1.85 RF connector functions and main specifications

1.85 RF connectors are generally considered to be a component that is attached to a cable or mounted on an instrument as a component for the electrical connection or separation of transmission lines. The purpose of the 1.85 RF connector is to connect or disconnect two RF ports when needed for the electrical connection, separation, or transfer of different types of transmission lines. 1.85 RF connectors are usually considered a component mounted on a cable or installed on an instrument, acting as an element for the electrical connection or separation of transmission lines, mainly as a bridge.

The following is a list of catalogs:

• l The functions of 1.85 RF connectors

• l 1.85 RF connector main specifications

The functions of 1.85 RF connectors

1.85 RF connectors are mainly divided into three categories: 1.85 RF coaxial connectors, 1.85 RF triaxial connectors, and dual-core symmetrical RF connectors. The main uses are as follows:

1, 1.85 RF coaxial connector: mainly used to transmit transverse electromagnetic wave (TEM wave).

2, 1.85 RF triaxial connectors: mainly used for higher requirements for shielding efficiency, the transmission of transverse electromagnetic wave (TEM wave), or transmission of pulse wave.

3, Two-core symmetrical RF connectors: mainly used to transmit digital signals with less high rate.

1.85 RF connector main specifications

VSWR (Voltage Standing Wave Ratio): Ideally it should be unity, good design and implementation can keep VSWR below 1.2 in the range of interest.

Frequency Range: Most RF operations are now in the 1 to 10 GHz range, so 1.85 RF connectors must have low losses in this region. For cases above 10 GHz - there is a lot of work now in the 10 to 40 GHz range of things - there are newer connectors from which to choose. They are expensive as is the cable itself.

Insertion loss: This is the 1.85 RF connector loss in the frequency range of interest. Losses are typically in the range of 0.1 and 0.3 dB. Determining how critical per watt (or fractional watt) is in most designs, even such small losses must be minimized and factored into the link loss budget. It is especially important in low-noise front ends when signal strength and signal-to-noise ratio are low.

Operational cycles: How many connect/disconnect cycles can a connection endure and still meet its specifications? This is typically in the range of 500 or 1000 cycles. The tightening torque specified by the supplier of the threaded connector is an important factor in maintaining performance and reliability.

Power: Power handling is determined by both resistive losses (heating) and insulation breakdown. While even decades of design were dominated by pre-processing tens of watts, today's design community focuses on low-power devices such as cell phones, femtocell and femtocell base stations, video interfaces, 1.85 RF connectors, and gadgets. These are in the sub-1W range, so connectors can be much smaller and their power ratings are much less constrained.

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