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Attenuator

In Stock 1
0.1~18GHz, Attenuation range0~63dB, step0.25dB, 0.3W, SMA, 替代RCDAT-18G-63
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Delivery Time : 1-3 Day(WorkDay)
Terms: Ex Work from Chengdu warehouse, minimum order amount US$200. The product is produced by COM-MW Technology Co.,Ltd and sold by Sichuan Dianzibuy Technology Co.,Ltd

MOQ : 1
Attention: The online trading belongs to commercial activities, the final transaction price might be lower than tag price, subject to automatically system calculating; The price is competitive, product fully tested and qualified, we will offer certificate of conformity, no test report.

Main specifications

ParametersMinTypicalMaxUnits
Frequency0.1~18GHz
Attenuation range0~63dB
IL812dB
VSWR1.82.2
Attenuation accuracy root mean square22.5dB
I/O Isolation60dB
Input power (RF input port)+25dBm
Input power (RF output port)+18dBm
衰减切换时间100ns

Other parameters

step0.25dB
Power0.3W Design assurance
Impedance50Ω
ConnectorSMA-K
SurfaceNickel plating
Working voltage+5V
Working current使用Ethernet,USB-C or RS232控制该模块的时候,工作电流为300mA;使用TTL控制的时候,其余控制需要断电,此时工作电流为50mA。
Work Temp.-0~+50℃ Design assurance
Storage Temp.-30~+85℃ Design assurance
Control portUSB-C/TTL/RS232/ETHERNTE CONTROLUS
Other替代RCDAT-18G-63

Truth table(1=3.3~5V,0=0V)

AttenuationA8A7A6A5A4A3A2A1
0.2500000001
0.500000010
100000100
200001000
400010000
800100000
1601000000
31.510000000
31.7501111111
6311111110

RJ-45 & RS-232 Control

0 dBAA 00 02 03 04 05 06 55
0.25 dBAA 01 02 03 04 05 06 55
0.5 dBAA 02 02 03 04 05 06 55
1 dBAA 04 02 03 04 05 06 55
2 dBAA 08 02 03 04 05 06 55
4 dBAA 10 02 03 04 05 06 55
8 dBAA 20 02 03 04 05 06 55
16 dBAA 40 02 03 04 05 06 55
31.7 dBAA 80 02 03 04 05 06 55
63 dBAA FF 02 03 04 05 06 55

15芯引脚定义

引脚说明Voltage
1电源电压+5V
2GNDGND
3RS232-TX
4RS232-RX
5TTL-EN+3.3V/0V
6TRIGGER+3.3V/0V
7ATT1-0.25+3.3V/0V
8ATT1-0.5+3.3V/0V
9ATT1-1+3.3V/0V
10ATT1-2+3.3V/0V
11ATT1-4+3.3V/0V
12ATT1-8+3.3V/0V
13ATT1-16+3.3V/0V
14ATT2-31.5+3.3V/0V
15不连接

Typical test data

Frequency (G)VSWRIL (dB)A-0.25 dBA-0.5 dBA-1 dBA-2 dBA-4 dBA-8 dBA-16 dBA-63 dB
0.12.17-5.67-0.41-0.76-1.04-2.13-4.17-8.2-15.4-59.4
2.81.9-7.61-0.35-0.59-0.97-1.99-3.8-7.78-15.05-59.34
4.21.79-8.31-0.3-0.51-0.97-2.01-3.81-7.87-15.2-59.74
8.51.29-9.08-0.27-0.45-0.9-1.97-3.77-7.87-15.45-60.27
101.96-8.86-0.35-0.6-1.04-2.18-4.07-8.03-15.54-61.76
121.08-8.95-0.38-0.63-1.02-2.23-4.23-8.22-16.25-62.41
141.48-10.07-0.31-0.49-1.06-2.37-4.4-8.44-16.25-61.93
151.48-10.38-0.37-0.6-1.07-2.34-4.15-7.88-15.69-60.91
171.44-10.46-0.48-0.48-0.95-2.2-4.09-8.04-16.12-61.85
181.87-11.15-0.41-0.41-0.95-2.25-4.08-7.99-16.04-62.42

Instructions for use

1、当TRIGGER=0时,网口,type-c,232无论发送什么命令,FPGA都不响应,当TRIGGER=1时,FPGA才会响应,且TRIGGER再次变为0是,FPGA的状态保持为此次状态,直到TRIGGER=1时,接收到下一状态;

2、当需要使用TTL直接控制的时候,需要将TTL-EN=1,使网口,232,type-c的供电全部关闭,当需要使用网口,232,type-c控制时,需要将TTL-EN=0并把15芯连接器上的ATT引脚全部悬空;

3、可提供type-c控制软件

Reference picture

Reference

Configuration(mm)

Configuration(mm)

Typical test curve

Typical

典型切换时间-上升沿

典型切换时间-上升沿

典型切换时间-下降沿

典型切换时间-下降沿

Note

1. Clean the surface of the product, do not soak the product in a cleaning solution; 2. This product belongs to electrostatic sensitive devices. Pay attention to anti-static measures during installation or storage; 3. If the overall temperature is greater than 125 ℃, please consult with us before placing an order.