RF2483_11 datasheet(7/34 Pages) RFMD

Part #	RF2483

Description	LOW NOISE DUAL-BAND QUADRATURE MODULATOR WITH AGC

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Manufacturer	RFMD [RF Micro Devices]

Direct Link	http://www.rfmd.com

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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.

I/Q Modulator High Band

(2700MHz)

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

Baseband Input Voltage*

1.2

V

Common mode voltage

Baseband Input Level*

0.8

VPP

Measured differentially

Baseband Input Impedance*

5.5

k



Measured at 100kHz

Input Bandwidth*

150

MHz

I/Q source impedance 50



Sideband Suppression*

34

dBc

GC=2.0V, no I/Q adjustment

37

dBc

GC=1.5V, no I/Q adjustment

43

dBc

GC=1.0V, no I/Q adjustment

47

dBc

GC=0.5V, no I/Q adjustment

Carrier Suppression*

38

dBc

GC=2.0V, no I/Q adjustment

38

dBc

GC=1.5V, no I/Q adjustment

32

dBc

GC=1.0V, no I/Q adjustment

22

dBc

GC=0.5V, no I/Q adjustment

3rd Harmonic of Modulation

Suppression at FLO-3x100kHz*

58

dBc

GC=2.0V

58

dBc

GC=1.5V

59

dBc

GC=1.0V

62

dBc

GC=0.5V

Baseband Input DC Current Drain*

100

A

Baseband Input AC Current Drain*

100

APP

Variable Gain Amplifiers High

Band (2700MHz)

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

Gain Control Voltage Range*

0

2.0

V

Gain Control Range*

35

dB

Difference between output power at GC=2.0V and

GC=0.5V

Gain Control Slope*

29

dB/V

Calculated GC=1.0V and 1.5V

Gain Control Input Impedance*

10

k



Output Power*

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

Output Noise at FLO + 20MHz*

-155

dBm/Hz

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

-156.7

dBm/Hz

GC=2.0V, IQ=0mVP-P

Output P1dB*

+6

dBm

IQ at 100kHz

Output IP3*

+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

*=Not tested in production

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