Device Overview

General Description

The BAL-0012SSG is a broadband surface mount balun, hand-tuned for optimal phase and amplitude balance over a 10 MHz to 12 GHz bandwidth. It serves as an excellent choice for analog to digital converters, balanced receivers, baseband digital modulations, and signal integrity enhancement.

Photo of BAL-0012SSG

Features

  • 2:1 Impedance Ratio
  • 10 MHz to 12 GHz Balun (Balanced to Unbalanced Transformer)
  • Transforms 50 Ω Input to 100 Ω Differential (50 Ohm Single) Output
  • Tuned for Optimal Phase/Amplitude Balance

Applications

  • Analog to Digital Converters
  • Balanced Receivers
  • Baseband Digital Modulation
  • Signal Integrity

Functional Block Diagram

Block Diagram

Part Ordering Options

Part NumberDescriptionPackageGreen StatusProduct LifecycleExport Classification
BAL-0012SSGSurface-Mount Broadband BalunSSG

REACH

RoHS

ReleasedEAR99
EVAL-BAL-0012Evaluation Board, 0.01 - 12 GHz Broadband BalunEVAL

REACH

RoHS

ReleasedEAR99

Table Of Contents

Revision History

Revision CodeRevision DateComment
-2020-06-01Initial Datasheet Release

Rev: - | Copyright © 2020 Marki Microwave LLC.

2

Port Configuration and Functions

Port Functions

PortFunctionDescriptionDC Equivalent
Circuit
Common Port / In (Unbalanced)RF Input The common port is DC short to ground.Equivalent circuit for the RF Input
Out 1 / 0° Port (Balanced)0° Port The 0° port is DC short to ground.Equivalent circuit for the 0° Port
Out 2 / 180° Port (Balanced)180° Port The 180° port is DC short to ground.Equivalent circuit for the 180° Port

Rev: - | Copyright © 2020 Marki Microwave LLC.

3

Specifications

Absolute Maximum Ratings

ParameterMaximum RatingUnit
Maximum Operating Temperature 100°C
Maximum Storage Temperature 125°C
Minimum Operating Temperature -55°C
Minimum Storage Temperature -65°C
RF Power Handling 30dBm
RF Power Handling 1W

Package Information

ParameterDetailsRating
ESD250 to < 500 VoltsHBM Class 1A
Dimensions-4.83 x 6.10 mm
Moisture Sensitivity Level-MSL 1

Rev: - | Copyright © 2020 Marki Microwave LLC.

4

Electrical Specifications

The electrical specifications apply at TA=+25°C in a 50Ω system. Min and Max limits are guaranteed at TA=+25°C.

ParameterTest ConditionsMinimum
Frequency
(GHz)
Maximum
Frequency
(GHz)
MinTypMaxUnit
Amplitude Balance -0.01 12-0.61.8dB
Common Mode Rejection -0.01 121826-dB
Insertion Loss as a Mode Converter -0.01 12-56.5dB
Isolation -0.01 12-8-dB
Nominal Phase Shift -0.01 12-180-°
Phase Balance -0.01 12-512°
VSWR -0.01 12-1.6--
Impedance Ratio -- --2:1-

Rev: - | Copyright © 2020 Marki Microwave LLC.

5

Typical Performance Scattering Parameter

Three port scattering parameters measured as three single-ended 50Ω ports showing relationship between any two ports.

Common To Output Port Insertion Loss graph for BAL-0012SSG
Return loss for common port and output ports graph for BAL-0012SSG
Common Mode Rejection graph for BAL-0012SSG
Common Mode Rejection, 50 Units Spread graph for BAL-0012SSG
Amplitude balance between output ports graph for BAL-0012SSG
Amplitude Balance Between Output Ports, 50 Unit Spread graph for BAL-0012SSG

Rev: - | Copyright © 2020 Marki Microwave LLC.

6

Phase Balance Between Output Ports graph for BAL-0012SSG
Phase Balance Between Output Ports, 50 Unit Spread graph for BAL-0012SSG
Isolation Between Output Ports (dB) graph for BAL-0012SSG
Low Frequency Insertion Loss (dB) graph for BAL-0012SSG

Rev: - | Copyright © 2020 Marki Microwave LLC.

7

Typical Mixed Mode Performance Plots

Insertion Loss as a Mode Converter (dB) graph for BAL-0012SSG
Common Mode Insertion Loss (dB) graph for BAL-0012SSG
Unbalanced Port Return Loss (dB) graph for BAL-0012SSG
Differential Port Return Loss (dB) graph for BAL-0012SSG
Common Mode Return Loss (dB) graph for BAL-0012SSG

Rev: - | Copyright © 2020 Marki Microwave LLC.

8

Mechanical Data

Rev: - | Copyright © 2020 Marki Microwave LLC.

9

Rev: - | Copyright © 2020 Marki Microwave LLC.

10

Evaluation Board - Performance Data

ParameterTest ConditionsFrequency Range (GHz)MinTypMaxUnit
Impedance Ratio---2-

Rev: - | Copyright © 2020 Marki Microwave LLC.

11

Evaluation Board - Outline Drawing

Outline Drawing

Rev: - | Copyright © 2020 Marki Microwave LLC.

12