Lumped Element Directional Couplers: CL SeriesSource: Microwave Communications Laboratories, Inc. (MCLI)
MCLI’s CL Series of lumped element directional couplers covers the 0.1-1300 MHz (SMA) and 0.1-850 MHz (NF) frequency ranges and features high directivity, high quality, and low VSWR. This series has an operating temperature range of -55oC to + 85oC.
Directional couplers measure signals by passing it between the input and output ports, and then applying a small portion of the signal power to the coupling port. At a minimum, a directional coupler will have one input, one output, and one coupling port. The coupling signals are isolated from the line output port to prevent signal reflections. Specifications for the CL series of lumped element directional couplers can be found on the available datasheet.