Category: RF/IF and RFID

1 2 3 4 5 15 30 / 144 POSTS

What are biometrics technologies?

* Question What are biometrics technologies? * Answer 1.Speech recognition 2.Fingerprint recognition 3.Face recognition [...]

What is a reader?

* Question What is a reader? * Answer Readers, also known as readers (depending on whether the data in the electronic tag can be rewritten), [...]

What are the impedance matching techniques for electronic tag antennas?

* Question What are the impedance matching techniques for electronic tag antennas? * Answer 1.Horizontal bar loading 2.Inductive coupling [...]

What is the sequence of operations in which the PCD and PICC start a conversation?

* Question What is the sequence of operations in which the PCD and PICC start a conversation? * Answer (1) The RF (Radio Frequency) field of [...]

What are the common antennas for RFID systems?

* Question What are the common antennas for RFID systems? * Answer 1 Symmetrical vibrator antenna 2 leads to antenna 3 microstrip antenn [...]

What is the test principle of COS functional test?

* Question What is the test principle of COS functional test? * Answer When the input parameters are valid, the execution conditions are met [...]

How to address the internal registers of the MF RC500?

* Question How to address the internal registers of the MF RC500? * Answer It can be addressed via a dedicated address bus.In this mode, the [...]

What is the test principle of the performance/indicator test?

* Question What is the test principle of the performance/indicator test? * Answer Through timing, there is a judgement on the speed at which [...]

How to measure the sensitivity of the label at different angles?

* Question How to measure the sensitivity of the label at different angles? * Answer The first step is to first set the reader's transmit po [...]

What are the main components of the RF interface?

* Question What are the main components of the RF interface? * Answer 1) receiving part 2) transmitting part 3) common circuit part [...]
1 2 3 4 5 15 30 / 144 POSTS