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Coax Ferrite Circulators
a common application for a circulator is as an inexpensive duplexer (a transmitter and receiver sharing one antenna). Figure 2 shows that when the transmitter sends a signal, the output goes directly to the antenna port and is isolated from the receiver. Good isolation is key to ensure that a high-power transmitter output signal does not get back the receiver front end as is governed by the return loss of the antenna. In this configuration, all signals from the antenna go straight to the receiver and not the transmitter because of the circular signal flow (remember the cup of water).
Alcatel Tunable VHF Coaxial Ferrite Circulator / Isolator 136MHz-174MH SpecificationsFrequency Range: 137MHz-174MHz ( Tunable)Bandwidth: +/-4MHzVSWR: 1.25:1 Isolation: 50dB (min)Insertion Loss: 1.2dB (max)Power Input: 125 Watts
EYou Electronics can supply a wide range of coaxial ferrite circulators, please contact us if you need a specified circulator and quantity. Special Order (or) Backordered Item - call or send your e-mail for availability and price before ordering !
Please contact us if you need a specified circulator.