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Mini-Circuits: LTCC Products

LTCC Product Line Overview

LTCC (Low Temperature Co-Fired Ceramic) devices are manufactured as a single monolithic component by embedding capacitors, inductors, and distributed parameter structures into a multilayer ceramic substrate and sintering it.

LTCC passive components have become established as a leading component technology due to their combination of superior performance, small size, reliability, and cost-effectiveness. Based on over 20 years of research and development and numerous valid patents, Mini-Circuits' design team possesses industry-leading knowledge of LTCC materials, design methodologies, and manufacturing processes.

LTCC products

The world's widest range of products

We have over 750 different models in stock.
·coupler
Filter
・Balance filter
Splitter / Combiner
・Through line
Transformers / Varan

Technical strengths

■ Performance
• Broadband operating range (VHF to millimeter wave)
- Supports all types of circuit implementations, including lumped-parameter, distributed-parameter, and cavity (SIW) designs.
・0202 Excellent power handling capabilities despite its small size.

■ Practicality
No packaging required
Surface mount devices
• Miniaturization support
• Robust, one-piece construction: Meets reliability standards for military, space, cryogenic, high-vibration, and high-temperature environments.

■ Economic efficiency
- Flexible capacity to handle manufacturing quantities ranging from medium-scale (several thousand) to large-scale (several million).
• Low NRE (Non-Repeatable Costs) with custom design support
• Non-Recurring Engineering (One-time design and development costs): Initial costs incurred for product design and prototyping.
• Fast design time / lead time support

■ Proprietary material system
- Ceramic powder conductive paste (Dk value close to that of organic substrates/PCBs)
Dk value: Dielectric constant
• Dielectrics with low dielectric constant
- Low insertion loss in the high-frequency range

■ Proprietary circuit topology
Lumped-parameter topology to distributed-parameter topology
・High Q resonant circuit
• Cavity (SIW) circuit configuration
Supports high-frequency range to millimeter-wave range.
- Maximum filter stopband rejection ratio of 100dB

■ Material Modeling Simulation Technology
• Advanced material property evaluation: Data from the fields of electrical, mechanical, and environmental engineering.
Simulation ⇔ Actual measurement data: Improved fidelity / reproducibility
• Faster design cycle
- Custom design services at a fair price that takes customer needs into consideration.

LTCC Product Lineup

Filter products

Filter products
We offer over 3000 types of custom designs to meet almost any need.
- Spurious emission reduction using patented MMIC anti-reflective filter
• Cavity filters and substrate-suspended filters with sharp removal characteristics
- Smallest LTCC filter, size 0603
• Passband from DC to 86GHz

The filter product lineup includes the following:
- Reflection-free filter (bandpass)
- Anti-reflective filter (high-pass filter)
- Anti-reflective filter (low-pass filter)

Coupler Products


Coupler Products
With a wide frequency range from DC to 65GHz and power handling capacities from 0.5W to 250W, we offer a lineup of over 475 different models.
- Supports transformer-based, LTCC, stripline/microstrip, bridge, and MMIC.
- Surface mount and coaxial types available
• Wide range of options for 50Ω and 75Ω systems

The coupler product lineup is as follows:
·coupler
• Die (chip) for coupler

Power Splitter Products


Power Splitter Products
The lineup includes models that support a frequency range of DC to 67GHz, 50Ω/75Ω systems, and 2-way, 3-way, 4-way, 6-way, 8-way, 10-way, 12-way, 16-way, and up to 24-way distribution.
Coaxial, surface-mount, and MMIC die formats are available.
• Various connectors (SMA, N, F, BNC, 2.92mm, 2.4mm, 1.85mm, 7/16 DIN)
• Maximum power handling capacity of 100W
DC pass-through and DC interruption
・ Over 500 types

The Power Splitter product lineup is as follows:
Power Splitter
• Die (chip) for power splitter

Trans & Balance


Transformer & Balun Products
We offer a lineup of over 500 types of transformers and baluns in a wide range of configurations, including DC-through and DC-isolated types, supporting single-ended, balanced, and differential transmission lines from DC to 24GHz.
- Surface mount and coaxial cases
0603 size ultra-compact LTCC model
- Wideband MMIC balun supporting up to 24GHz
50Ω / 75Ω Matching Transformer / Matching Pad

The product lineup for transformers and balances is as follows:
RF transformer
RF balance

Related Information

Mini-Circuits offers a wide range of RF filter products to meet diverse needs.

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