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The second thing about vector calibration: unveil the mystery of the unknown through calibration

2020-05-08

In the previous article "What About Vector Calibration (1)-The Past and Present of Unknown Passthrough", we already know that many network sub users have some misunderstandings in calibration. Here is an introduction to network sub calibration. One place where the error occurs more-the unknown through (SOLR) calibration should be used but the SOLT calibration is wrongly used, and what is the difference between the unknown through (SOLR) and SOLT?

One of the small knowledge of net sub-test: the thing about vector net calibration-the past and present life of unknown through

2020-03-20

Some terms in this article: ED(e00): Directional error ES(e11): Source matching error ER(e10e01): Reflection tracking error

Bluetooth BT test knowledge one: the configuration instructions of the Bluetooth channel number

2020-06-10

According to the Bluetooth protocol version specifications of different DUTs, from BasicRate (BR) of BT 1.0 to Enhanced Data Rate (EDR) of BT 2.0 to Low Energy (LE) that began to appear in BT 4.0. The Bluetooth Special Interest Group (SIG) maintains the core Bluetooth specifications and has been looking for expansion and balance on power consumption, speed, and the latest Internet of Things functions.

Wi-Fi Test Knowledge Twenty: Basic Knowledge of 802.11b (2)

2019-01-10

Wi-Fi Test Tips 21: Introduction to 802.11n Test Items

2019-01-10

Wi-Fi Test Tips 22: Monitor (Slave) Mode

2019-01-10

WiFi Test Tips 15: Introduction to Composite MIMO Connection

2019-01-10

Composite MIMO is one of the three current mainstream WLAN MIMO test solutions.

Wi-Fi Test Tips 16: Introduction to Switched MIMO Connection

2019-01-10

Switched MIMO is currently one of the three mainstream WLAN test solutions. Compared with the other two MIMO test methods, Switched MIMO requires the DUT to continuously transmit the same signal during the test.

Wi-Fi Test Tips Eighteen: Introduction to CCDF

2019-01-10

CCDF is the abbreviation of Complementary Cumulative Distribution Function. It is defined as the probability that the peak-to-average value exceeds a certain threshold in a multi-carrier transmission system. It also refers to a statistical method characterized by the peak power value of the digital modulation signal.

Wi-Fi Test Tips Nineteen: Basic Knowledge of 802.11b (1)

2019-01-10

In the early years, the development of wireless local area network was slow, and it was difficult to promote and apply it, mainly due to the low transmission rate, high cost, limited product series, and incompatible products of many products.

WiFi Test Tips 14: Introduction to True MIMO Connection

2019-01-10

True MIMO is one of the current mainstream WLAN three MIMO test schemes. True MOMO supports both TX and RX tests of DUT, and can complete all index tests of TX and RX.

Wi-Fi test knowledge eleven: 802.11 rate table

2019-01-10

Introduction of VNA485 Vector Network Analyzer

2020-09-16

Introduction of VNA485 Vector Network Analyzer

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