Datasheet SGA-4563 Datasheet (Stanford Microdevices)

Page 1

Product Description

Stanford Microdevices SGA-4563 is a high performance cascadeable 50-ohm amplifier designed for operation at voltages as low as 3.4V. This RFIC uses the latest Silicon Germanium Heterostructure Bipolar Transistor (SiGe HBT) process featuring 1 micron emitters with FT up to 50 GHz.

This circuit uses a Darlington pair topology with resistive feedback for broadband performance as well as stability over its entire temperature range. Internally matched to 50 Ohm impedance, the SGA-4563 requires only DC blocking and bypass capacitors for external components.

Preliminary

SGA-4563

DC-2500 MHz, Silicon Germanium Cascadeable Gain Block

Small Signal Gain vs. Frequency

Product Features

 DC-2500 MHz Operation  Single Voltage Supply  Low Current Draw: 45mA at 3.5V typ.

25C

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0.1 1 1.9 2.8 3.7 4.6

Frequency GHz

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The information provided herein is believed to be reliable at press time. Stanford Microdevices assumes no responsibility for inaccuracies or omissions. Stanford Microdevices assumes no responsibility for the use of this information, and all such information shall be entirely at the users own risk. Prices and specifications are subject to change without notice. No patent rights or licenses to any of the circuits described herein are implied or granted to any third party. Stanford Microdevices does not authorize or warrant any Stanford Microdevices product for use in life-support devices and/or systems. Copyright 2001 Stanford Microdevices, Inc. All worldwide rights reserved.

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Phone: (800) SMI-MMIC http://www.stanfordmicro.com726 Palomar Ave., Sunnyvale, CA 94085

 High Output Intercept: 26 dBm typ. at 1950MHz

Applications

 Oscillator Amplifiers  Broadband Gain Blocks  IF/RF Buffer Amplifiers

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Page 2

SGA-4563 DC-2.5 GHz 3.5V SiGe Amplifier

Absolute Maximum Ratings

Preliminary

Operation of this device above any one of these parameters may cause permanent damage.

Bias Conditions should also satisfy the following expression: IDVD (max) < (TJ - TOP)/Rth,j-l

Key parameters, at typical operating frequencies:

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