1:1 Transmission Line Balun
5 - 1800 MHz
MABA-011112
Rev. V3
Features
Functional Schematic
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Surface Mount Package
1:1 Impedance
DOCSIS 4.0 Compatible
Tertiary Windings
Excellent Return Loss up to 1800 MHz
Available on Tape and Reel
RoHS* Compliant and Lead Free
260°C Reflow Compatible
Pin Configuration3
Description
Pin #
Function
Input (PRI dot)
Output 2 (SEC)
Not used
Pin #
Function
The MABA-011112 is a 1:1 transmission line balun
in a surface mount package, designed for best in
class insertion loss and return loss performance in
DOCSIS 4.0 band. This balun incorporates tertiary
windings to simplify biasing of active devices.
1
2
3
4
5
Output 1 (SEC dot)
Ground (PRI)
Ideally suited for all CATV Broadband and FTTx
applications.
3. MACOM recommends connecting unused package pins to
ground.
Electrical Specifications: TA = 25°C, Z0 = 75 Ω, PIN = 0 dBm
Parameter
Test Frequency (MHz)
Units
Min.
Typ.
Max.
Impedance Ratio
—
Ratio
—
1:1
—
5 - 500
500 - 1218
1218 -1800
5 - 500
500 - 1218
1218 -1800
5 - 500
500 - 1218
1218 -1800
5 - 500
500 - 1218
1218 -1800
5 - 500
0.5
0.9
1.2
0.7
1.0
1.7
0.6
0.9
1.3
0.3
0.2
0.7
3.0
-4.0
4.0
0.7
1.1
1.5
0.9
1.3
2.1
0.8
1.2
1.7
±0.6
±0.6
±1.0
2.0
2.0
6.0
Insertion Loss 2
(pin 1 to pin 2)
dB
dB
dB
dB
º
—
—
—
—
Insertion Loss 1
(pin 1 to pin 4)
Balance Insertion Loss
Amplitude Balance
Phase Balance
-6.0
-6.0
-6.0
500 - 1218
1218 -1800
Input Return Loss
(pin 1)
5 - 1218
1218 -1800
18
18
22
21
dB
dB
—
5 - 1218
1218 -1800
18
18
22
21
Balance Output Return Loss
—
Ordering Information1,2
Absolute Maximum Ratings4,5,6
Parameter
Input RF Power
DC Current
Absolute Maximum
MABA-011112
2000 piece reel
0.5 W
MABA-011112-TB
Customer test board
600 mA
Operating Temperature
-40°C to +85°C
1. Reference Application Note M513 for reel size information.
2. All sample boards include 5 loose parts.
4. Exceeding anyone or combination of these limits may cause
permanent damage to this device.
5. MACOM does not recommend sustained operation near these
survivability limits.
6. Specified at 25°C only and measured at 800 MHz.
1
MACOM Technology Solutions Inc. (MACOM) and its affiliates reserve the right to make changes to the product(s) or information contained herein without notice.
Visit www.macom.com for additional data sheets and product information.
For further information and support please visit:
https://www.macom.com/support
DC-0022304