RF2948B データシートの表示（PDF） - RF Micro Devices
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RF2948B Datasheet PDF : 18 Pages
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RF2948B
Absolute Maximum Ratings
Parameter
Supply Voltage
Control Voltages
Input RF Level
LO Input Levels
Operating Ambient Temperature
Storage Temperature
MSL JEDEC level 3 at 240oC
Rating
-0.5 to +3.6
-0.5 to +3.6
+12
+5
-40 to +85
-40 to +150
Unit
VDC
VDC
dBm
dBm
°C
°C
Refer to “Handling of PSOP and PSSOP Products” on page 16-15 for
special handling information.
Refer to “Soldering Specifications” on page 16-13 for special solder-
ing information.
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
Overall Receiver
RX Frequency Range
Cascaded Voltage Gain
Cascaded Noise Figure
Cascaded Input IP3
Cascaded Input IP3
IF LO Leakage
Quadrature Phase Variation
Min.
45
65
0
5.5
Specification
Typ.
374
50
115
-68
0
Max.
500
76
3
35.0
±3
Unit
NS MHz
dB
G dB
I dB
dBµV
S dBµV
dBm
DE°
Condition
T=25 °C, VCC=3.0V, Freq=374MHz,
RBW = 10 kΩ
RX VGC=1.2V
RX VGC=2.0V
Varies with gain.
VGC <1.2V
VGC>2.0 V
f=374MHz, LO Power=-10dBm
With expected LO amplitude and harmonic
content.
Quadrature Amplitude Variation
0
+1
dB
Output P1dB
1.2
Distortion
IF AMP and Quad Demod
Gain
65
Noise Figure
IF Input Impedance
2
W 4.5
7.5
E70
5.5
N515-j994
VPP
1.4<RX VGC<1.8V
%
At 0.70VPP output level.
dB
VGC=1.95V=min gain
VGC=1.25V max gain
dB
Single Sideband, max gain.
Ω
Single-ended. 374MHz
RX Baseband Amplifiers
THD
R Output Voltage
DC Output Voltage
O RX Baseband Filters
F Baseband Filter 3dB Bandwidth
VREF1 - 15
1
Passband Ripple
Baseband Filter 3dB
T Frequency Accuracy
Group Delay
O Group Delay
Baseband Filter
NUltimate Rejection
2
700
VREF1
10
±10
15
400
> 80
VREF1 + 15
%
mVPP
mV
35
MHz
0.1
dB
±30
%
ns
ns
dB
At 0.707VP-P output level
RL>5kΩ, CL<15pF
5th order Bessel LPF.
Set by BW CTRL (RBW)
At 35MHz, increasing as bandwidth
decreases.
At 2MHz.
Output Impedance
20
Ω
Designed to drive>5kΩ, <15pF load.
11-240
Rev A6 040930
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