In microwave and high-frequency systems, PCB connector selection plays a vital role in ensuring signal integrity and system performance. RF and microwave system design engineers usually rely on vertical launch PCB connectors because they are miniature in size, have excellent electrical properties, and provide a snug fit for advanced test and measurement systems. Among the commonly used types, the 2.92 vertical launch PCB connector and 1.85 vertical launch PCB connector are the most critical in high-speed designs.
Why Vertical Launch PCB Connectors Are Important
Vertical launch connectors are optimized to reduce signal reflection and loss, providing precise transmission over high-frequency ranges. Contrary to edge-mount connectors, vertical launch versions facilitate straight perpendicular transitions between PCB traces and coaxial, with the advantage of retaining performance. Their space-saving design also positions them as the go-to choice in densely populated designs.
The 2.92 Vertical Launch PCB Connector
The 2.92 mm connector, or K connector, is a widely popular solution that finds application in microwave and millimeter-wave products. It can support frequencies of up to 40 GHz and hence is ideal for advanced test equipment, radar systems, 5G components, and satellite communications.
Primary advantages are:
1. Low VSWR for superior signal integrity.
2. Interoperability with SMA and 3.5 mm connectors, providing versatility in design.
3. Reliability through precision machining provides reliability over the long term.
The 1.85 Vertical Launch PCB Connector
When applications demand more than 40 GHz, the 1.85 mm connector takes over as an even better option. Alternatively referred to as the V connector, it accommodates frequencies of up to 67 GHz, making it the leading solution for next-generation comms systems, high-resolution radar, and aerospace testing.
Key advantages are:
● Increased frequency range for advanced RF applications.
● Durable mechanical design for repeated insertions.
● Accurate alignment that minimizes measurement uncertainty.
With the addition of the 1.85 vertical launch PCB connector, engineers can have confidence in supporting ultra-high-frequency applications with less signal degradation.
Vertical Launch PCB Connector Applications
The 2.92 mm and 1.85 mm connectors are applied in various industries:
1. Telecommunications – enabling lossless 5G and beyond connectivity.
2. Aerospace and Defense – enabling advanced radar and satellite systems.
3. Test & Measurement – supporting high-frequency probes and laboratory instruments.
Locating the Ideal Solution
The choice between a 2.92 vertical launch PCB connector and a 1.85 vertical launch PCB connector is based on the particular frequency demands and mechanical strength requirements of the project. Though the 2.92 mm solution encompasses the majority of high-frequency applications, the 1.85 mm solution guarantees operation on the leading edge of technology.
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