SGA-5389 데이터 시트보기 (PDF) - Stanford Microdevices

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SGA-5389

DC-3200 MHz Silicon Germanium HBT Cascadeable Gain Block

Stanford Microdevices 

Product Description

Stanford Microdevices’ SGA-5389 is a high performance

cascadeable 50-ohm amplifier designed for operation at

voltages as low as 3.6V. This RFIC uses the latest Silicon

Germanium Heterostructure Bipolar Transistor (SiGe HBT)

process featuring 1 micron emitters with FT up to 50 GHz.

Preliminary

SGA-5389

DC-3200 MHz Silicon Germanium HBT

Cascadeable Gain Block

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-5389 requires only DC

blocking and bypass capacitors for external components.

20

15

dB 10

Small Signal Gain vs. Frequency

Product Features

• DC-3200 MHz Operation

• Single Voltage Supply

• High Output Intercept: +31.5 dBm typ. at 850 MHz

• Low Current Draw: 60mA at 3.6V typ.

• Low Noise Figure: 3.3 dB typ. at 850 MHz

5

Applications

0

• Oscillator Amplifiers

0

1

2

3

4

Frequency GHz

5

• PA for Low Power Applications

• IF/ RF Buffer Amplifier

• Drivers for CATV Amplifiers

Symbol

Parameters: Test Conditions:

Z0 = 50 Ohms, ID = 60 mA, T = 25oC

P1dB

Output Power at 1dB Compression

f = 850 MHz

f = 1950 MHz

f = 2400 MHz

Units

dBm

dBm

dBm

Min.

Typ.

16.3

15.0

14.1

Max.

IP3

Third Order Intercept Point

Power out per tone = 0 dBm

f = 850 MHz

f = 1950 MHz

f = 2400 MHz

dBm

dBm

dBm

31.5

28.1

26.6

S21

Small Signal Gain

f = 850 MHz

dB

f = 1950 MHz

dB

f = 2400 MHz

dB

16.9

15.8

15.4

Bandwidth 3dB Bandwidth

MHz

3200

S11

Input VSWR

S

Output VSWR

22

S12

Reverse Isolation

f = DC-5000 MHz

-

f = DC-5000 MHz

-

f = 850 MHz

dB

f = 1950 MHz

dB

f = 2400 MHz

dB

1.25:1

1.40:1

21.3

21.7

21.8

NF

Noise Figure, Z = 50 Ohms

S

f = 1950 MHz

dB

2.8

VD

Device Voltage

V

3.1

3.5

4.1

Rth,j-l Thermal Resistance (junction - lead)

o C/W

97

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 2000 Stanford Microdevices, Inc. All worldwide rights reserved.

522 Almanor Ave., Sunnyvale, CA 94086

Phone: (800) SMI-MMIC

http://www.stanfordmicro.com

1

Doc # EDS-100617 Rev.B

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