KHz Band Ceramic IF Filters KBF-RL, PL Series FEATURES * * * * Small and high selectivity Low insertion loss Adjustment free Various pass band width available APPLICATIONS * * * * TEST CIRCUIT filter Output R1 Walkie & Talkie Car audio (AM radio section) Cordless phone Remote control receiver Input Ground Rg HOW TO ORDER C RF V.M. R2 S.S.G. KBF - 455 RL - 20 A Selectivity A = High selectivity AS = Super high selectivity R1+Rg=R2=Rating impedance of input/output matching Pass Band-Width (kHz) at 6dB * C<50pF (Including stray capacitance and input capacitance) DIMENSIONS KBF-RL Series (6 Elements) 11.0 (0.433) Marking KBF-PL Series (4 Elements) 7.0 (0.276) 8.0 (0.315) 7.5 (0.295) 4.3 (0.169) 6 Elements = 20, 15, 10, 9, 7, 6, 4 4 Elements = 25, 20, 15, 10, 9, 7, 6, 4 millimeters (inches) Marking 7.0 (0.276) Number of Element RL = 6 Elements PL = 4 Elements 7.2 (0.283) 2.2 (0.087) (3.0) 0.7 (0.028) 0.5 (0.020) 4.3 (0.169) 3.0 (0.118) 0.15 (0.006) Center Frequency 0.7 (0.028) 0.5 (0.020) 450-460kHz available 0.15 (0.006) 5 4 3 1 7.0 (0.276) 2 0.9 (0.035) 1.2 (0.047) 2.9 (0.114) 2.9 (0.114) 2.6 (0.102) Input 3 Output 1 2 7.0 (0.276) Ground Ground 0.8 (0.031) Ground Series 1.2 (0.047) 2.7 (0.106) Input Output Ground SPECIFICATIONS (455 kHz) KBF-RL Series (6 Elements) Part Number KBF-455RL-20A KBF-455RL-15A KBF-455RL-12A KBF-455RL-10A KBF-455RL- 9A KBF-455RL- 7A KBF-455RL- 6AS KBF-455RL- 4AS Center Frequency (f0) Pass Band Width Ripple 455kHz1.5kHz 2.0dB max. 455kHz1.0kHz 6dB 40dB 10kHz 7.5kHz 6.0kHz 5.0kHz 4.5kHz 3.5kHz 3.0kHz 2.0kHz min. 20kHz min. 15kHz min. 12.5kHz min. 12kHz min. 10kHz min. 9kHz min. 9kHz min. 7.5kHz Stop Band Insertion Input/Output Operating Matching Attenuation Loss Impedance Temperature max. 4dB max. 1.5k max. max. max. 37dB min. -20C to max. 6dB max. +80C max. 2.0k max. 55dB min. max. KBF-PL Series (4 Elements) Part Number KBF-455PL-25A KBF-455PL-20A KBF-455PL-15A KBF-455PL-12A KBF-455PL-10A KBF-455PL- 7A KBF-455PL- 6AS KBF-455PL- 4AS Center Frequency (f0) 455kHz1.5kHz 2.0dB max. 455kHz1.0kHz Note: Center frequency is 450-460kHz available 44 Pass Band Width Ripple 6dB 12.5kHz 10.0kHz 7.5kHz 6.0kHz 5.0kHz 3.5kHz 3.0kHz 2.0kHz min. min. min. min. min. min. min. min. 40dB 24kHz 20kHz 15kHz 12.5kHz 12kHz 9kHz 9kHz 7.5kHz Stop Band Insertion Input/Output Operating Matching Attenuation Loss Impedance Temperature max. 4dB max. 1.5k max. max. 27dB min. max. -20C to max. 6dB max. 2.0k +80C max. max. 35dB min. max.