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RF2483

LOW NOISE DUAL-BAND QUADRATURE MODULATOR WITH AGC

RF Micro Devices 

RF2483

Parameter

I/Q Modulator High Band

(2700MHz)

Baseband Input Voltage*

Baseband Input Level*

Baseband Input Impedance*

Input Bandwidth*

Sideband Suppression*

Carrier Suppression*

3rd Harmonic of Modulation

Suppression at FLO-3x100kHz*

Baseband Input DC Current Drain*

Baseband Input AC Current Drain*

Variable Gain Amplifiers High

Band (2700MHz)

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*

*=Not tested in production

Specification

Min. Typ. Max.

1.2

0.8

5.5

150

34

37

43

47

38

38

32

22

Unit

Condition

VCC=2.7V, EN=2.7V, Bandsel=2.7V, FLO=2700MHz,

PLO=0dBm, LO HB and RFOUT HB ports are matched

to 50 IQ=800mVP-P at 100KhZ 1.2VDC. Input IQ sig-

nals driven differentally and in quadrature from a 50

source impedance. TA=25°C

V

Common mode voltage

VPP Measured differentially

k Measured at 100kHz

MHz I/Q source impedance 50

dBc GC=2.0V, no I/Q adjustment

dBc GC=1.5V, no I/Q adjustment

dBc GC=1.0V, no I/Q adjustment

dBc GC=0.5V, no I/Q adjustment

dBc GC=2.0V, no I/Q adjustment

dBc GC=1.5V, no I/Q adjustment

dBc GC=1.0V, no I/Q adjustment

dBc GC=0.5V, no I/Q adjustment

58

dBc GC=2.0V

58

dBc GC=1.5V

59

dBc GC=1.0V

62

dBc GC=0.5V

100

A

100

APP

VCC=2.7V, EN=2.7V, Bandsel=2.7V, FLO=2700MHz,

PLO=0dBm, LO HB and RFOUT HB ports are matched

to 50 IQ=800mVP-P at 100KhZ 1.2VDC. Input IQ sig-

nals driven differentally and in quadrature from a 50

source impedance. TA=25°C

0

2.0

V

35

dB Difference between output power at GC=2.0V and

GC = 0.5 V

29

dB/V Calculated GC=1.0V and 1.5V

10

k

0.4

dB

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

-7

dB

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

-18

dB

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

-35

dB

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

-155

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

-156.7

dBm/Hz GC=2.0V, IQ=0mVP-P

+6

dBm IQ at 100kHz

+20

dBm GC=2.0V. Extrapolated from IM3 with two baseband

tones at 90kHz applied differentially, in quadrature, at

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

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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