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參數(shù)資料
| 型號： | AT-267TR-3000 |
| 元件分類： | 衰減器 |
| 英文描述： | 0 MHz - 2000 MHz RF/MICROWAVE VARIABLE ATTENUATOR, 0.5 dB INSERTION LOSS-MAX |
| 封裝： | PLASTIC, MO-178AA, SOT-25, 5 PIN |
| 文件頁數(shù)： | 2/3頁 |
| 文件大?。?/td> | 218K |
| 代理商： | AT-267TR-3000 |
Digital Attenuator, 1-Bit, 15 dB
DC-2.0 GHz
AT-267
M/A-COM Inc. and its affiliates reserve the right to make changes to the
product(s) or information contained herein without notice. M/A-COM makes
no warranty, representation or guarantee regarding the suitability of its
products for any particular purpose, nor does M/A-COM assume any liability
whatsoever arising out of the use or application of any product(s) or
information.
North America Tel: 800.366.2266 / Fax: 978.366.2266
Europe Tel: 44.1908.574.200 / Fax: 44.1908.574.300
Asia/Pacific Tel: 81.44.844.8296 / Fax: 81.44.844.8298
Visit www.macom.com for additional data sheets and product information.
V4
2
Truth Table 4,5
Mode
(Control)
V1
V2
Attenuation
Positive 4
0 ± 0.2V
+2.5V to +5V
0 ± 0.2V
15 dB
Reference State
Negative 5
0 ± 0.2V
-2.5V to -5V
0 ± 0.2V
Reference State
15 dB
4. External DC blocking capacitors are required as noted.
5. If negative control is used, DC blocking capacitors are not
required on RF ports and ground.
Electrical Specifications3: TA = 25°C, VC = +2.5 Volts, Z0 = 50
Positive Control Voltage Schematic
5
4
1
3
2
39 pF
SOT-25
Parameter
Test Conditions
Units
Min
Typ
Max
Insertion Loss
(Reference State)
1.0 GHz
2.0 GHz
dB
—
0.3
0.4
0.5
Attenuation
1.0 GHz
2.0 GHz
dB
14.6
14.4
15.1
14.9
15.6
15.4
VSWR
1.0 GHz
2.0 GHz
Ratio
—
1.2:1
1.3:1
—
Input IP3
1.0 GHz
Insertion Loss State
Attenuation State
dBm
40
50
—
P1dB
1.0 GHz
Insertion Loss State
Attenuation State
dBm
24
20
26
23
—
Control Current
—
A
—
10
Trise, Tfall
10% to 90% RF, 90% to 10% RF
nS
—
29
—
Ton, Toff
50% Control to 90% RF,
50% Control to 10% RF
nS
—
50
—
Transients
In-band
mV
—
10
—
3. For positive voltage control, external DC blocking capacitors are required on all RF ports (pins 1, 2 and 3).
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