1

1

Rev. 10.3

BeRex

●website: www.berex.com

●email: sales@berex.com

Specifications and information are subject to change without notice. BeRex is a trademark of BeRex.

All other trademarks are the property of their respective owners. © 2021 BeRex

5-800 MHz Internally Matched IF Amplifier

BIF3

• OIP3 = 44.0 dBm @ 70 MHz

• Gain = 20.3 dB @ 70 MHz

• Output P1 dB = 23.5 dBm @ 70 MHz

• Patented over voltage protection

• RoHS2-compliant SOT-89 SMT package

BeRex’s BIF3 is a high performance InGaP/

GaAs HBT MMIC amplifier, internally

matched to 50 Ohms and uses a patented

over voltage protection circuit to protect a

internal device. The BIF3 is designed for

high linearity IF amplifier that requires excel-

lent gain, high OIP3 and flatness. It is pack-

aged in a RoHS2-compliant with SOT-89 sur-

face mount package.

Product Description

Device Features

• Base station Infrastructure/RFID

• Commercial/Industrial/Military wireless system

Applications

Applications Circuit

*C1, C2=8200pF ± 5%; C3 = 100 pF ± 5%; C4 = 1000pF ±5%

*C5 = 10uF; L1 = 680nH ±5%

Electrical Specifications

Absolute Maximum Ratings

Parameter

Rating

Unit

Storage Temperature

-55 to +155

°C

Junction Temperature

+170

°C

Supply Voltage

+6.0

V

Supply Current

140

mA

Input RF Power

23

dBm

Operation of this device above any of these parameters may result in permanent damage.

Parameter

Min

Typ

Max

Unit

Bandwidth

5

800

MHz

Ic @ (Vc = 5V)

68

85

102

mA

Vc

4.0

5.0

5.25

V

dG/dT

-0.004

dB/°C

RTH

45

°C/W

Operating Case Temperature

-40

+85

°C

Recommended Operating Conditions

Electrical specifications are measured at specified test conditions.

Specifications are not guaranteed over all recommended operating conditions.

Device performance _ measured on a BeRex evaluation board at 25°C, Vc=5V, 50 Ω system.

Parameter

Conditions

Min

Typ

Max

Unit

Operational

Frequency Range

5

800

MHz

Test Frequency

70

MHz

Gain

18.8

20.3

dB

Input Return Loss

-19.0

dB

Output Return Loss

-16.0

dB

Output IP3

8 dBm / tone ,

Δf=1 MHz

41.0

44.0

dBm

Output P1dB

22.5

23.5

dBm

Noise Figure

5.1

dB

Above 7V, a device goes to protection mode.

C1

C2

RF In

RF Out

BIF3

Vcc

L1

C3

C4

C5