AT-267TR Tyco Electronics, AT-267TR Datasheet

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AT-267TR

Manufacturer Part Number
AT-267TR
Description
Digital Attenuator/ 1 Bit/ 15 dB Step DC - 2.0 GHz
Manufacturer
Tyco Electronics
Datasheet

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AT-267TR
Manufacturer:
MA/COM
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AT-267TR
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MACOM
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Part Number:
AT-267TR-3000
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AT-267TR-3000
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MA/COM
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Digital Attenuator, 1 Bit, 15 dB Step
DC - 2.0 GHz
Features
Description
M/A-COM’s AT-267 is a 1 bit, 15 dB step GaAs MMIC
digital attenuator in a low cost SOT-25 5 lead surface
mount plastic package. The AT-267 is ideally suited for
use where high accuracy, very low power consumption and
low intermodulation products are required.
Typical applications include wireless handsets, base
stations, wireless LAN equipment, GPS receivers and any
RF applications with automatic gain/level control circuits.
The AT-267 is fabricated as a monolithic GaAs integrated
circuit using a proven self-aligned gate process.
process features full chip passivation for performance and
reliability.
Truth Table
Absolute Maximum Ratings
Maximum Input Power
Control Voltage V
Operating Temperature
Storage Temperature
1. Exceeding any one or a combination of these limits may
1. External DC blocking capacitors are required as noted*
2. |-Vc|+ Vc
3. If negative control is used, DC blocking capacitors are not
Positive
Postitive/
Negative
Negative
(Control)
cause permanent damage.
required on RF Ports and Ground.
Single 15 dB Step
Low Loss, 0.3 dB Typical @ 900 MHz
2.7 to 5.0 Volt Operation
Insertion Loss, Attenuation insensitive to Control
Voltage
Low Cost SOT-25 Plastic Package
Tape and Reel Packaging Available
Mode
1
1,2
3
Parameter
8 V
+2.5 V to +5 V
-2.5 V to -5 V
-Vc ± 0.2 V
0 ± 0.2 V
0 ± 0.2 V
CTL
1, 2, 3
+Vc
V1
+2.5 V to +5 V
-2.5 V to -5 V
-Vc ± 0.2 V
0 ± 0.2 V
0 ± 0.2 V
Absolute Maximum
+Vc
-65° C to +150° C
V2
-40° C to +85° C
+21 dBm
-8 V
1
Atten
15 dB
15 dB
15 dB
IL
IL
IL
The
Functional Schematic
Positive Control Voltage
PIN 1
PIN 5
39 pF
RF1
RF1
V2
V2
1
5
39 pF
GND
GND
2
V1
RF2
4
3
V1
RF2
39 pF
V 2.00

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AT-267TR Summary of contents

Page 1

... Tape and Reel Packaging Available Description M/A-COM’s AT-267 bit step GaAs MMIC digital attenuator in a low cost SOT-25 5 lead surface mount plastic package. The AT-267 is ideally suited for use where high accuracy, very low power consumption and low intermodulation products are required ...

Page 2

... Digital Attenuator, 1 Bit Step 2.0 MHz Electrical Specifications: T Parameter Insertion Loss Attenuation V SWR Input 1dB Leakage Current rise fall off Transients 1. All measurements in a 50-τ system unless otherwise specified. The RF ports must be blocked out side of the package from ground or any other voltage ...

Page 3

... Lead Coplanarity is 0.003 (0.08) max. Ordering Information Part Number AT-267TR AT-267TR-3000 AT-267SMB 1. If specific reel size is required, consult factory for part number assignment. Specifications subject to change without notice. North America: Tel. (800) 366-2266 Asia/Pacific: Tel ...

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