Series 3410 Bias-T lightning EMP protectors High-power/low-IM gas discharge tube (GDT) hybrid technology with Bias-T Description HUBER+SUHNER series 3410 high-power gas discharge tube (GDT) protectors with integrated high-pass filter and DC injection port belong to the family of ultimate GDT protectors – suitable to meet the demanding high RF performance and protection requirements of future mobile communications transceivers with DC powe- ring of outdoor equipment. The customer is freed from any RF power and IM per- formance considerations. Thus, the protectors are especially suitable for multicarrier systems. The integrated high-pass provides an improved pro- tection performance to series 3409 protectors. As the high-pass filter means a DC-blocking on the protec- ted side of the component, this design is especially suitable for products with integrated DC injection facility. Features • DC-blocking on protected side of the device (galvanic isolation) • DC injection up to 48 V • RF peak power not limited by gas discharge tube • Superior RF performance, PIM level lower −150 dBc available • Excellent low PIM performance • Availability for application bands between 690 MHz and 2700 MHz • Safe extinguishing of gas discharge tube under the influence of RF power • Waterproof IP65 • Gas discharge tube installed (90 V, 9071.99.0548 for Semper 9071.99.0747) • AISG transmission capability (optional) • Semper self-extinguishing functionality (optional, see page 91) General specification Electrical data RF characteristics Impedance Frequency range Return loss (RL) Insertion loss (IL) Passive intermodulation (PIM) RF power transmission and DC current ratings Protection characteristics Surge current handling capability Residual pulse voltage and energy 50 Ω according to product detail specification (data sheet) 20 dB min., refer to product detail specification (data sheet) 0.2 dB max. refer to product detail specification (data sheet) according to product detail specification (data sheet) typ. –160 dBc 3rd order at 2 x 20 W / 2 x 43 dBm according to product detail specification (data sheet) test pulse 8/20 µs single 8/20 µs multiple 10/350 µs 30 kA 20 kA 8 kA according to product detail specification 72
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