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PDF AT-259PIN Data sheet ( Hoja de datos )
| Número de pieza | AT-259PIN | |
| Descripción | Voltage Variable Absorptive Attenuator DC - 2 GHz | |
| Fabricantes | Tyco Electronics | |
| Logotipo |  |
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Voltage Variable Absorptive Attenuator
DC - 2 GHz
Features
q Attenuation: 12 dB at 1 GHz
q Low Intermodulation Products
q Low DC Power Consumption: 50 µW
q Single Voltage Control 0 to -4 Volts
q Nanosecond Switching Speed
q Temperature Range: -40˚C to + 85˚C
q Low Cost SOT/143 Plastic Package
q Tape and Reel Packaging Available1
SOT-143
AT-259
V 2.00
Description
M/A-COM’s AT-259 is a GaAs MMIC voltage variable absorp-
tive attenuator in a low cost SOT/143 4-Lead surface mount
plastic package. The AT-259 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-259 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.
Ordering Information
Part Number
AT-259 PIN
AT-259TR
Electrical Specifications, TA = +25°C
AT-259RTR
Parameter
Insertion Loss
Flatness
(Peak to Peak)
VSWR
Test Conditions2
DC – 2.0 GHz
DC – 0.1 GHz
DC – 0.5 GHz
DC – 1.0 GHz
DC – 2.0 GHz
5 dB Attenuation
10 dB Attenuation
15 dB Attenuation
Unit
dB
dB
dB
dB
dB
dB
dB
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
Power
Handling
Linear Operation
Absolute Max.Input Power
dBm
dBm
Measured Relative
0.05 GHz
IP2 to Input Power
0.5 – 2.0 GHz
dBm
(For two-tone Input Power Up to +5 dBm)
Measured Relative
0.05 GHz
dBm
IP3 to Input Power
0.5 – 2.0 GHz
dBm
(For two-tone Input Power Up to +5 dBm)
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 control voltage 0 to -4 volts @ 20 µA typ.
3. For levels above 6 dB attenuation. For levels below 6 dB, the minimum specification numbers apply.
Package
SOT 4-Lead Plastic Package
Forward Tape & Reel
Reverse Tape & Reel
Min.
18
18.5
Typ.
2.9
3.0
3.2
3.4
± 0.2
± 2.3
± 7.0
2.1:1
3
5
10
34
47
31(3)
36(3)
Max
3.1
3.2
3.5
3.8
± 0.4
± 2.5
± 7.5
13
21
1 page | ||
| Páginas | Total 2 Páginas | |
| PDF Descargar | [ Datasheet AT-259PIN.PDF ] | |
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