RF3334TR7 RFMD, RF3334TR7 Datasheet

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RF3334TR7

Manufacturer Part Number
RF3334TR7
Description
IC IF AMP/MIXER LOW-NOISE 16-QFN
Manufacturer
RFMD
Series
RF3334r
Datasheet

Specifications of RF3334TR7

Rf Type
General Purpose
Frequency
0Hz ~ 700MHz
Number Of Mixers
1
Gain
30dB
Noise Figure
5dB
Secondary Attributes
Down Converter
Current - Supply
24mA
Voltage - Supply
4.75 V ~ 5.25 V
Package / Case
16-VQFN Exposed Pad
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Features
Applications
Rev A6 DS061016
30dB RF Gain Control
40dB IF Gain Control
5dB Max. Noise Figure SSB
LNA Input Internally Matched to
75Ω
Single 5V Supply
Cable Set Top Box
General Purpose Downconverter
Commercial and Consumer Sys-
tems
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 sales-support@rfmd.com.
RF3334IF Low
Noise Ampli-
fier/Mixer
Product Description
The RF3334 is an IF LNA/Mixer suitable for downconversion of forward channel
control data in a set-top box application. It consists of a single-ended 75Ω termi-
nated LNA, followed by a differential gain control stage with 30dB of analog gain
control and a double-balanced mixer. The mixer load is available via pins 10 and 11
should an external filter be required. The mixer output is connected to an IF ampli-
fier that can be configured from 10dB to 40dB gain with an external resistor. The
amplifier is capable of 6V pk-pk output into a 1kΩ load.
Ordering Information
RF3334
RF3334PCBA-41X
GaAs HBT
GaAs MESFET
InGaP HBT
Optimum Technology Matching® Applied
RFDEC
IFVCC
RFIN
GND
LNA Mixer
Fully Assembled Evaluation Board
SiGe BiCMOS
Si BiCMOS
SiGe HBT
1
2
3
4
Functional Block Diagram
16
5
IF LOW NOISE AMPLIFIER/MIXER
IF AMP
15
6
RoHS Compliant & Pb-Free Product
Package Style: QFN, 16-Pin, 4 x 4
14
7
GaAs pHEMT
Si CMOS
Si BJT
13
8
12
11
10
9
RFAGC
MIXLOAD
MIXLOADB
GND
RF3334
GaN HEMT
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RF3334TR7 Summary of contents

Page 1

... 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. ...

Page 2

... The information in this publication is believed to be accurate and reliable. However, no responsibility is assumed by RF Micro Devices, Inc. ("RFMD") for its use, nor for any infringement of patents, or other rights of third parties, resulting from its use. No license is granted by implication or otherwise under any patent or patent rights of RFMD ...

Page 3

... Output Swing Output 1dB Compression Output IP3 Thermal Theta JC Maximum Measured Junction Temperature at DC Bias Conditions 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 A6 DS061016 Specification Unit Typ. Max 800 MHz Ω 75 1.6:1 ...

Page 4

... IF frequency. V resistor. Use of a resistor will degrade intermodulation performance. 7628 Thorndike Road, Greensboro, NC 27409-9421 · For sales or technical support, contact RFMD at (+1) 336-678-5570 or sales-support@rfmd.com should be supplied to this pin via an inductor ...

Page 5

... GND Ground. 16 RFVCC 5V supply for RF section. GND Paddle Backside of package should be connected to ground. 0. PLCS 2 PLCS 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 A6 DS061016 Package Drawing 2 PLCS 0. -A- 4. 0.70 2.00 TYP 0.65 0. PLCS ...

Page 6

... RF3334 RFDEC IFVCC RFIN 7628 Thorndike Road, Greensboro, NC 27409-9421 · For sales or technical support, contact RFMD at (+1) 336-678-5570 or sales-support@rfmd.com Pin-Out RFIN 2 GND Application Schematic LOB AMP IFOUT IFOUTB R* 12 RFAGC 11 MIXLOAD 10 MIXLOADB 9 GND 1 kΩ RFAGC Rev A6 DS061016 ...

Page 7

... VCC + C1 C10 Ω μstrip VCC J1-1 1 VCC 2 GND J1-3 RF AGC 3 CON3 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 A6 DS061016 Evaluation Board Schematic T1 TTWB-1-A C11 AMP 475 Ω 140 Ω 100 Ω 475 Ω ...

Page 8

... RF3334 Board Thickness 0.032”, Board Material FR-4, Multi-layer 7628 Thorndike Road, Greensboro, NC 27409-9421 · For sales or technical support, contact RFMD at (+1) 336-678-5570 or sales-support@rfmd.com Evaluation Board Layout Board Size 2.0” x 2.0” Rev A6 DS061016 ...

Page 9

... Frequency (MHz) 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 A6 DS061016 LNA + AGC + Mixer + IF AMP - IIP3 versus Gain over = 5 90.0 88.0 86.0 84.0 82.0 80.0 78 ...

Page 10

... RF3334 RF Input, Temp = +25°C 7628 Thorndike Road, Greensboro, NC 27409-9421 · For sales or technical support, contact RFMD at (+1) 336-678-5570 or sales-support@rfmd.com Input, Temp = +25°C Swp Max 0.2GHz Swp Min 0.05GHz Swp Max 0.2GHz Swp Min 0.05GHz Rev A6 DS061016 ...

Page 11

... PCB Surface Finish The PCB surface finish used for RFMD’s qualification process is electroless nickel, immersion gold. Typical thickness is 3μinch to 8μinch gold over 180μinch nickel. PCB Land Pattern Recommendation PCB land patterns are based on IPC-SM-782 standards when possible. The pad pattern shown has been developed and tested for optimized assembly at RFMD ...

Page 12

... The via pattern used for the RFMD qualification is based on thru-hole vias with 0.203mm to 0.330mm finished hole size on a 0.5mm to 1.2mm grid pattern with 0.025mm plating on via walls. If micro vias are used in a design suggested that the quantity of vias be increased by a 4:1 ratio to achieve similar results. 7628 Thorndike Road, Greensboro, NC 27409-9421 · ...

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