BLOG & NEWS

2025/07/25

Optical spectrum analyzer: Insight into the world of light, driving innovation in multiple fields

TFN AM7800 optical spectrum analyzer has become the "eyes" of optoelectronics industry and cutting-edge scientific research due to its wide band, high precision, large dynamic range and intelligent analysis capabilities.

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2025/07/24

Spectrum Analyzer vs. Optical Spectrum Analyzer: Core Difference Analysis

Spectrum analyzers and optical spectrum analyzers are both indispensable precision measurement tools, but their measurement objects, working principles, and application scenarios are completely different.

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2025/07/23

How does the optical cable identifier improve the efficiency of optical fiber testing?

The TFN GP200 optical cable identifier solves the efficiency pain points of traditional optical fiber testing through photoelastic effect technology and multi-functional integrated design.

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2025/07/22

The difference between the event dead zone and attenuation dead zone of optical time domain reflectometer and its impact on testing

TFN RM7 series OTDR, with its industry-leading ultra-small event dead zone and excellent attenuation dead zone, combined with rich narrow pulse options and powerful hardware performance, effectively solves the bottleneck of traditional OTDR in dead zone.

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2025/07/21

Essential choice: TFN RMT series spectrum analyzer--powerful signal analysis function

TFN's RMT series handheld spectrum analyzers redefine the industry standard with its professional-grade multi-functional testing capabilities and breakthrough high cost performance.

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2025/07/18

What is phase noise? How to accurately test it on the TFN RMT spectrum analyzer?

TFN RMT series spectrum analyzers provide engineers with powerful field and laboratory testing capabilities with their wide frequency coverage, high sensitivity, low phase noise floor, and convenient dedicated measurement functions.

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2025/07/17

Omnidirectional and directional antennas: the precise eye in spectrum analysis tests

Omnidirectional antennas and directional antennas, these two types of antennas with very different characteristics, each have their own strengths in spectrum analysis and play an irreplaceable role.

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2025/07/16

The principle of real-time spectrum analysis: capturing the ever-changing world of signals

In the fields of wireless communications, audio engineering, radar monitoring, etc., real-time spectrum analysis (RTSA) has become an indispensable tool for insight into dynamic signals.

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2025/07/15

Why is the test effect best when the standing wave ratio (VSWR) is equal to 1?

VSWR equal to 1 is a physical sign of perfect impedance matching, zero energy reflection, and complete energy transmission, representing that the RF energy has reached the purest and most efficient flow state on the transmission path.

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