RF2705G Ver la hoja de datos (PDF) - RF Micro Devices
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RF2705G Datasheet PDF : 26 Pages
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RF2705G
Parameter
Output Compression
Output P1dB*
Intermodulation
Output IP3*
Specification
Unit
Min.
Typ.
Max.
+11.5
dBm
+20
dBm
Intermodulation IM3 tone at
-37
dBc
FC+70kHz and FC+130kHz
relative to tones at
FC+90kHz and FC+110kHz
-40
dBc
Output Performance with CW Baseband Inputs
Low Band Mode (GSM850/GSM900)
Mode=Low Band FLOx1 (see Control Logic Truth Table for Mode Control
Settings)
VGA and PA Driver
Output Power 8PSK Modulated*
Output Power CW
0
*
-44
Gain Control Voltage Range 0.2
Gain Control Range
+2.5
2.2
-1.2
-13.5
-30
-40
42
dBm
+5
dBm
dBm
dBm
dBm
-37
dBm
2.0
V
dB
Gain Control Slope
28
dB/V
Modulator
Sideband Suppression
-36
-30
dBc
*
-36
-30
dBc
*
-36
-30
dBc
*
-36
-30
dBc
*
-36
-30
dBc
Carrier Suppression
-44
-34
dBc
-44
-34
dBc
*
-44
-34
dBc
-44
-34
dBc
-40
-34
dBc
3rd Harmonic of Modulation
Suppression at FC-3x300kHz
-49
-40
dBc
* Not tested in Production
** Provides the same output power as modulated signal with associated crest factor.
Condition
I/Q = 100 kHz
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.
GC = 2.0 V
GC = 1.5 V
VCC=2.7V, T=+25°C,
LO=824MHz to 915MHz at 0dBm,
IQ=800mVP-P** at 100kHz,
unless otherwise noted
GC=2.0V, IQ=1.2VP-P 8PSK
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=0.2V, IQ=800mVP-P at 100kHz
Difference between output power at GC=2.0V
and GC=0.2V
Calculated between GC=0.5V and 1.5V
GC=2.0V, No I/Q adjustment
GC=1.5V, No I/Q adjustment
GC=1.0V, No I/Q adjustment
GC=0.5V, No I/Q adjustment
GC=0.2V, No I/Q adjustment
GC=2.0V, No I/Q adjustment
GC=1.5V, No I/Q adjustment
GC=1.0V, No I/Q adjustment
GC=0.5V, No I/Q adjustment
GC=0.2V, No I/Q adjustment
GC = 2.0 V
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7628 Thorndike Road, Greensboro, NC 27409-9421 · For sales or technical
support, contact RFMD at (+1) 336-678-5570 or sales-support@rfmd.com.
Rev A0 DS060206
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