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AT-357SMA

更新时间：2024-09-18 02:02:29
品牌：TE
描述：GaAs Digital Attenuator, 31 dB, 5 Bit DC - 2 GHz

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AT-357SMA 概述

GaAs Digital Attenuator, 31 dB, 5 Bit DC - 2 GHz 砷化镓数字衰减31分贝， 5位DC - 2 GHz的 射频/微波衰减器

AT-357SMA 规格参数

生命周期：TransferredReach Compliance Code：unknown
风险等级：5.27Is Samacsys：N
其他特性：SMA标称衰减：31 dB
特性阻抗：50 Ω构造：COAXIAL
最大输入功率 (CW)：32.04 dBm最大插入损耗：6.5 dB
最大工作频率：2000 MHz最小工作频率：
最高工作温度：85 °C最低工作温度：-55 °C
射频/微波设备类型：VARIABLE ATTENUATOR最大电压驻波比：2.2
Base Number Matches：1

AT-357SMA 数据手册

通过下载AT-357SMA数据手册来全面了解它。这个PDF文档包含了所有必要的细节，如产品概述、功能特性、引脚定义、引脚排列图等信息。

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GaAs Digital Attenuator, 31 dB, 5 Bit  
DC - 2 GHz  
AT-357  
V3.00  
Features  
C-46  
●
Attenuation 1 dB Steps to 31 dB  
TTL Control Interface  
Hermetic Connectorized Housing  
●
●
.093±.005 Dia Thru  
(2.36 ± 0.13)  
4 Places  
Removable  
SMA Jack  
Receptacle  
2 Places  
0.000  
0.205 (5.21)  
0.000  
Guaranteed Specifications1  
(-55°C to +85°C)  
0.250  
(6.35)  
0.330  
(8.38)  
Frequency Range  
Nominal Attenuation 2  
DC to 2.0 GHz  
0.660 (16.76)  
1 dB Steps to 31 dB  
0.20  
(5.1)  
Typ  
Attenuation Accuracy  
1.235 ± .005  
DC – 1.0 GHz  
1.0 – 2.0 GHz  
±(0.2 dB + 2% of Attenuation Setting in dB) dB  
±(0.2 dB + 2% of Attenuation Setting in dB) dB  
(31.37 ± 0.13)  
0.230 (5.84)  
0.115 (2.92)  
0.000  
VSWR  
DC – .025 GHz  
.025 – 0.5 GHz  
0.2 – 2.0 GHz  
0.5 – 1.0 GHz  
2.2:1 Max  
1.8:1 Max  
1.5:1 Max  
1.4:1 Max  
0.090 (2.29)  
10 Places  
.025 ±.005 Dia Pin  
(0.64 ± 0.13)  
11 Places  
0.250  
(6.35)  
Reference Insertion Loss  
DC – 0.5 GHz  
0.5 – 1.0 GHz  
1.0 – 2.0 GHz  
5.5 dB Max  
6.0 dB Max  
6.5 dB Max  
0.900 Ref.  
(22.86)  
Bottom of case is AC ground.  
Dimensions in ( ) are in mm.  
Unless Otherwise Noted: .xxx = ± 0.010 (.xx = ± 0.25)  
.xx = ± 0.02 (.x = ± 0.5)  
Operating Characteristics  
Impedance  
50 Ohms Nominal  
Switching Characteristics  
Ton, (50% CTL to 90% RF)  
Toff (50% CTL to 10% RF)  
Trise, (10% RF to 90% RF)  
Tfall (90% RF to 10% RF)  
Switching Transients (unfiltered)  
Functional Schematic (Top View)  
160 ns Typ  
80 ns Typ  
15 ns Typ  
3 ns Typ  
4dB  
16dB  
1dB  
8dB  
2dB  
130 mV Typ  
Input Power for 1 dB Compression  
0.5 – 2.0 GHz  
28 dBm Typ  
15 dBm Typ  
0.05 GHz  
RF2  
RF1  
Intermodulation Intercept Point (for two-tone input power up to +5 dBm)  
Intercept Points  
IP2  
IP3  
0.5 – 2.0 GHz  
0.05 GHz  
+55  
+45  
+47  
+28  
dBm Typ  
dBm Typ  
Bias Power  
+15 VDC @ 5 mA Max  
-12 VDC @ 3 mA Max  
+15V GND GND GND GND -12V  
C1 C2 C3 C4 C5  
Control  
Vin Low (0)  
Vin High (1)  
5 line, TTL Data Bus  
0.0 to 0.8V @ 1 µA Max  
2.4 to 5.0V @ 1 µA Max  
Truth Table  
1. All specifications apply when operated with bias voltages of +15 VDC and -12VDC  
and a 50 ohm impedance at both RF ports.  
2. Above reference insertion loss.  
Control Input  
Attenuator Setting  
3. Contact the factory for standard or custom screening requirements.  
C1 C2 C3 C4 C5  
0
1
0
0
0
0
0
0
1
0
0
0
0
0
0
1
0
0
0
0
0
0
1
0
0
0
0
0
0
1
REFERENCE  
1 dB  
2 dB  
4 dB  
8 dB  
16 dB  
Ordering Information  
Model No.  
Package  
AT-357 SMA  
Connectorized  
Any Combination  
Sum of Bits Selected  
"1" = Logic High (TTL)  
"0" = Logic Low (TTL)  
Specifications Subject to Change Without Notice.  
M/A-COM, Inc.  
1
North America: Tel. (800) 366-2266  
Fax (800) 618-8883  
■
Asia/Pacific: Tel. +81 (03) 3226-1671  
Fax +81 (03) 3226-1451  
■
Europe: Tel. +44 (1344) 869 595  
Fax +44 (1344) 300 020  
AT-357  
GaAs Digital Attenuator, 31dB, 5 Bit  
Absolute Maximum Ratings1  
V3.00  
Parameter  
Absolute Maximum1  
Max. Input Power  
0.05 GHz  
0.5 – 2.0 GHz  
+27 dBm  
+32 dBm  
Bias Voltage  
+15V Supply (V+)  
-12V Supply (V-)  
-0.7V to + 18V  
-15V to + 0.7V  
Control Voltage  
(V-)-2V to (V+)+2V  
(or 30 mA, whichever comes first)  
Operating Temperature  
Storage Temperature  
-55°C to +125°C  
-65°C to +150°C  
Note: 1. Operation of this device above any one of these parameters may cause  
permanent damage.  
Typical Performance  
ATTENUATION FLATNESS vs. FREQUENCY  
REFERENCE INSERTION LOSS vs. FREQUENCY  
1.0  
1.0  
2.0  
3.0  
31 dB  
0.5  
0.0  
4.0  
5.0  
1,2,4,8,16 dB  
-0.5  
-1.0  
6.0  
0
0.5  
1.0  
1.5  
0
0.5  
1.0  
1.5  
2.0  
2.0  
FREQUENCY (GHz)  
FREQUENCY (GHz)  
VSWR vs. FREQUENCY  
2.0  
1.8  
Insertion Loss and 1 dB Bit  
1.6  
1.4  
1.2  
1.0  
Attenuation of 2 dB and Greater  
0
1.0  
1.5  
2.0  
0.5  
FREQUENCY (GHz)  
Specifications Subject to Change Without Notice.  
2
M/A-COM, Inc.  
North America: Tel. (800) 366-2266  
Fax (800) 618-8883  
■
Asia/Pacific: Tel. +81 (03) 3226-1671  
Fax +81 (03) 3226-1451  
■
Europe: Tel. +44 (1344) 869 595  
Fax +44 (1344) 300 020  

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