LTCC Filters Enhance Differential Circuit Designs

Today’s RF transceiver designs are using differential circuits for more of the signal chain before the ADC and after the DAC. See how Mini-Circuits’ LTCC dual/differential filters and integrated balun-filters provide an ideal solution for anti-aliasing while simplifying implementation and saving board space.

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How to Select a Mixer

How to Select a Mixer

Select the proper mixer for your needs. There are hundreds of models available. Under-specify and face marginal performance, over-specify and pay for more than you need. Here's the proper approach.
Terms and Definitions: Directional Couplers

Terms and Definitions: Directional Couplers

All the terms you need to know to make informed decisions about the right direction coupler for your application.
DAT Series Powered Through a Voltage Divider Network

DAT Series Powered Through a Voltage Divider Network

The Mini-Circuits DAT series is specified to operate with supply voltages over the range of 2.7V to 3.3V. When operating over this range, the parts meet all their specified performance parameters over the operating environmental ranges.
Figure of Merit of Mixer Intermod Performance

Figure of Merit of Mixer Intermod Performance

Higher IP3, up to a point, can be obtained in a mixer at the expense of LO power in a given design; or, by a better design. Higher LO power means more DC power and more hardware. This paper defines a figure of merit that will be useful in judging the IP3 performance of mixers.
Frequently Asked Questions About Directional Couplers

Frequently Asked Questions About Directional Couplers

Read through frequently asked questions about directional couplers for all you need to know about general information and specific applications.
Novel Passive FET Mixers Provide Superior Dynamic Range

Novel Passive FET Mixers Provide Superior Dynamic Range

The dual-double-balanced configuration of these FET mixers helps to improve dynamic range with reduced conversion loss and noise figure without expending DC bias.
Fixed Attenuators Help Minimize Impedance Mismatches

Fixed Attenuators Help Minimize Impedance Mismatches

Fixed attenuators are invaluable problem solvers for circuit-level and system-level designers. In addition to controlling amplitude levels, fixed attenuators can improve the impedance match between impedance-sensitive devices, such as amplifiers and filters, and provide the isolation needed to stabilize oscillators.
Improve Two-Tone, Third-Order Intermodulation Testing

Improve Two-Tone, Third-Order Intermodulation Testing

Two-tone, third-order distortion must be measured under specific performance conditions. The two most common errors in the measuring process are (1) failure to provide adequate isolation between the two input signal generators and proper impedance matching, and (2) insufficient filtering of the two input test signals.
RF Transformers

RF Transformers

RF transformers are widely used in low-power electronic circuits for impedance matching to achieve maximum power transfer, for voltage step-up or step-down, and for isolating DC from two circuits while maintaining ac continuity.
Automated Load Pull Measurement of Voltage Controlled Oscillators

Automated Load Pull Measurement of Voltage Controlled Oscillators

It is a standard industry practice to measure the variation of the frequency when the VCO output is seeing a load with 12 dB return loss. A skilled technician may take minutes to hours manually. Mini-Circuits has developed an electronic line stretcher that can be used to automate these measurements.
How RF Transformers Work and How They Are Measured

How RF Transformers Work and How They Are Measured

This article will describe the relationship between impedance relationships and transformer circuits with reference to transformers with turns ratios greater than 1:1 described as step-up.
Surface Mount Assembly of Mini-Circuits Components

Surface Mount Assembly of Mini-Circuits Components

While all surface mount parts are designed to meet industry standards for SMD assembly, the wise customer will understand that variations in process and materials need to be accounted for when developing an assembly method. This article is intended as a primer to assist the customer in hi development of an efficient and controlled process.