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Surface Mount
RF Transformer
753to500MHz
TC1.33-1T-75+
The Big Deal
* Excellentreturnloss,23dBtypical * Highlyaccurate75to100balanced transition * Cost-effectivedesign
CASESTYLE:AT224-1A
Product Overview
Thishigh-performance,low-costtransformerisidealforusewithpush-pullamplifierswherebalanced-tounbalancedRFsignaltransformationisrequired.ItisanidealmatchfortheinputsofMini-CircuitsdualMMIC amplifiers.Whenusedinthisconfiguration,thehighphaseandamplitudeaccuracyprovidesexcellentIP2 andIP3performance,makingitidealforusein75CATVreturnapplicationsoranysingle-ended75to balanced50application.
Key Features
Feature
Wideband
Advantages
Usablerangeof3MHzto500MHzmakesthistransformersuitableformultipleapplications andcoverstheentirespectrumofCATVreturnpathapplications. Typicalamplitudeunbalanceof0.5dBandphaseunbalanceof3ina1dBbandwidthis unmatchedforatransformerinthispricerange. ThisfeatureenablestheTC1seriestoworkinapplicationsdowntoverylowfrequencies andwhenisolationoftheprimaryandsecondarywindingsisrequired. The very accurate matching makes this product ideal for CATV applications running parallel75single-endedsignalsinto100circuitsinadifferentialconfiguration. Mini-Circuits's unique design approach enables a high-performance transformer to be availableinthemarketatalowcostforhigh-volumeproduction.
Excellentphaseandamplitude performance
DCisolation
Highlyaccurateimpedancematching
Extremelylowcost
ISO 9001 ISO 14001 AS 9100 CERTIFIED P.O. Box 350166, Brooklyn, New York 11235-0003 (718) 934-4500 Fax (718) 332-4661 The Design Engineers Search Engine
IF/RF MICROWAVE COMPONENTS
Mini-Circuits
(R)
For detailed performance specs & shopping online see web site
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Provides ACTUAL Data Instantly at minicircuits.com
Notes: 1. Performance and quality attributes and conditions not expressly stated in this specification sheet are intended to be excluded and do not form a part of this specification sheet. 2. Electrical specifications and performance data contained herein are based on Mini-Circuit's applicable established test performance criteria and measurement instructions. 3. The parts covered by this specification sheet are subject to Mini-Circuits standard limited warranty and terms and conditions (collectively, "Standard Terms"); Purchasers of this part are entitled to the rights and benefits contained therein. For a full statement of the Standard Terms and the exclusive rights and remedies thereunder, please visit Mini-Circuits' website at www.minicircuits.com/MCLStore/terms.jsp.
Page1
Surface Mount
RF Transformer
753to500MHz
Maximum Ratings
OperatingTemperature StorageTemperature RFPower DCCurrent -40Cto85C -55Cto100C 250mW 30mA
TC1.33-1T-75+
Features
* wideband,3to500MHz * DCisolated * goodreturnloss *excellentamplitudeunbalance,0.5dBtyp.and phaseunbalance,3degtyp.in1dBbandwidth * plasticbasewithleads *aqueouswashable
CASESTYLE:AT224-1A PRICE:$1.19ea.QTY(100)
Permanentdamagemayoccurifanyoftheselimitsareexceeded.
Pin Connections
PRIMARYDOT PRIMARY SECONDARYDOT SECONDARY SECONDARYCT 6 4 1 3 2
+ RoHS compliant in accordance with EU Directive (2002/95/EC)
The +Suffix has been added in order to identify RoHS Compliance. See our web site for RoHS Compliance methodologies and qualifications.
Applications
* balancedtounbalancedtransformation * push-pullamplifiers * impendancematching * CATV
Outline Drawing AT224-1A
Transformer Electrical Specifications (TAMB=25C)
RATIO
(Secondary/Primary)
FREQUENCY (MHz)
INSERTION LOSS*
PHASE UNBALANCE (Deg.) Typ.
1 dB bandwidth 3 2 dB bandwidth 5
AMPLITUDE UNBALANCE (dB) Typ.
1 dB bandwidth 0.5 2 dB bandwidth 0.9
2 dB MHz 1.33 3-500 3-500
1 dB MHz 5-300
*InsertionLossisreferencedtomid-bandloss,0.5dBtyp.
PC B L and Patter n
Typical Performance Data
FREQUENCY (MHz)
Suggested L ayout, T olerance to be within .002
INSERTION LOSS (dB)
0.72 0.60 0.52 0.49 0.50 0.55 0.61 0.69 0.74 0.79
INPUT R. LOSS (dB)
20.21 22.88 26.09 29.53 29.06 26.79 24.51 22.74 21.90 21.14
AMPLITUDE UNBALANCE (dB)
0.03 0.03 0.02 0.00 0.05 0.25 0.56 0.96 1.18 1.44
PHASE UNBALANCE (Deg.)
0.05 0.08 0.17 0.67 1.30 2.48 3.37 4.07 4.37 4.62
Outline Dimensions ( inch) mm
A .150 3.81 G .028 0.71 B .150 3.81 H .065 1.65 C .160 4.06 J .190 4.83 D .050 1.27 K .030 0.76 E .040 1.02 F .025 0.64 wt grams 0.15

3.00 5.00 10.00 50.00 100.00 200.00 300.00 400.00 450.00 500.00
0.9 INSERTION LOSS (dB) 0.8 0.8 0.7 0.7 0.6 0.6 0.5 0.5 0.4 0 100
TC1.33-1T-75+ INSERTION LOSS
35.0 RETURN LOSS (dB) 30.0 25.0 20.0 15.0 10.0 5.0 0 100
TC1.33-1T-75+ INPUT RETURN LOSS
Config. A
200 300 FREQUENCY (MHz)
400
500
200 300 FREQUENCY (MHz)
400
500
ISO 9001 ISO 14001 AS 9100 CERTIFIED P.O. Box 350166, Brooklyn, New York 11235-0003 (718) 934-4500 Fax (718) 332-4661 The Design Engineers Search Engine
IF/RF MICROWAVE COMPONENTS
Mini-Circuits
(R)
For detailed performance specs & shopping online see web site
(R)
Provides ACTUAL Data Instantly at minicircuits.com
Notes: 1. Performance and quality attributes and conditions not expressly stated in this specification sheet are intended to be excluded and do not form a part of this specification sheet. 2. Electrical specifications and performance data contained herein are based on Mini-Circuit's applicable established test performance criteria and measurement instructions. 3. The parts covered by this specification sheet are subject to Mini-Circuits standard limited warranty and terms and conditions (collectively, "Standard Terms"); Purchasers of this part are entitled to the rights and benefits contained therein. For a full statement of the Standard Terms and the exclusive rights and remedies thereunder, please visit Mini-Circuits' website at www.minicircuits.com/MCLStore/terms.jsp.
REV.OR M126183 TC1.33-1T-75+ ED-13828/7 WP/CP/AM 100512 Page2

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