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PDF RFFC0085 Data sheet ( Hoja de datos )

Número de pieza RFFC0085
Descripción Out-of-Band Tuner
Fabricantes RF Micro Devices 
Logotipo RF Micro Devices Logotipo



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RFFC0085Out-
RFFC0085Of-BandTuner
www.DataSheet4U.com
OUT-OF-BAND TUNER
Package: QFN, 16-Pin, 3mm x 3mm
Product Description
The RFFC0085 is a downconverter designed to be used as an Out-of-Band
Tuner for use in CATV set-top box and Digital Cable Ready TV applications.
The RFFC0085 consists of an input AGC amplifier, mixer, and a video/AGC
amplifier. This device offers optimum performance with low power con-
sumption and low distortion. This product is RoHS compliant.
Optimum Technology
Matching® Applied
GaAs HBT
GaAs MESFET
InGaP HBT
SiGe BiCMOS
Si BiCMOS
SiGe HBT
GaAs pHEMT
9 Si CMOS
Si BJT
GaN HEMT
InP HBT
RF MEMS
LDMOS
MXOUT - 1
16
VDD 2
RF IN + 3
RF IN - 4
5
15 14
13
12 VDD
11 IF OUT +
10 IFOUT -
9 VAGC
6 78
Features
„ 3.3V Single Supply Operation
„ Low Power Consumption
(345 mW)
„ Low Distortion: -53dBc at
1 VPP
„ 77dB Total Conversion Gain
„ 55dB Total Gain Control
Range
„ Low LO-RF Leakage
Applications
„ Cable Set-Top Boxes
„ Digital Cable Ready Televi-
sions
Parameter
Specification
Min. Typ.
RF Input Frequency Range
50
LO Input Frequency Range
80
Maximum Conversion Gain
77
AGC Voltage
0
AGC Dynamic Range
50 55
Third Order Intermodulation
53 60
IF Output Level
1
Noise Figure
15
LO Leakage at the RF Port
Supply Voltage
3.0 3.3
Supply Current
106
104
Test Conditions: TA=25°C, VDD=3.3V, unless otherwise specified
Max.
150
220
3
2
16.5
-87
3.6
123
123
Unit
MHz
MHz
dB
V
dB
dBc
VPP
dB
dB
V
mA
mA
Condition
High Side LO
High Side LO
Includes saw filter loss at VAGC=3.0V
VAGC=0V to 3.0V
1VPP Differential Output, 1kΩ load
Differential Output, 1kΩ load
VAGC = 3.0 V
VAGC = 3.0 V
VAGC = 0.0V
DS100219
RF MICRO DEVICES®, RFMD®, Optimum Technology Matching®, Enabling Wireless Connectivity™, PowerStar®, POLARIS™ TOTAL RADIO™ and UltimateBlue™ are trademarks of RFMD, LLC. BLUETOOTH is a trade-
mark owned by Bluetooth SIG, Inc., U.S.A. and licensed for use by RFMD. All other trade names, trademarks and registered trademarks are the property of their respective owners. ©2006, RF Micro Devices, Inc.
7628 Thorndike Road, Greensboro, NC 27409-9421 · For sales or technical
support, contact RFMD at (+1) 336-678-5570 or [email protected].
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RFFC0085 pdf
RFFC0085
www.DataSheet4U.com
*Important Application Note
The following low pass filter should proceed the RFFC0085 in all applications. This filter is used to
reduce down stream interference. This low pass filter is not included on the RFFC0085 evaluation
board.
75O RF In
C2
4.3pF
C4
13pF
C6
15pF
To RFFC0085
RF Input (J3)
L2
100nH
L4
68nH
L6
68nH
R2
180Ω
C1
10pF
C3
18pF
C5
15pF
C7
3.9pF
Component List for Low Pass Filter:
Circuit Symbol
Value
C7 3.9pF
C2 4.3pF
C1 10pF
C4 13pF
C5, C6
15pF
C3 18pF
L4, L6
68nH
L2 100nH
R2 180 ohm
DS100219
7628 Thorndike Road, Greensboro, NC 27409-9421 · For sales or technical
support, contact RFMD at (+1) 336-678-5570 or [email protected].
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