RF2705 Просмотр технического описания (PDF) - RF Micro Devices

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RF2705

QUADRATURE DEMODULATOR

RF Micro Devices 

RF2705

Absolute Maximum Ratings

Parameter

Supply Voltage

Storage Temperature

Operating Ambient Temperature

Input Voltage, any pin

Input Power, any pin

Rating

-0.5 to 3.6

-40 to +150

-40 to +85

-0.5 to +3.6

+5

Unit

V

°C

°C

V

dBm

Caution! ESD sensitive device.

RF Micro Devices believes the furnished information is correct and accurate

at the time of this printing. However, RF Micro Devices reserves the right to

make changes to its products without notice. RF Micro Devices does not

assume responsibility for the use of the described product(s).

Parameter

Specification

Unit

Min.

Typ.

Max.

Output Performance with Modulated Baseband Inputs

Low Band EDGE 8PSK Mode (GSM850/GSM900)

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

Output Power

Maximum Output Power with

8PSK Modulated Signal*

Maximum VGC

0

Minimum VGC

Gain Range

+2.5

-39

42

dBm

-37

dBm

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 LB Input Frequency 824

RF LB Output Frequency 824

Input Power -6.0

IQ Baseband Inputs

IQ Level

IQ Common Mode

Input Bandwidth 0.7

Baseband Filter Attenuation 20

* Not tested in Production

-36

-43

-67

-73

-73

-73

-75

2

-40

4

-156

-152

-156

-154

0.0

1.2

1.2

1.0

TBD

dBc

TBD

dBc

TBD

dBc

dBc

dBc

dBc

dBc

3

%

-34

dB

9

%

dBc/Hz

dBc/Hz

dBm

dBm

915

915

+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

5-114

Rev A4 041026

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