The Keysight 44478B Multiplexer Module is an ideal choice for broadband switching of high-frequency or fast pulse signals. Dual 1-to-4 multiplexers provide bi-directional switching of signals from DC to 1.3GHz. High-channel isolation (>55 dB at 1 GHz) assures quality dynamic-range measurements using spectrum, network, or distortion analyzers. Each 1-to-4 multiplexer consists of seven relays in a “tree” structure, which provides high isolation and low VSWR (voltage standing wave ratio). All the connectors on the module’s edge are female BNC for ease of wiring. Off-channels can be terminated in resistors to maintain proper operation of DUT circuitry. Simply plug a 50/75 Ohm SMB type resistive termination onto the on-board male SMB connector provided for each channel.

Standard Product Includes:

44478B Dual 1×4 RF Multiplexer Module

1 Connection Terminal

1 Certificate of Verification

Switching up to 1A, 24W or 24VA

Insertion loss less than 1.9dB at 1.3GHz

Maximum Scan Rate: 43 Chans/sec

Maximum Voltage: 42V, DC+AC peak

Maximum Current: 1A

Maximum Power:

Per channel: 24W, 24VA or 44dBm, Characteristic Impedance: 75 Ohm

For complete information, click on the 3499 Data Sheet link

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