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AT-309PIN

更新时间： 2024-11-05 23:32:39
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其他 - ETC 衰减器
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2页 133K
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Analog Attenuator

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AT-309PIN 数据手册

 浏览型号AT-309PIN的Datasheet PDF文件第2页 
Voltage Variable Absorptive Attenuator, 20 dB  
AT-309  
DC - 2 GHz  
V 2.00  
SO-8  
Features  
● 20 dB Voltage Variable Attenuation  
● Very Low Power Consumption: 50 µW  
● Low Intermodulation Products  
● Dual Voltage Control 0 to -4 Volts  
● Nanosecond Switching Speed  
● Temperature Range: -40˚C to +85˚C  
● Low Cost SOIC8 Plastic Package  
1
● Tape and Reel Packaging Available  
Description  
M/A-COM’s AT-309 is a GaAs MMIC voltage variable absorptive  
attenuator in a low cost SOIC 8-lead surface mount plastic  
package. The AT-309 is ideally suited for use where attenuation  
fine tuning, fast switching and very low power consumption  
are required. Typical applications include radio, cellular, and  
GPS equipment and other Automatic Gain/Level Control cir-  
cuits.  
Ordering Information  
Part Number  
Package  
The AT-309 is fabricated with a monolithic GaAs MMIC using  
a mature 1-micron process. The process features full chip pas-  
sivation for increased performance and reliability.  
AT-309 PIN  
SOIC 8-Lead Plastic Package  
Forward Tape & Reel  
AT-309TR  
AT-309RTR  
Reverse Tape & Reel  
Electrical Specifications, TA = +25°C  
Parameter  
Test Conditions2  
Unit  
Min.  
Typ.  
Max  
Insertion Loss  
DC – 0.1 GHz  
DC – 0.5 GHz  
DC – 1.0 GHz  
DC – 2.0 GHz  
dB  
dB  
dB  
dB  
0.7  
0.8  
0.9  
1.2  
0.9  
1.0  
1.2  
1.4  
Flatness  
(Peak to Peak)  
DC – 0.1 GHz  
DC – 0.5 GHz  
DC – 1.0 GHz  
DC – 2.0 GHz  
dB  
dB  
dB  
dB  
+/-0.5  
+/-0.5  
+/-0.8  
+/-1.0  
+/-0.8  
+/-0.8  
+/-1.0  
+/-1.2  
VSWR (Matched)  
1.4:1  
Trise, Tfall  
Ton, Toff  
Transients  
10% to 90% RF, 90% to 10% RF  
50% Control to 90% RF, 50% Control to 10% RF  
In Band  
nS  
nS  
mV  
6
8
10  
One dB  
Input Power (Over Attenuation Range)  
dBm  
5
Compression  
Measured Relative (Over Attenuation Range)  
to Input Power (Over Attenuation Range)  
(for two-tone input power up to +5 dbm)  
0.05 GHz  
0.5 – 2.0 GHz  
dBm  
dBm  
47  
40  
IP  
2
Measured Relative (Over Attenuation Range)  
to Input Power (Over Attenuation Range)  
(for two-tone input power up to +5 dbm)  
0.05 GHz  
0.5 – 2.0 GHz  
dBm  
dBm  
39  
32  
IP  
3
1.Refer to “Tape and Reel Packaging”Section, or contact factory.  
2.All measurements at 1 GHz in a 50Wsystem, unless otherwise specified.The A and B control voltages vary 0 to -4V @ 20 µA typ.  
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