AT-266RTR Tyco Electronics, AT-266RTR Datasheet
AT-266RTR
Manufacturer Part Number
AT-266RTR
Description
Digital Attenuator/ 1 Bit/ 10 dB Step DC - 2.0 GHz
Manufacturer
Tyco Electronics
Datasheet
1.AT-266RTR.pdf
(2 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
AT-266RTR
Manufacturer:
m/a-com
Quantity:
1 400
Digital Attenuator, 1 Bit, 10 dB Step, DC - 2.0 GHz
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
Pin Configuration
1.
1. All measurements at 1.0 GHz, -3 Volts control unless otherwise specified.
Features
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.
Electrical Specifications T
Insertion Loss
Insertion Loss
Attenuation
VSWR
IP
P
Trise, Tfall
Ton, Toff
Transients
1dB
3
PIN No.
are required for Postive Control. 39pF capacitors used for pos-
tive control performance curves.
Single 10 dB Step
Low Loss 0.3dB Typ. @ 900 MHz
Low Cost Plastic SOT25 Package
Series Capacitors on PINs1, 3 and 5, Shunt Capacitor on PIN 2
1
2
3
4
5
Parameter
Digital Attenuator, 1 Bit, 10 dB Step
DC - 2.0 GHz
Function
AMP and Connecting at a Higher Level are trademarks.
Specifications subject to change without notice.
GND
RF1
RF2
V1
V2
1
1
1
0 - 1 GHz
1 - 2 GHz
0 - 1 GHz
1 - 2 GHz
0 - 2 GHz
2 Tone @ 0 dBm, 5 MHz spacing
1 GHz
10% to 90% RF, 90% to 10% RF
50% Control to 90% RF, 50% Control to 10% RF
In Band
A
= 25°C
Control Voltage
Control Voltage
Description
RF Ground
RF In/Out
RF In/Out
1
Test Conditions
Truth Table
Postive
Postive / Negative
Negative
1.
2. | -V
3. If negative control is used, DC blocking capacitors are not
SOT-25 Plastic Package
.031
0,80
MODE (Control)
required on RF Ports.
External DC blocking capactors are required as noted
+ .004
- .007
- 0,18
+ 0,1
C
1
.063 .004
3
| + V
1,6 0,1
Pin 1
C
8 V.
1,2
.114 .008
.075 .008
1,90 0,2
2,9 0,2
Units
-V
dBm
dBm
-3V to -8V
+3 to +8V
mV
dB
dB
dB
dB
0 ± 0.2V
0 ± 0.2V
ns
ns
C
.016
0,40
+ V
± 0.2 V
V1
+ .004
- .002
- 0,05
+ 0,1
C
Min.
42
23
.110 .008
2,80 0,2
-V
-3V to -8V
+3 to +8V
0 ± 0.2V
0 ± 0.2V
.002 .002
0,05 0,05
C
+V
V2
± 0.2V
C
1.4:1
Typ.
0.3
0.5
10
10
50
28
10
5
6
AT-266
1
Atten.
10 dB
10 dB
10 dB
.006
0,15
.043
1,10
IL
IL
IL
Max.
1.5:1
0.45
±0.4
±0.5
AT-266
.008 MIN
0,20 MIN
0.7
20
25
10
+ .004
+ .008
- .002
- 0,05
- .004
+ 0,2
+ 0,1
- 0,1
V2.00
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AT-266RTR Summary of contents
Page 1
... Transients In Band 1. All measurements at 1.0 GHz, -3 Volts control unless otherwise specified. 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 ...
Page 2
... Digital Attenuator, 1 Bit Step 2.0 GHz Ordering Information Part Number AT-266 SOT-25 Plastic Package AT-266TR Forward Tape and Reel AT-266RTR Reverse Tape and Reel 1. Refer to Application Note M513 for reel size information. Typical Performance Curves Insertion Loss vs. Frequency Over Temperature (Negative Control) 1 ...