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參數(shù)資料
| 型號： | AT20-0107-TR |
| 英文描述： | Digital Attenuator， 31.5 dB， 6-Bit， TTL Driver DC-2GHz |
| 中文描述： | 數(shù)字衰減器，31.5分貝，6位，TTL電驅(qū)動的DC - 2GHz的 |
| 文件頁數(shù)： | 1/3頁 |
| 文件大?。?/td> | 161K |
| 代理商： | AT20-0107-TR |
Digital Attenuator, 31.5 dB, 6-Bit, TTL Driver
DC - 2.0 GHz
AT20-0107
North America:
Tel. (800) 366-2266, Fax (800) 618-8883
Asia/Pacific:
Tel.+81-44-844-8296, Fax +81-44-844-8298
Europe:
Tel. +44 (1344) 869 595, Fax+44 (1344) 300 020
Specifications subject to change without notice.
Visit www.macom.com for additional data sheets and product information.
V 3.00
Features
Attenuation: 0.5 dB Steps to 31.5 dB
1
Temperature Stability: ±0.18 dB from –40oC to +85oC Typ.
Low DC Power Consumption
Surface Mount Package
Integral TTL Driver
High Intercept Point
Low Cost/High Performance
Description
M/A-COM's AT20-0107 is a GaAs FET 6-bit digital attenuator with
a 0.5 dB minimum step size and a 31.5 dB total attenuation. This at-
tenuator and integral TTL driver is in a ceramic 24-lead surface
mount package. The AT20-0107 is ideally suited for use where
accuracy, fast speed, very low power consumption and low inter-
modulation products are required. Typical applications include dy-
namic range setting in precision receiver circuits and other gain/
leveling control circuits. Available with enhanced performance as
fully hermetic version. Environmentally screenable as P/N AT-107.
Electrical Specifications
3
T
A
= +25°C
Parameter
Test Conditions
Frequency
Units
Min
Typical
Max
Insertion Loss
—
—
—
DC - 0.5 GHz
DC - 1.0 GHz
DC - 2.0 GHz
dB
dB
dB
—
—
—
2.5
2.9
3.2
3.0
3.4
3.8
Attenuation Accuracy
4,5
Any Bit or Combination of Bits
DC - 2.0 GHz
dB
—
—
+(.3 +7% of atten.)
-(.2 +1% of atten.)
VSWR
Full Range
DC - 2.0 GHz
Ratio
—
—
1.8:1
Trise, Tfall
Ton, Toff
10% to 90%
50% Control to 90%/10% RF
nS
nS
—
—
50
150
—
—
3.
All specifications apply when operated with bias voltages of +5V
for V
and –5.0 V to –8.0 V for V
EE
and 50
impedance at all
ports unless otherwise stated.
4. This attenuator is guaranteed monotonic.
5. For the attenuator to meet the guaranteed specifications, it is nec-
essary to have a DC return on either RF1 or RF2. The DC return
can be either a 10K
resistor, or an RF choke.
6. V
EE
= -5 V for the typical numbers given.
Ordering Information
Part Number
Package
AT20-0107
AT20-0107-TR
AT20-0107-TB
Bulk Packaging
Tape and Reel
2
Unit mounted on a test board
2. Check with the factory for available quantities and reel size.
CR-13
1.
Above reference insertion loss.
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