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PDF AV105-12 Data sheet ( Hoja de datos )

Número de pieza AV105-12
Descripción GaAs IC 35 dB Voltage Variable Attenuator Single Positive Control 0.5-2.5 GHz
Fabricantes Alpha Industries 
Logotipo Alpha Industries Logotipo



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GaAs IC 35 dB Voltage Variable Attenuator
Single Positive Control 0.5–2.5 GHz
Features
s Single Positive +5 V Control Voltage
s 35 dB Attenuation Range @ 0.9 GHz
s Excellent Linearity Performance
Description
The AV105-12 GaAs IC FET voltage variable attenuator
provides 35 dB attenuation range at 900 MHz controlled
by a single positive voltage. The VVA has a linear transfer
curve of 8 dB/V slope, with input and output VSWR better
than 1.4:1 over all states. Its attenuation range at 1900
MHz is 31 dB. It operates with supply voltage of +5 V and
control voltage of 0 V to +5 V in a low cost SOIC-8
package. The RF ports require 25 pF DC blocking
capacitors.
SOIC-8
PIN 8
PIN 1
INDICATOR
PIN 1
0.068
(1.73 mm) MAX.
0.197 (5.00 mm)
0.189 (4.80 mm)
0.010 (0.25 mm)
0.004 (0.10 mm)
Preliminary
AV105-12
0.050 (1.27 mm) BSC
0.244 (6.20 mm)
0.228 (5.80 mm)
0.020 (0.51 mm) MAX.
0.049
(1.24 mm)
0.016
(0.41 mm)
0.016 MAX.
(0.41 mm) x
45˚ CHAMFER
MAX.
0.158 (4.00 mm)
0.150 (3.80 mm)
0.010 (0.25 mm)
0.007 (0.17 mm)
Electrical Specifications at 25°C (VS = 5 V)
Parameter1
Insertion Loss (VC = 5 V)
Maximum Attenuation (VC = 0 V)2
VSWR (I/O)3
Frequency
0.5–1.0 GHz
1.0–2.0 GHz
2.0–2.5 GHz
0.5–0.8 GHz
0.8–1.0 GHz
1.0–1.7 GHz
1.7–2.0 GHz
2.0–2.5 GHz
0.5–2.5 GHz
Min.
25
35
32
28
26
Typ.
2.8
3.2
3.5
33
38
35
31
30
1.8:1
Max.
3.1
3.6
3.8
Unit
dB
dB
dB
dB
dB
dB
dB
dB
Operating Characteristics at 25°C (VS = 5 V)
Parameter
Condition
Frequency Min.
Typ. Max. Unit
Switching Characteristics
Intermodulation Intercept Point (IIP3)3
Rise, On (10/90% or 50% CTL to 90% RF)
Fall, Off (90/10% RF or 50% CTL to 10% RF)
For Two-tone Input Power +0 dBm
0.9 GHz
350 nS
250 nS
15 dBm
Control Voltage (VC)
Supply Voltage (VS)
Control Current (IC)
Supply Current (IS)
1. All measurements made in a 50 system, unless otherwise specified.
2. Maximum attenuation includes insertion loss.
3. For worst case state.
0.0 VS
5.0
V
V
800 µA
800 µA
Alpha Industries, Inc. [781] 935-5150 Fax [617] 824-4579 Email [email protected] www.alphaind.com
Specifications subject to change without notice. 3/99A
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