AT-119TR Tyco Electronics, AT-119TR Datasheet

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AT-119TR

Manufacturer Part Number
AT-119TR
Description
2.25 Volt Voltage Variable Absorptive Attenuator - 40 dB/ 1.8.2.5 GHz
Manufacturer
Tyco Electronics
Datasheets

Available stocks

Company
Part Number
Manufacturer
Quantity
Price
Part Number:
AT-119TR
Manufacturer:
MA/COM
Quantity:
20 000
Part Number:
AT-119TR-3000
Manufacturer:
M/A-COM
Quantity:
9 032
Input Power for 1 dB Change in Attenua-
1. All measurements in a 50-τ system unless otherwise specified. The RF ports must be blocked outside of the package from
Electrical Specifications @ T
2.25 Volt Voltage Variable Absorptive
Attenuator - 40 dB, 1.8—2.5 GHz
Features
Description
M/A-COM’s AT-119 is a GaAs MMIC voltage variable
absorptive attenuator in a low cost, SOT-25 five-lead,
surface mount plastic package. M/A-COM fabricates the
AT-119 with a proven monolithic GaAs self-aligned gate
process that features full chip passivation for performance
and reliability
Applications
The AT-119 is ideally suited for applications that require
fine tuning, linear attenuation with voltage, and very low
power consumption.
Typical applications for the AT-119 include automatic gain
control circuits in satellite radio receivers and other wireless
receivers.
ground or any other voltage.
Single Positive Voltage Control 0 to +2.25 Volts
>50 dB Attenuation Range at 2.1 GHz
Tape and Reel Packaging Available
Low DC Power Consumption
Low Cost SOT-25 Plastic Package
Input 3
Minimum Insertions Loss
Maximum Attenuation
Attenuation Slope
Switching Speed
rd
Return Loss
Order Intercept Point
Parameters
Transients
tion
A
50% V
0.75 V
0.6 V
= +25 °C, Frequency = 2.4 GHz, V
0 V
0 V
V
CTL
V
DC
DC
Test Conditions
DC
V
CTL
DC
CTL
CTL
= 3 V
< V
< V
< V
< V
to 10% / 90% RF
= 2.25 V
= 0.5 V
CTL
CTL
CTL
CTL
DC,
< 3.0 V
< 3.0 V
< 1.75 V
In-Band
< 1.75 V
Functional Schematic
1. V
2. V
3. External DC blocking capacitors are required on all RF
Absolute Maximum Ratings
@ T
Maximum Input Power
Supply Voltage V
ControlVoltage V
Operating Temperature
Storage Temperature
1. Exceeding any one or a combination of these limits may
DC
DC
ports.
cause permanent damage.
CC
CTL
DC
DC
A
= +3.3 V
DC
= 0 V
DC
= +25 °C (unless otherwise specified)
Parameter
RF
1
DC
DC
to +3.3 VDC @ 50 µA max.
100 pF
@ 50 µA max.
V
nSec
Units
dB/V
dBm
dBm
CTL
CC
5
mV
CC
dB
dB
dB
GND
2
Min
37
24
100 pF
V
Absolute Maximum
CTL
4
CC
-65°C to +150°C
-1 V, V
-40°C to +85°C
-1 V, + 8 V
>12
>10
>20
Typ
180
3.0
10
+21 dBm
= 3.3 V
RF
3
CC
1
+0.5 V
Max
3.2
DC
1

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