3-Port Measurements with Vector Network Analyzer R&S®ZVR

3-Port Adapter ZVR-B8 is an optional accessory to all Vector Network Analyzers of the ZVR family, namely ZVRL, ZVRE, and ZVR, and extends the two test ports PORT1 and PORT2 to a total of three test ports PORT1, PORT2 and PORT3. The option comprises an electronic single-pole double-throw switch (SPDT) by means of which PORT1 of the analyzer is switched to either PORT1 or PORT3 of 3-Port Adapter. Test port PORT2 of the analyzer is directly connected to PORT2 of the 3-Port Adapter and is not switched over.