參數(shù)資料
型號(hào)： AT-259TR
英文描述： Voltage Variable Absorptive Attenuator DC - 2 GHz
中文描述： 變壓吸附衰減直流- 2吉赫
文件頁(yè)數(shù)： 1/2頁(yè)
文件大?。?/td> 112K
代理商： AT-259TR
V 2.00
Features
G
Attenuation: 12 dB at 1 GHz
G
Low Intermodulation Products
G
Low DC Power Consumption: 50 μW
G
Single Voltage Control 0 to -4 Volts
G
Nanosecond Switching Speed
G
Temperature Range: -40C to + 85C
G
Low Cost SOT/143 Plastic Package
G
Tape and Reel Packaging Available
1
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 re q u ed. Typical applications include radio,
c e u , GPS equipment and other Automatic Gain/Level
C o n ol 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 perf o mance and reliability.
Vo age Va a ble Absorptive Attenuator
DC - 2 GHz
AT- 2 5 9
SOT-143
Parameter
Insertion Loss
Test Conditions
2
Unit
dB
dB
dB
dB
dB
dB
dB
Min.
Typ.
2.9
3.0
3.2
3.4
± 0.2
± 2.3
± 7.0
2.1:1
3
5
10
Max
3.1
3.2
3.5
3.8
± 0.4
± 2.5
± 7.5
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
Flatness
(Peak to Peak)
DC – 2.0 GHz
VSWR
Trise, Tfall
Ton, Toff
Transients
Power
Handling
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
to Input Power
(For two-tone Input Power Up to +5 dBm)
Measured Relative
to Input Power
(For two-tone Input Power Up to +5 dBm)
nS
nS
mV
dBm
dBm
13
21
0.05 GHz
0.5 – 2.0 GHz
34
47
IP2
dBm
0.05 GHz
0.5 – 2.0 GHz
dBm
dBm
18
18.5
31
(3)
36
(3)
IP3
Electrical Specifications,T
A
= +25°C
1. Refer to “Tape and Reel Packaging”Section, or contact factory.
2. All measurements at 1 GHz in a 50
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.
Ordering Information
Part Number
AT-259 PIN
AT-259TR
AT-259RTR
Package
SOT 4-Lead Plastic Package
Forward Tape & Reel
Reverse Tape & Reel
相關(guān)PDF資料
PDF描述
AT-259RTR Voltage Variable Absorptive Attenuator DC - 2 GHz
AT-262 Digital Attenuator， 31 dB， 5-Bit DC2 GHz
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