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Optical module test, have you selected the right power supply?

With the rapid development of the mobile communication industry, 5G has now become a super hot topic of global attention, compared with 2G, 3G and 4G, the future fiber optic communication industry 5G status should not be underestimated, in the era of 5G network, no matter what kind of 5G bearing solution is inseparable from the 5G communication optical module. Diversified standards of 5G communication optical module is now considered the core technology of the next generation of high-speed rate and high-capacity optical network.

Optical module is an optical device composed of optical device, functional circuit and optical interface, etc. Its main role is to realize photoelectric conversion in optical communication system, converting electrical signal into optical signal at the transmitting end, and then transmitting it to the receiving end through optical fiber, and then converting optical signal into electrical signal at the receiving end. 5G communication optical module has the advantages of small size, high rate and low power consumption, which can be used in data center, transmission network, mobile broadband and other communication fields.

Industry Background

According to Light Counting, a third-party market research firm in the optical communications industry, overall global optical module sales as a whole exceed $8 billion in 2020, up 23% year-over-year, as global data traffic continues to grow. The global optical module market is expected to grow to about $11.3 billion in 2025 and reach $14.5 billion in 2026, with a compound annual growth rate (CAGR) of about 10% from 2021-2026.

Benefit from the construction of data centers, 5G network in-depth layout, the domestic optical module companies to further enhance the global market share. With the expansion of downstream operator demand for optical modules and the gradual concentration of the industry chain in China, China's optical module market is bound to grow further, and the market size of China's optical module is expected to exceed 3 billion yuan in 2022, with the growth rate expected to catch up with the global.

As the optical module industry continues to grow, the industries associated with it are bound to make adaptive changes. In the field of low-power test instruments, more challenges will also come. Regarding the testing of optical modules, whether it is the testing of interoperability and compatibility of optical modules, or other tests such as performance parameters, all have stringent requirements for test power supplies.


A customer plans to select a low power DC power supply to test the electrical performance of optical modules. The power supply is required to have a dynamic response time of less than 20us, a voltage rise and fall time of less than 5ms, and current accuracy at the mA level.

The current low power products in the market can hardly meet the requirements of the optical module for speed and accuracy at the same time. In this regard, ITECH's IT6341C dual-channel high-precision DC power supply solves this problem well.

ITECH Test Solutions

On the one hand, IT6341C dual-channel high-precision DC power supply can simultaneously meet the user's low-power test, low-voltage high-current and high-voltage low-current dual requirements.

On the other hand, the IT6341C meets the market demand for low-power, high-performance power supplies. It has ultra-high accuracy, ultra-fast voltage climb and fall, ultra-high dynamic response time and ultra-low ripple to meet the stringent test specifications of low-power test users.

On the one hand, IT6341C dual-channel high-precision DC power supply can meet the dual needs of low-voltage high-current and high-voltage low-current in the low-power test of users at the same time.

On the other hand, IT6341C meets the market demand for low-power high-performance power supply. It has ultra-high precision, ultra-fast voltage rise and fall speed, ultra-high dynamic response time and ultra-low ripple, which can meet the stringent test indicators of low-power test users

In addition, IT6341C dual-channel high-precision DC power supply is with high resolution, high accuracy, and high stability with overvoltage and overtemperature protection. Series and parallel operation modes are also available to enhance the voltage or current output capability. With a resolution of up to 1mV/1mA, it can meet the needs of various applications. It can be widely used in optical communication module testing, semiconductor testing, chip and IC testing, industrial ATE testing, school laboratories, production testing on production lines, maintenance testing and other fields. It is an excellent choice for R&D departments, manufacturers and teaching and research units.

For more information, please visit the ITECH website at

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