Products

Our AC power supply / power amplifiers products include, but not limited to, wideband AC power amplifiers, AC constant current sources or amplifiers, AC constant voltage sources or amplifiers, linear frequency converters, low frequency and high frequency transformers, plasma power supply systems, high power piezo drivers, complete test systems, and more. Standard products are always available, and all of our products are customizable upon request. Additional purchase options are available to expand functionality and enhance user convenience.

Our AC power supply / power amplifiers products’ frequency range covers from 5 Hz to 600K Hz. Individually, our product's power rating ranges from 20 watts to 1500 watts. Multiple units can be combined for higher power ratings or multiple-phase configurations. For economical and compact purposes, multiple channels of constant current mode amplifiers (sources) and constant voltage mode amplifiers (sources) can be combined in one enclosure if requested.

Our AC power supply / power amplifiers products are ideal for applications such as testing gyroscopes, Helmholtz coils, piezo elements, circuit breakers, protective relays,arresters (arrestors), lamps, watt-meters, transformers, inductors, capacitors, ferrite cores, cables & wires, etc. They are PD-free, and ideal for not only resistive loads, but also highly inductive and capacitive loads.

Our smart DC power supply and electronic load products include dual or multi-channel programmable battery simulators and battery charger simulators. They are widely used for battery simulation and battery performance testing in various applications such as battery-powered tools and devices, fast charging power sources, etc. They can act as stand-alone programmable DC power supplies and/or electronic loads for test stations, experiment laboratories, and research organizations. The BS-02F and BS-08F series are designed to have fixed channels, whereas the BS-08M and BS-18M series are designed to have various different specification boards. All series features a maximum current resolution feedback of 100 nA and support fast charging testing with ultra-fast dynamic response (response time ≤ 500μs).

Our smart DC power supply and electronic load products are ideal for, but not limited to, battery simulation and battery charger simulation applications, which are widely used by manufacturers of rechargeable batteries. Rechargeable batteries are used in wide range of consumer goods, such as electric cars, electric motorcycles, electric bicycles, electric scooters, smartphones, laptops, tablets, headphones, earbuds, cameras, electric shavers, electric toothbrushes, etc.

Battery and Charger Simulator

Our battery simulator and battery charger simulator consists of dual or multi-channel battery simulations and battery charger simulations. They are widely used in performance testing applications such as battery-powered tools and devices, fast charging power sources, etc.
Battery and Charger Simulator

Smart DC Power Supply & Electronic Load

Our smart DC power supplies and electronic loads features dual and multi-channel battery simulators and battery charger simulators, ideal for battery simulation and battery performance testing in applications such as battery-powered tools and devices, fast charging power sources, etc.
Smart DC Power Supply & Electronic Load
Wideband Power Amplifiers

Wideband Power Amplifiers

The "HF-A" series wideband AC power amplifiers are with frequency response from 5 Hz to 600K Hz. The output voltage is 0 - 28 V rms. Custom output transformer(s) can be provided to achieve other output voltage (or current) ranges. 

AC Constant Current Sources

AC Constant Current Sources

Constant current sources provide steady output current independent of the load and input power line with variations.

AC Constant Current Power Amplifiers

AC Constant Current Power Amplifiers

Constant current power amplifiers take an input AC signal and provide steady output current independent of the load and input power line with variations.

AC Constant Voltage Sources / Amplifiers

AC Constant Voltage Sources / Amplifiers

Constant voltage sources and amplifiers provide a steady output voltage independent from the load and input power line with variations.

DC-coupled Wideband Constant Current Power Amplifier

DC-coupled Wideband Constant Current Power Amplifier


The DC-Coupled
 wideband constant current amplifiers have frequency response from DC to 10K Hz. The maximum output current is 0 - 5 A rms. Other output current ranges can be specified. 
DC-coupled Wideband High Voltage Constant Voltage Power Amplifier

DC-coupled Wideband High Voltage Constant Voltage Power Amplifier


The DC-Coupled
 wideband constant voltage amplifiers provide a steady output voltage independent of variations of the loads and input power line. They have frequency response from DC to 10K Hz. 
Multi-Phase Programmable Power Sources

Multi-Phase Programmable Power Sources

Multi-phase programmable power sources are phase angle adjustable constant current mode or constant voltage mode power sources.

Linear Frequency Converters

Linear Frequency Converters

The linear circuitry frequency converters are fixed frequency AC power sources. They are extremly useful for powering up capacitive and inductive loads which cannot stand the switching noises.

3-phase and 6-phase Oscillators

3-phase and 6-phase Oscillators


The 3-phase and 6-phase digital oscillators are industrial grade function generators. 
Typical application of these phase angle adjustable 6-phase oscillators are in industrial testing and military manufacturing fields.
High Frequency Output Transformers

High Frequency Output Transformers

Custom high frequency transformers in the frequency range of 30 Hz to 800K Hz are avaialbe upon request. 

High Power Piezo Drivers (Amplifiers)

High Power Piezo Drivers (Amplifiers)

High power piezo drivers are wideband AC power amplifiers with frequencies ranging from kilo Hertz to tens of hundreds of kilo Hertz. They are usually with adjustable DC bias function.

Plasma Power Supply Systems

Plasma Power Supply Systems

Plasma power supplies are high frequency high voltage systems for scientific research applications.  

Digital Panel Meters

Digital Panel Meters


The ALC digital panel-mount voltage and current meters are designed with high engineering flexibility. The key features of these digital volt and amp meters are their compatibility for different output ranges and their ability for high frequency voltage and current measurements. 
Test Systems

Test Systems

We produce Rate Check, Time Check, Ramp Check, Ultimate Trip, and Voltage Trip test systems using our programmable constant current sources as the core component.