AT-266TR Datasheet PDF - Tyco Electronics
| Part Number | AT-266TR | |
| Description | Digital Attenuator/ 1 Bit/ 10 dB Step DC - 2.0 GHz | |
| Manufacturers | Tyco Electronics | |
| Logo |  |
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Digital Attenuator, 1 Bit, 10 dB Step, DC - 2.0 GHz
AT-266
AT-266
Digital Attenuator, 1 Bit, 10 dB Step
DC - 2.0 GHz
Features
• Single 10 dB Step
• Low Loss 0.3dB Typ. @ 900 MHz
• Low Cost Plastic SOT25 Package
Description
M/A-COM’s AT-266 is a 1 bit, 10 dB step GaAs MMIC Digital
Attenuator in a low cost SOT-25 surface mount plastic package.
The AT-266 is ideally suited for use where high accuracy, very
low power consumption and low intermodulation products are
required. Typical applications include radio, wireless LANs,
GPS equipment and other gain/level control circuits.
The AT-266 is a GaAs MMIC using a mature 1 micron process.
The process features full chip passivation for increased perfor-
mance and reliability.
SOT-25 Plastic Package
.114 ± .008
2,9 ± 0,2
.075 ± .008
1,90 ± 0,2
.063 ± .004
1,6 ± 0,1
Pin 1
+ .004
.031 - .007
0,80 + 0,1
- 0,18
.110 ± .008
2,80 ± 0,2
+ .004
.016 - .002
0,40 + 0,1
- 0,05
.002 ± .002
0,05 ± 0,05
+ .008
.043 - .004
1,10 + 0,2
- 0,1
.008 MIN
0,20 MIN
+ .004
.006 - .002
0,15 + 0,1
- 0,05
Pin Configuration
PIN No.
Function
Description
1 RF11 RF In/Out
2
GND1
RF Ground
3 RF21 RF In/Out
4 V1 Control Voltage
5 V2 Control Voltage
1. Series Capacitors on PINs1, 3 and 5, Shunt Capacitor on PIN 2
are required for Postive Control. 39pF capacitors used for pos-
tive control performance curves.
Electrical Specifications TA = 25°C1
Truth Table
MODE (Control)
V1
V2 Atten.
Postive1
0 ± 0.2V
+3 to +8V
10 dB
+3 to +8V
0 ± 0.2V
IL
Postive / Negative1,2
-VC ± 0.2 V
+ VC
+VC
-VC ± 0.2V
10 dB
IL
Negative3
0 ± 0.2V
-3V to -8V
IL
-3V to -8V
0 ± 0.2V
10 dB
1. External DC blocking capactors are required as noted1
2. | -VC | + VC ≤ 8 V.
3. If negative control is used, DC blocking capacitors are not
required on RF Ports.
Parameter
Test Conditions
Insertion Loss
0 - 1 GHz
Insertion Loss
1 - 2 GHz
Attenuation
0 - 1 GHz
1 - 2 GHz
VSWR
0 - 2 GHz
IP3
P1dB
Trise, Tfall
2 Tone @ 0 dBm, 5 MHz spacing
1 GHz
10% to 90% RF, 90% to 10% RF
Ton, Toff
50% Control to 90% RF, 50% Control to 10% RF
Transients
In Band
1. All measurements at 1.0 GHz, -3 Volts control unless otherwise specified.
Units
dB
dB
dB
dB
dBm
dBm
ns
ns
mV
Min.
42
23
Typ.
0.3
0.5
10
10
1.4:1
50
28
5
10
6
Max.
0.45
0.7
±0.4
±0.5
1.5:1
20
25
10
V2.00
M/A-COM Division of AMP Incorporated 3 North America: Tel. (800) 366-2266, Fax (800) 618-8883 3 Asia/Pacific: Tel.+85 2 2111 8088, Fax +85 2 2111 8087
3 Europe: Tel. +44 (1344) 869 595, Fax+44 (1344) 300 020
www.macom.com
AMP and Connecting at a Higher Level are trademarks.
Specifications subject to change without notice.
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Part DetailsOn this page, you can learn information such as the schematic, equivalent, pinout, replacement, circuit, and manual for AT-266TR electronic component. |
| Information | Total 2 Pages | |
| Link URL | [ Copy URL to Clipboard ] | |
| Download | [ AT-266TR.PDF Datasheet ] | |
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