid state high frequency power supply for plasma generation for semiconductor manufacturing equipment and liqu...

• Power Supplies

• High Frequency Power Supplies

This is an all solid state high frequency power supply. The oscillator uses a crystal oscillation method, and is designed to be...

• Power Supplies

• High Frequency Power Supplies

• Power Supplies

• High Frequency Power Supplies

This is an all solid state high frequency power supply. The oscillator uses a crystal oscillation method, and is designed to be...

• Power Supplies

• High Frequency Power Supplies

This device consists of a high frequency wave and a torch box to generate microplasma. High-frequency power supplies stabilize ...

• Machining / Machine Tools

• Plasma Cleaning Systems

This device is an all-solid-state microwave power supply that can ensure highly stable output even at 2,450MHz. The output can ...

• Power Supplies

• High Frequency Power Supplies

Nippon Koshuwa has advanced technological capabilities in the field of high-power, high-vacuum microwaves, and develops and man...

• Optical Components

• Waveguides

A radio wave absorber is placed inside the waveguide for indirect cooling. It has a structure that prevents water from entering...

• Resistance / Load

• Dummy Loads

■Features ・Developed the world's first vacuum waveguide switching device ・Can be switched while in vacuum state ・Extremely l...

■Features ・Designed with operability in mind ・Remote control via PC possible ・Connect driver unit and PC with fiber cable ・...

• Optical Components

• Waveguides

Nippon Koshuwa has outstanding technological capabilities for ultra-high vacuum waveguides for use in accelerators and high pow...

• Optical Components

• Waveguides

High vacuum coaxial feedthrough with impedance of 50Ω. Feedthrough is a type of vacuum window, and is used as a high vacuum coa...

• Optical Components

• Waveguides

■Features ・Structure that can withstand large amounts of reflected power with low insertion loss and high isolation. - Y-shape...

• Resistance / Load

• Dummy Loads

• Amplifiers

• Voltage Amplifiers

We manufacture solid-state high-frequency amplifiers for high-power klystrons, IOT front stages, and acceleration cavities. We ...

• Amplifiers

• Voltage Amplifiers

By adding a high-precision charging unit with charging energy of 5kJ/s to the basic type PCPS-30 (main charging power supply), ...

• Power Supplies

• High Voltage Power Supply Units

■Pulse modulator for klystron For charging PFN capacitor Three types of high-speed inverter type power supplies are available. ...

• Power Supplies

• High Voltage Power Supply Units

This power supply uses a high-speed inverter system to generate high voltage using a high-frequency transformer and diode bridg...

• Power Supplies

• High Voltage Power Supply Units

■Features ・High resolution within 0.2° ・Responsive to high-speed pulses Output rise time 80ns ・Wide dynamic range -30dBm to ...

• Analyzers

• Spectrum Analyzers

■Features ・Wide dynamic range -30dB to -5dBm - Excellent linearity of output characteristics. ・Linearity error within ±0.1dB/...

• Amplifiers

• Logarithmic Amplifiers

This system controls the high frequency phase and amplitude from the high frequency source to the input of the high power klyst...

• Analyzers

• Spectrum Analyzers

■Features ・RF level and phase adjustment ・RF pulse modulation ・Output phase inversion for pulse compression using SLED ・Mon...

• Analyzers

• Spectrum Analyzers

A high-output (up to 5kW) microwave power supply and automatic matching device (4E tuner) generate stable high-density plasma, ...

• Machining / Machine Tools

• Plasma Processing Equipment

A laser power sensor is an element that converts laser light into thermoelectromotive force and measures laser output. The ligh...

• Sensors

• Laser Sensors