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AT-118 PDF даташит

Спецификация AT-118 изготовлена ​​​​«Tyco Electronics» и имеет функцию, называемую «Voltage Variable Absorptive Attenuator».

Детали детали

Номер произв AT-118
Описание Voltage Variable Absorptive Attenuator
Производители Tyco Electronics
логотип Tyco Electronics логотип 

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AT-118 Даташит, Описание, Даташиты
Voltage Variable
Absorptive Attenuator
AT-118
Features
Single Positive Control 0 to 3 Volts
15 dB Voltage Variable Attenuation
± 2 dB Linearity from BSL
Positive Control Logic
Low Cost MSOP-8 Plastic Package
Description
M/A-COM’s AT-118 is a linear GaAs MMIC voltage variable
absorptive attenuator in a low cost MSOP-8 surface mount
plastic package. The AT-118 is ideally suited for applications
where linear attenuation and fine tuning are required.
Typical applications include radio, cellular, GPS equipment and
automatic gain/level control circuits.
The AT-118 is fabricated with a mature 1 micron gate length
GaAs MESFET process. The process features full chip
passivation for increased performance and reliability.
MSOP-81
R .010
ID P IN
0 .1 9 3 0 .1 1 8
0 .0 0 7
4X 12°
.0 2 0
.0 2 0
4X 12°
0 .0 3 4
0.0256 0.021
0 .1 1 8
0 .0 4 0
0 .0 1 3
1. Dimensions are in inches.
0 .0 0 8
Ordering Information
Part Number
Package
AT-118 PIN
AT-118TR
MSOP 8-Lead Plastic
Forward Tape and Reel1
1. Reference Application Note M513 for reel size information.
Electrical Specifications: TA = +25°C1=
Parameter
Test Conditions
Insertion Loss
0.5 - 3.0 GHz
Attenuation
0.5 - 1.0 GHz
1.0 - 3.0 GHz
Insertion Loss Flatness (Peak-to-Peak) 0.5 - 3.0 GHz
VSWR
0.5 - 3.0 GHz
Trise, Tfall
Ton, Toff
Transients
10% to 90% RF, 90% to 10% RF
50% Control to 90% RF, Control to 10% RF
In-band
Units
dB
dB
dB
dB
µS
µS
mV
1. All measurements taken at 900 GHz in a 50system unless otherwise specified. Loss varies at 0.003 dB/°C.
Min.
12
15
Typ.
1.6
14
16
±0.3
2:1
10
12
10
Max.
1.9
±0.5
Specifications subject to change without notice.
North America: Tel. (800) 366-2266, Fax (800) 618-8883
Asia/Pacific: Tel.+81-44-844-8296, Fax +81-44-844-8298
Europe: Tel. +44 (1344) 869 595, Fax+44 (1344) 300 020
Visit www.macom.com for additional data sheets and product information.
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AT-118 Даташит, Описание, Даташиты
Voltage Variable Absorptive Attenuator
Absolute Maximum Ratings1
Parameter
Absolute Maximum
Maximum Input Power
+21 dBm
Supply Voltage VCC
-1V, +8V
Control Voltage VC
-1V, VCC +0.5V
Operating Temperature
-40°C to +85°C
Storage Temperature
-65°C to +150°C
1. Exceeding any one or a combination of these limits may cause
permanent damage.
Functional Schematic1, 2, 3
AT-118
GND 1
RF 2
Vcc 3
GND 4
8 GND
7 RF
6 Vc
5 GND
1. VCC = +3 VDC @ 20 µA max.
2. VC = 0 VDC to +3 VDC @ 75 µA max.
3. External DC blocking capacitors are required on all RF ports.
4. 39 pF used for data measurements.
Typical Performance Curves
Insertion Loss vs. FreQquency
0
-0.2
-0.4
-0.6
-0.8
-1
-1.2
-1.4
-1.6
-1.8
-2
0.5 1 1.5 2
FREQUENCY (GHz)
2.5
3
Attenuation vs. Frequency @ Vc = 0V
0
-2
-4
-6
-8
-10
-12
-14
-16
-18
0.5 1 1.5 2 2.5
FREQUENCY (GHz)
3
Specifications subject to change without notice.
North America: Tel. (800) 366-2266, Fax (800) 618-8883
Asia/Pacific: Tel.+81-44-844-8296, Fax +81-44-844-8298
Europe: Tel. +44 (1344) 869 595, Fax+44 (1344) 300 020
Visit www.macom.com for additional data sheets and product information.
0 Attenuation vs. Control Voltage
-2
-4
-6
900 MHz
-8
-10
-12
2.4 GHz
-14 1.8 GHz
-16
-18
3 2.5 2 1.5 1 0.5 0
CONTARTOTLEVNOULATTAIOGNE ((dVBo)lts)
Typical Device Variation
0
-2
F = 900 MHz
-4
-6
-8
-10
-12
-14
-16
-18
3 2.5 2 1.5 1 0.5
CONCTORONLTRVOOLLTVAOGLETA(VGoElts)
0
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AT-118 Даташит, Описание, Даташиты
Voltage Variable Absorptive Attenuator
Typical Performance Curves (Cont’d)
Attenuation vs. Temperature Normalized to
1 +25°C
0.8
0.6
0.4 + 85C
0.2
0
-0.2
-0.4
- 40C
-0.6
-0.8
-1
0 0.5 1 1.5 2 2.5 3
CONTROL VOLTAGE
CONTROL VOLTAGE (Volts)
Return Loss vs. Control Voltage
0
F = 900 MHz
-5
-10
INPUT
-15
OUTPUT
-20
-25
0
0.5 1 1.5 2 2.5
CONCTORNOTLRVOOLLVTOALGTEA(GVoElts)
3
AT-118
IP3 vs. Control Voltage
35
500 MHz
30
25
20
900 MHz
15
10
5
0
0 0.5 1 1.5 2 2.5
CONCTORNOTLROVOL LVTOALGTEAG(VEolts)
3
1 dB Compression vs. Control Voltage
16
14
900 MHz
12
10
8
6 500 MHz
4
2
0
0 0.5 1 1.5 2 2.5
CONCTROONLTRVOOLLTVAOGLETA(VGoElts)
3
Specifications subject to change without notice.
North America: Tel. (800) 366-2266, Fax (800) 618-8883
Asia/Pacific: Tel.+81-44-844-8296, Fax +81-44-844-8298
Europe: Tel. +44 (1344) 869 595, Fax+44 (1344) 300 020
Visit www.macom.com for additional data sheets and product information.
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