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參數(shù)資料
| 型號(hào)： | AT-273-TR |
| 元件分類： | 衰減器 |
| 英文描述： | 0 MHz - 2000 MHz RF/MICROWAVE VARIABLE ATTENUATOR, 1.9 dB INSERTION LOSS-MAX |
| 封裝： | CERAMIC, CR-11, 16 PIN |
| 文件頁數(shù)： | 1/2頁 |
| 文件大小： | 205K |
| 代理商： | AT-273-TR |
Digital Attenuator, 32 dB, 2-Bit,
TTL Driver, DC - 2.0 GHz
AT
-273
CR-11
V 7.00
Electrical Specifications: TA = 25°C
Parameter
Test Conditions
Frequency
Units
Min
Typ
Max
Insertion Loss
—
DC - 0.5 GHz
DC - 1.0 GHz
DC - 2.0 GHz
dB
—
1.6
1.7
1.9
Attenuation Accuracy
C1 Bit
Full Attenuation (32 dB)
DC - 2.0 GHz
DC - 0.5 GHz
DC - 1.0 GHz
DC - 2.0 GHz
± 3% of attenuation setting in dB
± 3% of attenuation setting in dB, -1 dB
± 3% of attenuation setting in dB, -3 dB
VSWR
Full Range
DC - 2.0 GHz
Ratio
—
1.6:1
Trise, Tfall
10% to 90%
—
ns
—
7
—
Ton, Toff
50% Cntl to 90% / 10% RF
—
ns
—
28
—
Transients
In-Band (peak-to-peak)
—
mV
—
30
—
1 dB Compression
Input Power
0.05 GHz
0.5 - 2.0 GHz
dBm
—
+20
+28
—
Input IP3
Two-tone inputs up to +5 dBm
0.05 GHz
0.5 - 2.0 GHz
dBm
—
+38
+48
—
Input IP2
Two-tone inputs up to +5 dBm
0.05 GHz
0.5 - 2.0 GHz
dBm
—
+44
+68
—
Vcc
-Vee
—
V
4.5
-8.0
5.0
—
5.5
-5.0
Vctl
Logic (0) TTL
Logic (1) TTL
—
V
0.0
2.0
—
0.8
5.0
Features
n
Attenuation: 16.0 dB Steps to 32 dB
n
Low DC Power Consumption
n
Hermetic Surface Mount Package
n
Integral TTL Driver
n
50 ohm Impedance
n
Temperature Stability: ±0.18 dB from -55°C to +85°C
Typ.
n
Tape and Reel Packaging Available
Description
M/A-COM's AT-273 is a GaAs FET digital attenuator
with a 16.0 dB minimum step size and a 32 dB total
attenuation range. This attenuator and integral TTL driver
is in a hermetically sealed ceramic 16-lead surface mount
package. The AT-273 is ideally suited for use where
accuracy, fast switching, very low power consumption
and low intermodulation products are required. Typical
applications include dynamic range setting in precision
receiver circuits and other gain/leveling control circuits.
Environmental screening is available. Contact the factory
for information.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| AT-273 | 0 MHz - 2000 MHz RF/MICROWAVE VARIABLE ATTENUATOR, 1.9 dB INSERTION LOSS-MAX |
| AT-273TR | 0 MHz - 2000 MHz RF/MICROWAVE VARIABLE ATTENUATOR, 1.9 dB INSERTION LOSS-MAX |
| AT-273PIN | 0 MHz - 2000 MHz RF/MICROWAVE VARIABLE ATTENUATOR, 1.9 dB INSERTION LOSS-MAX |
| AT-280RTR | 0 MHz - 2000 MHz RF/MICROWAVE VARIABLE ATTENUATOR, 2 dB INSERTION LOSS-MAX |
| AT-280PIN | 0 MHz - 2000 MHz RF/MICROWAVE VARIABLE ATTENUATOR, 2 dB INSERTION LOSS-MAX |
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