GaAs IC 35 dB Voltage Variable Attenuator Single Positive 3 V Control 0.5-2.5 GHz
Preliminary
GaAs IC 35 dB Voltage Variable Attenuator Single Positive 3 V Control 0.5–2.5 GHz
AV108-59 Features
s Singl...
Description
Preliminary
GaAs IC 35 dB Voltage Variable Attenuator Single Positive 3 V Control 0.5–2.5 GHz
AV108-59 Features
s Single Positive +3 V Control Voltage s 35 dB Attenuation Range @ 0.9 GHz s Excellent Linearity Performance
PIN 1 INDICATOR
MSOP-8
0.0256 (0.65 mm) TYP.
0.118 (3.00 mm) ± 0.004 (0.1 mm) SQ.
0.193 (4.90 mm) REF.
Description
The AV108-59 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 12 dB/V slope, with input and output VSWR better than 2:1 over all states. Its attenuation range at 1900 MHz is 25 dB. It operates with supply voltage of +3 V and control voltage of 0 V to +3 V in a low cost MSOP-8 package. The RF ports require 25 pF DC blocking capacitors.
PIN 1
0.012 (0.30 mm)
+ 0.006 (0.15 mm) - 0.002 (0.05 mm)
7.0˚ 0.038 (0.95 mm) TYP. 0.030 (0.75 mm)
0.017 (0.43 mm)
0.007 (0.18 mm) ± 0.005 (0.12 mm)
8.0˚ MAX.
0.006 (0.15 mm) 0.002 (0.05 mm)
0.028 (0.70 mm) 0.016 (0.40 mm)
Electrical Specifications at 25°C (VS = 3 V)
Parameter1 Insertion Loss (VC = 0 V) Frequency 0.5–1.0 GHz 1.0–2.0 GHz 2.0–2.5 GHz 0.5–0.8 0.8–1.0 1.0–1.7 1.7–2.0 2.0–2.5 GHz GHz GHz GHz GHz 25 34 28 25 23 Min. Typ. 3.4 3.5 3.8 32 37 33 30 26 1.8:1 Max. 3.6 3.8 4.2 Unit dB dB dB dB dB dB dB dB
Maximum Attenuation (VC = 3 V)2
VSWR (I/O)3
0.5–2.5 GHz
Operating Characteristics at 25°C (VS = 3 V)
Parameter1 Switching Characteristics Intermodulation Intercept Point (IIP3)3...
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