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參數(shù)資料
| 型號： | AT-213 |
| 英文描述： | Digital Attenuator, 15 dB, 4-Bit, TTL Driver, DC - 3 GHz |
| 中文描述： | 數(shù)字衰減器，15分貝，4位的TTL驅動器，DC - 3千兆赫 |
| 文件頁數(shù)： | 1/3頁 |
| 文件大小： | 224K |
| 代理商： | AT-213 |
Digital Attenuator, 15 dB, 4-Bit,
T T L Driver, DC - 3 GHz
A
CR-11
V 3.00
Features
I
Attenuation: 1 dB steps to 15 dB
I
Temperature Stability: ± 0.18 dB from –55°C to +85°C
Typical
I
Low DC Power Consumption
I
Hermetic Surface Mount Package
I
Integral TTL Driver
I
50 Ohms Nominal Impedance
Description
M/A-COM’s AT-213 is a 4-bit, 1 dB step digital attenuator
in a hermetically sealed ceramic 16-lead surface mount
package. The AT-213 is ideally suited for use where high
accuracy, fast switching, very low power consumption and
low intermodulation products are required. Typical
applications include dynamic range setting in a precision
receiver circuits and other gain/leveling control circuits.
Environmental screening is available. Contact the factory
for information.
Electrical Specifications: T
A
= -55°C to +85°C
1
Parameter
Test Conditions
Frequency
Units
Min
Typ
Max
Reference Insertion Loss
—
DC - 0.5 GHz
DC - 1.0 GHz
DC - 2.0 GHz
DC - 3.0 GHz
dB
dB
dB
dB
—
—
—
—
—
—
—
—
1.7
1.9
2.2
2.5
Attenuation Accuracy
2
Any Single Bit
Any Combination of Bits
DC - 2.0 GHz
DC - 3.0 GHz
DC - 2.0 GHz
DC - 3.0 GHz
± (0.15 dB +3% of atten setting in dB) dB
± (0.2 dB +3% of atten setting in dB) dB
Or ± 0.4 dB, whichever is greater
± (0.2 dB +3% of atten setting in dB) dB
± (0.2 dB +3% of atten setting in dB) dB
Or ± 0.4 dB, whichever is greater
VSWR
—
—
Ratio
—
—
1.6:1
Trise, Tfall
10% to 90%
—
ns
—
9
—
Ton, Toff
50% Control to 90/10% RF
—
ns
—
40
—
Transients
In-Band (peak-peak)
—
mV
—
30
—
1 dB Compression
Input Power
Input Power
0.05 GHz
0.5 - 3.0 GHz
dBm
dBm
—
—
+22
+28
—
—
Input IP3
For two-tone Input Power
Up to +5 dBm
0.05 GHz
0.5 - 3.0 GHz
dBm
dBm
—
—
+40
+50
—
—
Input IP2
For two-tone Input Power
Up to +5 dBm
0.05 GHz
0.5 - 3.0 GHz
dBm
dBm
—
—
+45
+68
—
—
Vcc
—
—
V
4.5
5.0
5.5
Vee
—
—
V
-8.0
—
-5.0
1. All specifications apply when operated with bias voltages of +5V for Vcc and –5.0V for Vee.
2. This attenuator is guaranteed monotonic.
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