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AT-250

Tyco Electronics
Part Number AT-250
Manufacturer Tyco Electronics
Description Voltage Variable Absorptive Attenuator DC - 2 GHz
Published Mar 24, 2005
Detailed Description Voltage Variable Absorptive Attenuator DC - 2 GHz Features q q q q q q q q AT-250 V 2.00 SO-8 12 dB Voltage Variable ...
Datasheet PDF File AT-250 PDF File

AT-250
AT-250

Overview
Voltage Variable Absorptive Attenuator DC - 2 GHz Features q q q q q q q q AT-250 V 2.
00 SO-8 12 dB Voltage Variable Attenuation Low Intermodulation Products Low DC Power Consumption: 50 µW Single Voltage Control 0 to -4 Volts Nanosecond Switching Speed Temperature Range: -40˚C to +85˚C Low Cost SOIC 8 Plastic Package Tape and Reel Packaging Available1 Description M/A-COM’s AT-250 is a GaAs MMIC voltage variable absorptive attenuator in a low cost SOIC 8-lead surface mount plastic package.
The AT-250 is ideally suited for use where attenuation fine tuning, fast switching and very low power consumption are required.
Typical applications include radio, cellular, GPS equipment and other Automatic Gain/Level Control circuits.
The AT-250 is fabricated with a monolithic GaAs MMIC using a mature 1-micron process.
The process features full chip passivation for increased performance and reliability.
Ordering Information Part Number AT-250 PIN AT-250TR AT-250RTR Package SOIC 8-Lead Plastic Package Forward Tape & Reel Reverse Tape & Reel Electrical Specifications, TA = +25°C Parameter Insertion Loss Test Conditions2 DC – 0.
1 GHz DC – 0.
5 GHz DC – 1.
0 GHz DC – 2.
0 GHz DC – 0.
1 GHz DC – 0.
5 GHz DC – 1.
0 GHz DC – 2.
0 GHz 10% to 90% RF, 90% to 10% RF 50% Control to 90% RF, 50% Control to 10% RF In Band Linear Operation Absolute Max Input Power Measured Relative 0.
05 GHz to Input Power 0.
5 – 2.
0 GHz (For two-tone Input Power Up to +5 dBm) Measured Relative 0.
05 GHz to Input Power 0.
5 – 2.
0 GHz (For two-tone Input Power Up to +5 dBm) Unit dB dB dB dB dB dB dB dB nS nS mV dBm dBm dBm dBm dBm 28 40 18 18.
5 Min.
Typ.
2.
9 3.
0 3.
2 3.
4 +/– 0.
1 +/– 0.
2 +/– 0.
5 +/– 1.
2 2.
1:1 3 5 10 Max 3.
1 3.
2 3.
5 3.
8 +/– 0.
3 +/– 0.
4 +/– 0.
8 +/– 1.
5 Flatness (Peak to Peak) VSWR Trise, Tfall Ton, Toff Transients Power Handling IP2 IP3 13 21 34 47 31(3) 36(3) 1.
Refer to “Tape and Reel Packaging”Section, or contact factory.
2.
All measurements at 1 GHz in a 50Ω system, unless otherwise specified.
A co...


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