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6GHz RF Digital Attenuator Module 30DB Step 0.25DB OLED Display CNC Aluminum Alloy Shell RF Module
Description:
The digital attenuator can adjust the signal level of the circuit in 0.25dB steps without interrupting the circuit. It can also be used as a built-in attenuator for instruments and equipment to adjust the power level in the test system. It features small size, high precision, stability and reliability. Using OLED to display the attenuation amount, the attenuation amount can be controlled by the host computer.
Download PC Control Software:
https://pan.baidu.com/s/143ztQVdJxmIi1dIiIb6fwA
Password: gzlk
Technical Parameters:
1. Operating frequency: LF-6GHz
2. Attenuation adjustment range: 0-31.75dB
3. Attenuation step: 0.25 (dB)
4. Insertion loss: ≤1.5dB (the high-frequency end insertion loss will be larger)
5. Standing wave ratio: ≤1.4
6. Attenuation accuracy: ±0.25dB Max
7. Rated power: ≤1W
8. Connector form: SMA (female connector)
9. Temperature range: -10℃ to +50℃ (operation); -40℃ to +70℃ (not running)
10. Dimensions: 55x40x16.5mm (Excluding the size of the protruding part of SMA interface. The protruding part of the SMA is 9mm)
11. Weight: 57g
12. Input and output impedance: 50 ohms
Package Included:
- 1 x Set of Digital Attenuator
Serial Communication Protocol Analysis:
The overall structure
of the CNC attenuator ATT-6000 protocol adopts the command line mode,
the communication baud rate is 115200bps, your PC sends out the command,
the local machine parses and executes, and then returns the result to
the PC. The command is limited to lowercase letters a~z, and the number 0
~9, the end symbol of each command is a newline character (hexadecimal
representation is "0x0a" or'/n')
Communication commands include three types of commands: w command
wv0 command: set the output attenuation
The
format is: wv0xxxx + 0x0a, a total of 8 bytes; where "xxxx" is the
attenuation value represented by 4 digits, for example: wv01150\n:
indicates that the write attenuation is: 11.5DB (the maximum attenuation
is: 0-3175 , The step is 25). Converted into hexadecimal: that is 0X77
0X76 0X30 0X31 0X31 0X35 0X30 0X0a
Versions after 2019 have a return value: "ok\r\n" The text format value returned after receiving the correct data
