Model D30NA20Z4 Surface Mount Attenuator 30 Watts, 20dB The D30NA20Z4 is a high performance Aluminum Nitride (AlN) chip attenuator intended as a cost competitive alternative to Beryllium Oxide (BeO). The attenuator is well suited to all cellular frequency bands such as; AMPS, GSM, DCS, PCS, PHS and UMTS. The high power handling makes the part ideal for inter-stage matching, directional couplers, and for use in isolators. The attenuator is also RoHS compliant! Features: RoHS Compliant 30 Watts Low Cost DC - 4.0GHz AlN Ceramic Non-Nichrome Resistive Element Low VSWR 100% Tested General Specifications Resistive Element Substrate Terminal Finish Operating Temperature Thick film AlN Ceramic Matte Tin over Nickel Barrier -55 to +200C (see de rating chart) Tolerance is 0.010", unless otherwise specified. Designed to meet or exceed applicable portions of MIL-E-5400. All dimensions in inches. Electrical Specifications Attenuation Value: Power: Frequency Range: Input Return Loss: 20.2dB +/- .4dB; DC - 3.0GHz 20.0dB +/- .6db; 3.0 - 4.0GHz 30 Watts DC - 4.0GHz 20dB DC - 3.0GHz 16dB 3.0 - 4.0GHz Specification based on unit properly installed using suggested mounting instructions and a 50 ohm nominal impedance. Specifications subject to change. Outline Drawing ** FOR PROPER OPERATION PAD `A' MUST BE CONNECTED TO THE INPUT UNLESS OTHERWISE SPECIFIED ALL DIMENSIONS ARE IN INCHES 1 of 2 USA/Canada: Toll Free: Europe: (315) 432-8909 (800) 544-2414 +44 2392-232392 Model D30NA20Z4 Typical Performance: D30NA20Z4 Return Loss D30NA20Z4 Return Loss D30NA20Z4 Attenuation D30NA20Z4 Attenuation LinearFrequency Nexxim1 ANSOFT -19.00 -20.00 -19.25 -25.00 -19.50 -30.00 -19.75 -35.00 ANSOFT -20.00 -40.00 -20.25 -45.00 -20.50 -50.00 -20.75 -55.00 0.30 Nexxim1 dB(S(Port2,Port1)) dB(S(Port1,Port1)) -15.00 1.30 2.30 Frequency [GHz] 3.30 4.00 Power De-rating: -21.00 0.30 1.30 2.30 Frequency [GHz] 3.30 4.00 Tape and Reel: *Actual performance could be limited by the solder properties of the application Mounting Footprint: 2 of 2 USA/Canada: Toll Free: Europe: (315) 432-8909 (800) 544-2414 +44 2392-232392