RF2483 datasheet(5/34 Pages) RFMD

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RF2483

DS110505

7628 Thorndike Road, Greensboro, NC 27409-9421 · For sales or technical

support, contact RFMD at (+1) 336-678-5570 or sales-support@rfmd.com.

Parameter

Specification

Unit

Condition

Min.

Typ.

Max.

Variable Gain Amplifiers Low

Band (700MHz to 1000MHz)

VCC=2.7V, EN=2.7V, Bandsel=0V, FLO=900MHz,

PLO=0dBm, LO LB and RF OUT LB ports are matched

to 50

. Input IQ 1.2Vdc, signals driven differentially

and in quadrature from a 50

 source impedance.

TA=25oC

Gain Control Voltage Range

2.0

Gain Control Range

Difference between output power at GC=2.0V and

0.5V

Gain Control Slope

29.5

dB/V

Calculated using output power at GC=1.0V and 1.5V

Gain Control Input Impedance*



Output Power

-3

0.8

GC=2.0V, IQ=800mVP-P at 100kHz

-7.5

-4.5

-1.5

GC=1.5V, IQ=800mVP-P at 100kHz

-24

-21

-16

GC=1.0V, IQ=800mVP-P at 100kHz

-41

-35

-33

GC=0.5V, IQ=800mVP-P at 100kHz

Output Noise at FLO+20MHz*

-156.4

dBm/Hz

GC=2.0V, IQ=800mVP-P at 100kHz

-157.2

dBm/Hz

GC=2.0V, IQ=0mVP-P

Output P1dB*

dBm

IQ at 100kHz

Output IP3*

+19

dBm

GC=2.0V. Extrapolated from IM3 with two baseband

tones at 90kHz and 110kHz applied differentially, in

quadrature, at both I and Q inputs, each tone 400mVP-

Intermodulation IM3 tone at

FLO+70kHz and FLO+130kHz

relative to tone at FLO+90kHz

Two baseband tones at 90kHz and 110kHz applied at

both I and Q inputs, each tone 400mVP-P.

dBc

GC=2.0V

dBc

GC=1.5V

dBc

GC=1.0V

dBc

GC=0.5V

*=Not tested in production

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