Description High power base station duplex filter for the 140 – 175 MHz range. The use of large ø125 mm cavities means a high Q, resulting in a very small duplex spacing. The large dimensions also mean a high power rating. High frequency stability on temperature and power. Mounting brackets for 19” mounting included. Please specify the frequencies for TX and RX when ordering. Specifications Electrical Model DPF 2/22-125 DPF 2/33-125 DPF 2/33-125 Frequency 140 – 175 MHz Max. Input Power 300 W Min. Duplex Spacing 800 kHz 600 kHz 500 kHz Insertion Loss < 1.0 dB < 1.5 dB < 2.0 dB Impedance 50 Ω Attenuation 70 dB 90 dB 90 dB VSWR < 1.5:1 Cavities 4 6 6 Mechanical Connection(s) N(f) Dimensions 260 x 483 x 600 (700) mm (incl. adjustment bolts) / 10.24 x 19.02 x 23.62 (27.56) in. Weight Approx. 8 kg / 17.64 lb. Approx. 14 kg / 30.86 lb. Approx. 14 kg / 30.86 lb. Environmental Operating Temperature Range -30°C to 60°C Frequency Stability 1.5 ppm/° C (approx.) Diagram and Mounting TYPICAL RESPONSE CURVES @ 0.8 MHz DUPLEX SPACING TYPICAL RESPONSE CURVES @ 0.6 MHz DUPLEX SPACING
