RF2705PCBA-41X Ver la hoja de datos (PDF) - RF Micro Devices

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RF2705PCBA-41X

QUADRATURE DEMODULATOR

RF Micro Devices 

RF2705

Parameter

Specification

Unit

Min.

Typ.

Max.

Output Performance with Modulated Baseband Inputs

High Band EDGE 8PSK Mode (DCS1800/PCS1900)

Mode=High Band FLOx1 (see Control Logic Truth Table for Mode Control Settings)

Output Power

Maximum Output Power with

8PSK Modulated Signal*

Maximum VGC -1

Minimum VGC

Gain Range

+1.5

dBm

-40

-38

dBm

42

dB

Out-of-Band Emission

Spectrum Emission Mask*

Frequency Spacing

200 kHz

250 kHz

400 kHz

600kHz to 1800kHz

1800kHz to 3000kHz

3000kHz to 6000kHz

> 6000 kHz

Error Vector Magnitude

RMS*

Origin Offset*

Peak*

Output Noise

At FC±20MHz*

Relative Noise at:

Maximum Gain

Absolute Noise at:

Maximum Gain

All Gain Settings

General Conditions

Local Oscillator

LO HB Input Frequency

RF HB Output Frequency

Input Power

IQ Baseband Inputs

IQ Level

IQ Common Mode

Input Bandwidth

Baseband Filter Attenuation

* Not tested in Production

1710

1710

-6.0

0.7

20

-36

-43

-67

-73

-73

-73

-75

1.3

-37

3

-154

-150

-153

-151

0.0

1.2

1.2

1.0

TBD

dBc

TBD

dBc

TBD

dBc

dBc

dBc

dBc

dBc

3

%

-30

dB

11

%

dBc/Hz

dBc/Hz

dBm

dBm

1910

1910

+3.0

MHz

MHz

dBm

VP-P

V

MHz

dB

Condition

VCC=2.7V, T=+25°C

While meeting spectral mask

While meeting spectral mask

Difference between output power at

GC=2.0V and GC=0.2V.

30kHz BW

30kHz BW

30kHz BW

30kHz BW

100kHz BW

100kHz BW

100kHz BW

8PSK Modulation

GC=2.0V, IQ=1.2VP-P 8PSK

GC=2.0V to 1.4V

GC=2.0V, IQ=0VP-P

IQ=1.2VP-P 8PSK

8PSK

Input IQ signal driven differentially and in

quadrature.

At 20MHz offset

Rev A4 041026

5-115

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