Commercial Base Station Solutions/Filters

Available in standard wireless bands: AMPS, GSM, DCS, UMTS, WCDMA, PCS, WiMax, and LTE

Functionality

• Band pass
• Lowpass
• Highpass
• Cheb, Bessel, …
• Elliptic Filter
• Quasi elliptic (transmission zero)

SDP employs different technologies to achieve trade-off between performance, low cost, and manufacturability

• Combline; coax cavity with capacitive gap (For Q factor ≤ 6,000)
• DR; dielectric resonator puck (For Q factor ≥ 15,000)
• Cavity filters
• Tubular topology
• Lumped elements
• Suspended substrate/ Stripline filter
• Waveguide filters
• Special configuration with advanced propagation mode LSE, TM, dual mode, etc.