1
4:1 RF Transformer
0.05 - 3.072 MHz M/A-COM Products
Rev. V1
MABA-009807-CF4010
• North America Tel: 800.366.2266 • Europe Tel: +353.21.244.6400
• India Tel: +91.80.4155721 • China Tel: +86.21.2407.1588
Visit www.macomtech.com for additional data sheets and prod uct information.
M/A-COM Technology Solutions Inc. and its affiliates reserve the right to make
changes to the product(s) or information contained herein without notice.
ADVANCED: Data Sheets contain information regarding a product M/A-COM Technology Solutions
is considering for development. Performance is based on target specifications, simulated results,
and/or prototype measurements. Commitment to develop is not guaranteed.
PRELIMINARY: Data Sheets contain information regarding a product M/A-COM Technology
Solutions has under development. Performance is based on engineering tests. Specifications are
typical. Mechanical outline has been fixed. Engineering samples and/or test data may be available.
Commitment to produce in volume is not guaranteed.
Features
• Surface Mount
• 4:1 Impedance
• CT on Secondary
• 50 Ohm
• RoHS compliant, lead free
• RoHS version of ETM4-1T-2
Description
M/A-COM’s MABA-009807-CF4010 is a 4:1 RF
Transformer in a low cost surface mount package.
Ideally suited for high volume CATV application.
Case Style SM-1
Pin Configuration
Function Pin Number
Secondary Dot 1
Secondary 3
Primary 4
Not Connected 5
Secondary Centre Tap 2
Primary Dot 6
Schematic
Part Number Package
MABA-009807-CF4010 900 pieces per reel
Ordering Information
Dimensions are inches (millimeters) ±0.015 (0.38) unless otherwise
specified.
Note: Reference Application Note M513 for reel size information.
* Restrictions on Hazardous Substances, European Union Directive 2002/95/EC.
2
4:1 RF Transformer
0.05 - 3.072 MHz M/A-COM Products
Rev. V1
MABA-009807-CF4010
• North America Tel: 800.366.2266 • Europe Tel: +353.21.244.6400
• India Tel: +91.80.4155721 • China Tel: +86.21.2407.1588
Visit www.macomtech.com for additional data sheets and prod uct information.
M/A-COM Technology Solutions Inc. and its affiliates reserve the right to make
changes to the product(s) or information contained herein without notice.
ADVANCED: Data Sheets contain information regarding a product M/A-COM Technology Solutions
is considering for development. Performance is based on target specifications, simulated results,
and/or prototype measurements. Commitment to develop is not guaranteed.
PRELIMINARY: Data Sheets contain information regarding a product M/A-COM Technology
Solutions has under development. Performance is based on engineering tests. Specifications are
typical. Mechanical outline has been fixed. Engineering samples and/or test data may be available.
Commitment to produce in volume is not guaranteed.
Electrical Specifications: TA = 25°C, 0dBm, Z0 = 50Ω
Parameter Value
RF Power 250mW
DC Current 30mA
Operating Temperature -20°C to +85°C
Storage Temperature -55°C to +100°C
Recommended Maximum Ratings
Parameter Test Conditions Units Min. Typ. Max.
Frequency Range .05 – 3.072 MHz
Insertion Loss .05 – 3.072 MHz dB – – 1
Amplitude Balance .05 – 3.072 MHz dB – – ±0.1
Phase Balance .05 – 3.072 MHz º – – ±1
Input Return Loss .05 – .20 MHz
.20 - 3.072 MHz dB
dB 18
25 – –
Application Circuit
3
4:1 RF Transformer
0.05 - 3.072 MHz M/A-COM Products
Rev. V1
MABA-009807-CF4010
• North America Tel: 800.366.2266 • Europe Tel: +353.21.244.6400
• India Tel: +91.80.4155721 • China Tel: +86.21.2407.1588
Visit www.macomtech.com for additional data sheets and prod uct information.
M/A-COM Technology Solutions Inc. and its affiliates reserve the right to make
changes to the product(s) or information contained herein without notice.
ADVANCED: Data Sheets contain information regarding a product M/A-COM Technology Solutions
is considering for development. Performance is based on target specifications, simulated results,
and/or prototype measurements. Commitment to develop is not guaranteed.
PRELIMINARY: Data Sheets contain information regarding a product M/A-COM Technology
Solutions has under development. Performance is based on engineering tests. Specifications are
typical. Mechanical outline has been fixed. Engineering samples and/or test data may be available.
Commitment to produce in volume is not guaranteed.
Typical Performance Curves: TA = 25°C, 0dBm, Z0 = 50Ω
Insertion Loss: Pin4 - Pin1 Insertion Loss: Pin4 - Pin3
Amplitude Balance Phase Balance
Return Loss: Input
-0.5
-0.4
-0.3
-0.2
-0.1
0.0
0.05 1.05 2.05 3.05
Fr e que ncy (M Hz)
dB
-0.5
-0.4
-0.3
-0.2
-0.1
0.0
0.05 0.55 1.05 1.55 2.05 2.55 3.05
Frequency (MHz)
dB
-1.0
-0.8
-0.6
-0.4
-0.2
0.0
0.2
0.4
0.6
0.8
1.0
0.05 1.05 2.05 3.05
Frequency (MHz)
dB
178 .0
178 .5
179 .0
179 .5
180.0
180.5
18 1.0
18 1.5
182.0
0.05 1.05 2.05 3.05
Frequency (MHz)
Degrees
-40
-35
-30
-25
-20
-15
-10
-5
0
0.05 1.05 2.05 3.05
Frequency (MHz)
dB
