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PDF AA103-72 Data sheet ( Hoja de datos )
| Número de pieza | AA103-72 | |
| Descripción | GaAs IC 1 Bit Digital Attenuator 10 dB LSB DC-2.5 GHz | |
| Fabricantes | Alpha Industries | |
| Logotipo |  |
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GaAs IC 1 Bit Digital Attenuator
10 dB LSB DC–2.5 GHz
AA103-72
Features
s Attenuation Cutback of 10 dB
s Single Positive 3 V Control
s Low Loss
s Low Cost SOT-5 Plastic Package
Description
The AA103-72 is a 1 bit GaAs IC FET digital attenuator
in a low cost package. This attenuator has an LSB of
10 dB. The AA103-72 is particularly suited where high
attenuation accuracy, low insertion loss and low
intermodulation products are required. Typical applications
include cellular radio, wireless data, and wireless local loop
gain level control circuits.
SOT-5
0.074
(1.90 mm)
REF.
PIN 1
0.069
(1.75 mm)
0.052
(1.30 mm)
0.118
(3.00 mm)
0.087
(2.20 mm)
0.020 (0.51 mm)
0.014 (0.35 mm)
0.012
(0.30 mm)
0.000
(0.00 mm)
MIN.
0.064 (1.63 mm)
0.035 (0.90 mm)
0.037 (0.95 mm) REF.
0.012 (0.30 mm) TYP.
0.024
(0.61 mm)
0.004
(0.10 mm)
0.122 (3.10 mm)
0.106 (2.70 mm)
0.0104 (0.26 mm)
0.0035 (0.09 mm) MIN.
Electrical Specifications at 25°C (0, +3 V)
Insertion Loss2
Parameter1
Attenuation Range
Attenuation Accuracy3
VSWR (I/O)
Frequency
DC–0.5 GHz
DC–1.0 GHz
DC–2.5 GHz
DC–1.0 GHz
DC–2.5 GHz
DC–2.5 GHz
Min. Typ.
Max.
0.3 0.5
0.3 0.6
0.4 0.7
10
± (0.25 + 3% of
Attenuation Setting in dB)
± (0.4 + 5% of
Attenuation Setting in dB)
1.2:1
1.4:1
Unit
dB
dB
dB
dB
dB
dB
Operating Characteristics at 25°C (0, +3 V)
Parameter
Switching Characteristics4, 5
Condition
Rise, Fall (10/90% or 90/10% RF)
On, Off (50% CTL to 90/10% RF)
Video Feedthru
Frequency
Input Power for 1 dB Compression
Intermodulation Intercept Point (IP3)
Control Voltages
VS = +3 V
VS = +5 V
0.5–2.5 GHz
0.5–2.5 GHz
For Two-tone Input Power +10 dBm
VS = +3 V
VS = +5 V
0.5–2.5 GHz
0.5–2.5 GHz
VLow = 0 to 0.2 V
VHigh = +3 V @ 25 µA Typ. to +5 V @ 50 µA Typ.
1. All measurements made in a 50 Ω system, unless otherwise specified.
2. Insertion loss changes by 0.003 dB/°C.
3. Maximum attenuation includes insertion loss.
4. Video feedthru measured with 1 ns risetime pulse and 500 MHz bandwidth.
5. Switching characteristics will vary with value chosen for CBP.
Min.
Typ.
150
300
70
+20
+26
+41
+45
Max.
Unit
ns
ns
mV
dBm
dBm
dBm
dBm
Alpha Industries, Inc. [781] 935-5150 • Fax [617] 824-4579 • Email [email protected] • www.alphaind.com
Specifications subject to change without notice. 04/00A
1
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