DK-0021A Programmable Adjustable Attenuator

NegotiableUpdate on 12/13

Model

Nature of the Manufacturer: Producers

Product Category

Place of Origin

Online Consult

Overview

DK-0021A programmable attenuator supports all major wireless communication frequency bands, including CDMA/EVDO/GSM/UMTS/HSP/LTE/Wi Fi/5G and other communication technologies. $r $n has a built-in rechargeable lithium battery, which can be portable to the outside for power-off operation.

Product Details

DK-0021A Programmable Adjustable Attenuator

The programmable attenuator can remotely control the microwave power level, including the input power of the control signal measurement system, the output power of the signal generation system, etc. It is mainly used in various communication or microwave automatic testing systems (ATE); Supports all major wireless communication frequency bands, including communication technologies such as CDMA/EVDO/GSM/UMTS/HSP/LTE/Wi Fi/5G.

Equipped with a built-in rechargeable lithium battery, it can be portable for outdoor use without power supply.

The system operates based on Windows operating system applications and can be remotely controlled through knob local operation or USB.

mechanical properties
Connector housing	Brass plated with gold or nickel
Yin internal conductor	Beryllium bronze gold plating
cavity	Aluminum shell, sandblasted conductive oxygen polarization
temperature range	-20° C ~ +70° C

RoHS: Compliant

Electrical performance:

frequency range	0.1-8GHz
Nominal impedance	50Ω
adjustment range	0-95dB
Attenuation step level	0.25dB
Maximum standing wave ratio	<1.8 type <2.2max
insertion loss	<19dB
Attenuation accuracy	±(0.3+4%Att) dB@0.1-6GHz ±(0.3+6%Att) dB@6-8GHz (<80dB)
input power	5W
switching speed	2us
Control method	Local: Knob Remote: USB
charging port	Type-C
input voltage	DC4.2-5V
battery capacity	3000mAh
Connector form	Taste

Nominal impedance: 50 Ω

Switching speed: 2us

U control interface

This product provides upper computer control software, which can quickly and easily remotely operate and control the attenuator through USB connection, and provides multiple control modes.

DK-0021A程控可调衰减器

DK-0021A Programmable Adjustable AttenuatorU Communication Protocol

1. Basic Configuration Environment Description

The USB port enables control switch switching and related setting query functions.

The delimiter in all commands is half width input in English, and all commands areending.

=Enter the car=Line break

USB communication hardware connection	Type-C port
Baud rate	9600
data bit	8bit
check digit	none
stop bit	1

2. IDN query command

Command Name	IDN query command
Functional Description	Obtain device IDN
Command format	*IDN?
parameter description	none
Command direction	PC ->Equipment
successful response	.................
Failed response	Fail
sample	Send * IDN? receive. ..............

3. Set attenuator command

Command Name	Attenuator setting command
Command format	SA n m
parameter description	N attenuator number m: attenuation amount to be set
Command direction	PC ->Equipment
successful response	>>A1:2;
Failed response	>>A1:err;
sample	SA 1 2 >>A1:2;

4. Query attenuator command

Command Name	Attenuator attenuation amount query
Command format	RA n
parameter description	n: Attenuator that needs to query attenuation amount
Command direction	PC ->Equipment
successful response	>>A1:2;
Failed response	>>A:err;
sample	SA 1 >>A1:2;

5. Network settings command

Command Name	IP setting command
Functional Description	Modify the IP address of the system
Command format	SetNETWORK<Parameter 1>-<Parameter 2>-<Parameter 3>-<Parameter 4>
parameter description	Parameter 1: IP address Parameter 2: Default Gateway Parameter 3: Subnet Mask Parameter 4: Port Number
Command direction	PC-->Switch
successful response	SetNETWORK Success
Failed response	SetNETWORK File
sample	send Setnetwork 192.168. 1.200 – 192.168. 1.1 – 255.255. 0.0 – 4001 Receive SetNETWORK Success

6. Network parameter query command

Command Name	Network parameter query command
Functional Description	Query the network parameters of the system
Command format	LstNETWORK
parameter description	none
Command direction	PC-->Switch
successful response	Network parameter list
Failed response	None
sample	Send LstNETWORK receive IP:192.168.1.200-NETGATE:192.168.1.1-NETMASK:255.255.0.0-PORT:4001

U Attachment

1 set of TYPE-C data cable

2. One CD (including driver program and control software)

3. Instructions for use 1 book

DK-0021A程控可调衰减器

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