UPC2748T datasheet(1/5 Pages) NEC

Part #	UPC2748T

Description	3 V, 900 MHz LOW NOISE SI MMIC AMPLIFIER

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Manufacturer	NEC [NEC]

Direct Link	http://www.nec.com/

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• 2.8 dB NOISE FIGURE

• LOW VOLTAGE - LOW CURRENT: 6 mA at 3 V

• LOW POWER CONSUMPTION: 18 mW TYP

• SUPER SMALL PACKAGE

• TAPE AND REEL PACKAGING OPTION AVAILABLE

FEATURES

DESCRIPTION

3 V, 900 MHz

LOW NOISE SI MMIC AMPLIFIER

UPC2748T

The UPC2748T is a Silicon Monolithic integrated circuit which

is manufactured using the NESAT III process. The NESAT III

process produces transistors with fT approaching 20 GHz.

This amplifier was designed for 900 MHz receivers in cellular

and cordless telephone applications. Operating on a 3 volt

supply (1.8 volt minimum) this IC is ideally suited for hand-

held, portable designs.

NEC's stringent quality assurance and test procedures en-

sure the highest reliability and performance.

NOISE FIGURE AND

GAIN vs. FREQUENCY

VCC = 3.0 V, ICC = 6mA

Frequency, f (MHz)

ELECTRICAL CHARACTERISTICS (TA = 25°C, ZL = ZS = 50 Ω)

PART NUMBER

UPC2748T

PACKAGE OUTLINE

TO6

SYMBOLS

PARAMETERS AND CONDITIONS

UNITS

MIN

TYP

MAX

ICC

Circuit Current (no signal)

VCC = 3.0 V

mA

4.5

6.0

8.0

VCC = 1.8 V

mA

3.5

GS

Small Signal Gain,

f = 900 MHz, VCC = 3.0 V

dB

16

19

21

f = 900 MHz, VCC = 1.8 V

dB

11.5

fL1

Lower Limit Operating Frequency, VCC = 3.0 V

GHz

0.2

0.4

VCC = 1.8 V

GHz

0.2

fU2

Upper Limit Operating Frequency, VCC = 3.0 V

GHz

1.2

1.5

VCC = 1.8 V

GHz

1.5

PSAT

Saturated Output Power,

f = 900 MHz, , VCC = 3.0 V

dBm

-6

-3.5

f = 900 MHz, VCC = 1.8 V

dBm

-10

NF

Noise Figure,

f = 900 MHz, VCC = 3.0 V

dB

2.8

4.0

f = 900 MHz, VCC = 1.8 V

dB

4.5

RLIN

Input Return Loss,

f = 900 MHz, VCC = 3.0 V

dB

8.5

11.5

f = 900 MHz, VCC = 1.8 V

dB

10

RLOUT

Output Return Loss,

f = 900 MHz, VCC = 3.0 V

dB

5.5

8.5

f = 900 MHz, VCC = 1.8 V

dB

12

ISOL

Isolation,

f = 900 MHz, VCC = 3.0 V

dB

35

40

f = 900 MHz, VCC = 1.8 V

dB

34

OIP3

SSB OutputThird Order Intercept,

f1 = 500 MHz, f2 = 510 MHz, VCC = 3.0 V

dBm

-1

f1 = 900 MHz, f2 = 902 MHz, VCC = 3.0 V

dBm

-2

f1 = 1000 MHz, f2 = 1010 MHz, VCC = 3.0 V

dBm

-2

f1 = 900 MHz, f2 = 902 MHz, VCC = 1.8 V

dBm

-6

RTH (J-A)

Thermal Resistance (Junction to Ambient)

Free Air

°C/W

620

Mounted on a 50 x 50 x 1.6 mm epoxy glass PWB

°C/W

230

Notes:

1.The gain at fL is 3 dB down from the gain at 900 MHz.

2.The gain at fU is 3 dB down from the gain at 900 MHz.

Calfornia Eastern Laboratories

GS

NF

0

1000

2000

20

18

16

14

4.0

3.5

3.0

2.5

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