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RF2483

LOW NOISE DUAL-BAND QUADRATURE MODULATOR WITH AGC

RF Micro Devices 

RF2483

Parameter

Variable Gain Amplifiers Low

Band (700MHz to 1000MHz)

Gain Control Voltage Range

Gain Control Range

Gain Control Slope

Gain Control Input Impedance*

Output Power

Output Noise at FLO+20MHz*

Output P1dB*

Output IP3*

Intermodulation IM3 tone at

FLO+70kHz and FLO+130kHz

relative to tone at FLO+90kHz

*=Not tested in production

Specification

Min. Typ. Max.

0

2.0

32

36

26

29.5

33

10

-3

0.8

3

-7.5

-4.5

-1.5

-24

-21

-16

-41

-35

-33

-156.4

-157.2

+6

+19

40

50

40

50

40

50

40

50

Unit

Condition

V

dB

dB/V

k

dB

dB

dB

dB

dBm/Hz

dBm/Hz

dBm

dBm

dBc

dBc

dBc

dBc

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

Difference between output power at GC=2.0V and

0.5 V

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

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

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

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

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

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

GC=2.0V, IQ=0mVP-P

IQ at 100kHz

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-

P.

Two baseband tones at 90kHz and 110kHz applied at

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

GC = 2.0 V

GC = 1.5 V

GC = 1.0 V

GC = 0.5 V

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.

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