AV103-12 ALPHA | Alldatasheet

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Technical content

Features

I Single Positive +5 V Control Voltage I 35 dB Attenuation Range @ 0.9 GHz I Less Than ±1 dB Attenuation Change Over Temperature I Excellent Linearity Performance SOIC-8 AV103-12 0.049 (1.24 mm) 0.016 (0.41 mm) 0.016 MAX. (0.41 mm) x 45˚ CHAMFER PIN 1 0.197 (5.00 mm) 0.189 (4.80 mm) 0.068 (1.73 mm) MAX. 0.010 (0.25 mm) 0.004 (0.10 mm) 0.010 (0.25 mm) 0.007 (0.17 mm) 0.158 (4.00 mm) 0.150 (3.80 mm) MAX. 0.020 (0.51 mm) MAX. 0.244 (6.20 mm) 0.228 (5.80 mm) 0.050 (1.27 mm) BSCPIN 8 PIN 1 INDICATOR

Description

The AV103-12 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 9 dB/V slope, with input and output VSWR better than 2.1:1 over all states. Its attenuation range at 1900 MHz is 33 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 100 pF DC blocking capacitors. Parameter1 Frequency Min. Typ. Max. Unit Insertion Loss (VC = 5 V) 0.5–1.0 GHz 2.5 2.7 dB 1.0–2.0 GHz 2.8 3.0 dB 2.0–2.5 GHz 3.2 3.4 dB Maximum Attenuation (VC = 0 V)2 0.5–0.8 GHz 28 32 dB 0.8–1.0 GHz 31 35 dB 1.0–1.7 GHz 30 34 dB 1.7–2.0 GHz 29 33 dB 2.0–2.5 GHz 28 32 dB VSWR (I/O)3 0.5–2.5 GHz 2.1:1 Electrical Specifications at 25°C (VS = 5 V) Operating Characteristics at 25°C (VS = 5 V) 1. All measurements made in a 50 Ω system, unless otherwise specified. 2. Maximum attenuation includes insertion loss. 3. For worst case state. Preliminary

2 Alpha Industries, Inc. [781] 935-5150 • Fax [617] 824-4579 • Email sales@alphaind.com • www.alphaind.com Specifications subject to change without notice. 12/99A GaAs IC 35 dB Voltage Variable Attenuator Single Positive Control 0.5–2.5 GHz AV103-12 2.52.0 Frequency (GHz) Insertion Loss vs. Frequency Insertion Loss (dB) 0.5 1.0 1.5 VC Attenuation vs. Control Voltage 0.5 Attenuation (dB) Frequency (GHz) Maximum Attenuation vs. Frequency Attenuation (dB) Typical Performance Data @ 0.9 GHz (Unless Otherwise Specified) VC VSWR vs. Control Voltage 2.0 2.2 2.4 0.5 1.8 1.6 1.4 1.2 1.0 VSWR Input VSWR Output VSWR VC Input IP3 vs. Control Voltage 0.5 IIP3 (dBm) VC Attenuation vs. Control Voltage Over Temperature 0.5 Attenuation (dB) +70˚C +85˚C -20˚C Attenuation Normalized to 25˚C

Alpha Industries, Inc. [781] 935-5150 • Fax [617] 824-4579 • Email sales@alphaind.com • www.alphaind.com 3 Specifications subject to change without notice. 12/99A GaAs IC 35 dB Voltage Variable Attenuator Single Positive Control 0.5–2.5 GHz AV103-12 1234 8765GND GND 20 k GND VS VC GND CBL CBL Characteristic Value RF Input Power 50 mW > 500 MHz Supply Voltage +4 to +8 V Control Voltage -0.2 V, +6.5 V (Do not allow control voltage to exceed VS voltage.) Operating Temperature -55 °C to +125°C Storage Temperature -65 °C to +150°C ΘJC 25°C/W Absolute Maximum Ratings Pin Out DC blocking capacitors (CBL) supplied externally. CBL = 100 pF for operation >500 MHz. Note: Exceeding these parameters may cause irreversible damage.