Datasheet SGA-5263 Datasheet (Stanford Microdevices)

Product Description

Stanford Microdevices SGA-5263 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-5263 requires only DC blocking and
bypass capacitors for external components.

Preliminary

Preliminary

SGA-5263

DC-4500 MHz, Silicon Germanium
Cascadeable Gain Block

15

Small Signal Gain vs. Frequency

Product Features

 DC-4500 MHz Operation
 Single Voltage Supply

10

 Low Current Draw: 60mA at 3.4V typ.
 High Output Intercept: 29 dBm typ. at 1950MHz

dB

5

0

25C

-40C
85C

0.1 1 1.9 2.8 3.7 4.6 5.5

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 2000 Stanford Microdevices, Inc. All worldwide rights reserved.

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Phone: (800) SMI-MMIC http://www.stanfordmicro.com522 Almanor Ave., Sunnyvale, CA 94085

Applications

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

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Bd

3.61

0.51

0.41

5.23

3.92

3.72

3.31

6.21

3.21

3.81

2.91

5.91

EDS-101540 Rev A

SGA-5263 DC-4.5 GHz 3.4V SiGe Amplifier

Absolute Maximum Ratings

Preliminary

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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9.3

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0.33

4.61

5.32

0.81

9.3

3.31

5.23

3.61

4.12

3.81

0.4

6.21

3.92

0.51

2.02

2.91

0.4

3.21

3.72

0.41

0.32

5.91

8.11

1.32

6.11

6.42

6.91

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522 Almanor Ave., Sunnyvale, CA 94085

Phone: (800) SMI-MMIC

2

http://www.stanfordmicro.com

EDS-101540 Rev A

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Note: A bias resistor is needed for stability
over temperature.

50 ohm

microstrip

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Application Schematic

Cd1

Cb1

Cd2

1,2

3

4,5

Preliminary

Preliminary

SGA-5263 DC-4.5 GHz 3.4V SiGe Amplifier

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50 ohm

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522 Almanor Ave., Sunnyvale, CA 94085

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Phone: (800) SMI-MMIC

3

http://www.stanfordmicro.com

EDS-101540 Rev A

Preliminary

Preliminary

SGA-5263 DC-4.5 GHz 3.4V SiGe Amplifier

15

10

S21 vs. Temperature, ID = 60mA

dB

5

0

0.1 1 1.9 2.8 3.7 4.6 5.5

GHz

0

-10

dB

-20

-30

-40

0.1 1 1.9 2 .8 3.7 4.6 5.5

GHz GHz

25C

-40C
85C

25C

-40C
85C

0

-10

S12 vs. Temperature, ID = 60mA

dB

-20

-30

0.1 1 1.9 2.8 3.7 4.6 5.5

GHz

0

-10

dB

-20

-30

-40

0.1 1 1.9 2.8 3.7 4.6 5.5

S22 vs. Temperature, ID = 60mAS11 vs. Temperature, ID = 60mA

25C

-40C
85C

25C

-40C
85C

40

30

dBm

20

10

0

0.1 1 1.9 2.8 3.7

IP3 vs. Temperature, ID = 60mA

GHz

522 Almanor Ave., Sunnyvale, CA 94085

25C

-40C
85C

Phone: (800) SMI-MMIC

4

20

15

10

dBm

5

0

P1dB vs. Temperature, ID = 60mA

0.1 1 1.9 2.8 3.7

GHz

http://www.stanfordmicro.com

EDS-101540 Rev A

25C

-40C
85C

Preliminary

Preliminary

SGA-5263 DC-4.5 GHz 3.4V SiGe Amplifier

Caution: ESD sensitive

Appropriate precautions in handling, packaging and
testing devices must be observed.

Package Marking

A52

123

Package Dimensions

1.30 (0.051)

2.20 (0 .087)

2.00 (0 .079)

456

REF.

1.35 (0.053)

1.15 (0.045)

Part Number Ordering Information

rebmuNtraPeziSleeRleeR/seciveD

3625-AGS"70003

Note: Pin 1 is on lower left when you can
read package marking

Pad Layout

0.026

0.075

2.20 (0.087)

1.80 (0.071)

0.10 (0.004)

0.00 (0.00)

522 Almanor Ave., Sunnyvale, CA 94085

0.650 BSC (0.025)

1.00 (0.039)

0.80 (0.031)

0.25 (0.010)

0.15 (0.006)

DIMENSIONS ARE IN INCHES [MM]

Phone: (800) SMI-MMIC

10°

5

0.30 REF.

0.035

0.016

0.425 (0.017)
TYP.

0.20 (0.0080

0.10 (0.004)

0.30 (0.012)

0.10 (0.0040

http://www.stanfordmicro.com

EDS-101540 Rev A