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參數(shù)資料
| 型號： | AT-242TR |
| 英文描述： | Digital Attenuator, 3 Bit, Single Control 28 dB, 0.5 - 2 GHz |
| 中文描述： | 數(shù)字衰減器，3位，單控制28分貝，0.5 - 2千兆赫 |
| 文件頁數(shù)： | 1/2頁 |
| 文件大?。?/td> | 66K |
| 代理商： | AT-242TR |
Digital Attenuator, 3 Bit, Single Control, 28 dB, 0.5 - 2 GHz
AT-242
AT-242
M/A-COM Division of AMP Incorporated
Q
North America: Tel. (800) 366-2266, Fax (800) 618-8883
Q
Asia/Pacific: Tel.+85 2 2111 8088, Fax +85 2 2111 8087
Q
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.
V2.00
Features
Single Control CMOS Logic for each bit
Positive Supply +3 to +5 Volts
Low Cost SOIC-8 Plastic Package
Tape and Reel Packaging Available
SOIC-8
1
Electrical Specifications: T
A
= +25°C
Parameter
Reference Insertion Loss
1, 2
Digital Attenuator, 3 Bit, Single Control
28 dB, 0.5 - 2 GHz
Test Conditions
Units
dB
dB
Min.
Typ.
1.4
1.7
Max.
1.6
1.9
0.5 - 1.0 GHz
0.5 - 2.0 GHz
0.5 - 1.0 GHz ± (0.15 dB +3% of Attenuation Setting in dB) dB
0.5 - 2.0 GHz ± (0.3 dB = +8% of Attenuation Setting in dB) dB
0.5 - 1.0 GHz
0.5 - 2.0 GHz
Input Power (Vs = +5V) 900 MHz
10% to 90% RF, 90% to 10% RF
50% Control to 90% RF, Control to 10% RF
In-band
Measured Relative to Input Power
2
Measured Relative to Input Power
2
Attenuation Accuracy
VSWR
1.3:1
1.6:1
25
290
300
260
75
45
±0.8
±1.5
P
1dB
T
rise
,
T
fall
T
on
,
T
off
T
ransients
IP
2
IP
3
dBm
μ
S
μ
S
mV
dBm
dBm
Description
M/A-COM’s AT-242 is a 3 bit, 4 dB step GaAs MMIC digital
attenuator in a low cost SOIC 8-lead surface mount plastic
package. The AT-242 is ideally suited for use where high
accuracy, very low power consumption and low intermodula-
tion products are required. Typical applications include radio,
cellular, wireless LANs, GPS equipment and automatic gain/
level control circuits.
The AT-242 is fabricated with a GaAs MMIC using a mature
1-micron process. The process features full chip passivation for
increased performance and reliability.
Ordering Information
Part Number
AT-242
AT-242TR
Package
SOIC-8 Lead Plastic
Forward Tape and Reel
1
1. If specific reel size is required, consult factory for part number
assignment.
1.
All measurements at 1 GHz 5Vdc in a 50
system unless otherwise specified. The RF ports must be blocked out side of the package from
ground or any other voltage. Insertion Loss varies at 0.003 dB/°C.
For two-tone input power up to +10 dBm
2.
Parameter
Absolute Maximum
Maximum Input Power
50 MHz
500 - 2000 MHz
Supply Voltage
Control Voltage
Operating Temperature
Storage Temperature
+27 dBm
+34 dBm
-1V, +8V
-1V, Vsupply +0.5V
-40°C to +85°C
-65°C to +150°C
Absolute Maximum Ratings
1
1.
Exceeding any one or a combination of these limits may cause
permanent damage.
CHAMFER
(OPTIONAL)
(0.40/1.27)
.016/.050
0°/80°
-B-
BSC.
-C-
.010(.25)
C A
B
M
M
S
.050(1.27)
OMark
.1497/.1574
(3.80/4.00)
M
M B
.010(.25)
.2284/.2440
(5.80/6.20)
.(1.35/1.75)
.004(0.10)
.(.19/.25)
PIN 8
PIN 1
.013/.020 (8 PL)
(.33/.51)
.0040/.0098
(.10/.25)
.1890/.1968
(4.-A-
1. Dimensions are in inches/mm.
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| AT-246 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Digital Attenuator， 1Bit， Variable Step 10-20dB， DC-3000MHz |
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| AT-2460-TWT-PP-R | 制造商:PUI Audio 功能描述:- Tape and Reel |
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