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PDF AT90-0283TR Data sheet ( Hoja de datos )
| Número de pieza | AT90-0283TR | |
| Descripción | Digital Attenuator/ 15.5 dB/ 5-Bit/ TTL Driver/ DC-3.5 GHz | |
| Fabricantes | Tyco Electronics | |
| Logotipo |  |
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Digital Attenuator, 15.5 dB, 5-Bit,
TTL Driver, DC-3.5 GHz
V 6.00
Features
n Attenuation: 0.5 dB Steps to 15.5 dB
n Low DC Power Consumption
n Small Footprint, JEDEC Package
n Integral TTL Driver
n 50 ohm Impedance
n Test Boards are Available
n Tape and Reel Packaging Available
Description
M/A-COM's AT90-0283 is a GaAs FET 5-bit digital
attenuator with integral TTL driver. Step size is 0.5 dB
providing a 15.5 dB total attenuation range. This device is
in an FQFP-N plastic surface mount package. The AT90-
0283 is ideally suited for use where accuracy, fast speed,
very low power consumption and low costs are required.
CSP-1
Electrical Specifications TA = +25°C
Parameter
Test Conditions
Frequency Units Min Typical
Max
Insertion Loss
Attenuation
Accuracy
VSWR
—
Individual Bits 0.5-1-4-8 dB
Individual Bit 2 dB
Any Combination of Bits
1 to 15.5 dB
Full Range
DC - 3.5 GHz
DC - 3.5 GHz
DC - 3.5 GHz
DC - 3.5 GHz
dB
dB
dB
dB
DC - 3.5 GHz Ratio
—
—
—
—
—
2.8
—
—
—
1.6:1
3.2
±(.3 +5% of atten setting)
±(.4 +10% of atten setting)
±(.5 +7% of atten setting)
1.8:1
Switching Speed
50% Cntl to 90%/10% RF
10% to 90% or 90% to 10%
1 dB Compression
—
—
Input IP3
Two-tone inputs up to +5 dBm
+Vcc
-Vee
Logic “0”
—
—
Sink Current is 20 µA max.
—
—
50 MHz
0.5 - 3.5 GHz
50 MHz
0.5-3.5 GHz
—
—
—
nS
nS
dBm
dBm
dB
dB
V
V
V
—
—
—
—
—
—
4.75
-8.0
0.0
75
20
+21
+29
+35
+48
5.0
-5.0
—
150
50
—
—
—
—
5.25
-4.75
0.8
Logic “1”
Source Current is 20 µA max.
—
V 2.0
—
5.0
Icc
Vcc min to max,
—
mA —
0.2
Logic “0” or “1”
-Iee
-Vee min to max,
—
mA —
-0.2
Logic “0” or “1”
6
-1
1 page  
Digital Attenuator, 15.5 dB, 5-Bit, TTL Driver, DC - 3.5 GHz
Typical Performance Curves
AT90-0283
V 6.00
VSWR, 8 dB Bit
Input
1.6
Output
1.4
1.2
1.0
0
500 1000 1500 2000 2500 3000 3500
Frequency (MHz)
Ordering Information
Part Number
AT90-0283
AT90-0283TR
AT90-0283-TB
Package
Bulk Packaging
Tape and Reel (1K Reel)
Units Mounted on Test Board
VSWR, Maximum Attenuation
Input
Output
1.8
1.6
1.4
1.2
1.0
0
500 1000 1500 2000 2500 3000 3500
Frequency (MHz)
Specifications subject to change without notice.
n North America: Tel. (800) 366-2266
n Asia/Pacific: Tel.+81-44-844-8296, Fax +81-44-844-8298
n Europe: Tel. +44 (1344) 869 595, Fax+44 (1344) 300 020
Visit www.macom.com for additional data sheets and product information.
5
5 Page | ||
| Páginas | Total 5 Páginas | |
| PDF Descargar | [ Datasheet AT90-0283TR.PDF ] | |
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