design and specifications a r e subject to change without notice. ask facto r y for technical specifications befo r e pu r chase and/or use. whenever a doubt about safety issues arises f r om this p r oduct, please info r m us immediately for technical consultation. saw filters for cellular telephone (for rf-stage) efch 11 1 m m 111 saw filter for cellular telephone which incorporates highly-precise interdigited electrodes achieves low insertion loss, high selectivity. thus the filter has wide applications to bandpass filtering circuits for cellular telephones and portable wireless equipment. n features l stable against severe conditions of vibration and shock thanks to the unique monolithic construction of the filter l low insertion loss and excellent selectivity l contributes to circuit simplification and adjustment free l saves the hight on pc board saw filters for cellular telephone n explanation of part numbers design no. n recommended applications l the rf-stage band-pass filter for cellular telephone or portable wireless equipment
design and specifications a r e subject to change without notice. ask facto r y for technical specifications befo r e pu r chase and/or use. whenever a doubt about safety issues arises f r om this p r oduct, please info r m us immediately for technical consultation. n ratings and characteristics item nominal insertion pass-band vswr system center loss width (typ.) part no. frequency (f 0 ) (typ.) saw filters for cellular telephone n dimensions in mm (not to scale) n test circuits diagram EFCH836MMNY3 amps 836. 5 m h z 4 . 0 d b 2 5 m h z 1 . 5 efch836mmte1 amps 836. 5 m h z 2 . 5 d b 2 5 m h z 1 . 7 efch836mmty4 amps 836. 5 m h z 2 . 0 d b 2 5 m h z 2 . 0 efch881mmny3 amps 881. 5 m h z 3 . 5 d b 2 5 m h z 1 . 5 efch881mmte2 amps 881. 5 m h z 2 . 0 d b 2 5 m h z 1 . 7 efch881mmty6 amps 881. 5 m h z 2 . 0 d b 2 5 m h z 1 . 8 efch888mmty4 e-tacs 888. 5 m h z 3 . 0 d b 3 3 m h z 3 . 0 efch933mmty5 e-tacs 933. 5 m h z 2 . 5 d b 3 3 m h z 2 . 7 efch856mmty5 n-tacs 856. 5 m h z 2. 5 d b 2 7 m h z 2. 0 efch856mmty3 n-tacs 856. 5 m h z 4. 0 d b 2 7 m h z 2. 8 efch911mmty2 n-tacs 911. 5 m h z 2. 5 d b 2 7 m h z 2. 0 efch911mmny1 n-tacs 911. 5 m h z 4 . 0 d b 2 7 m h z 1. 5 efch872mmty2 n t t 872. 5 m h z 4. 0 d b 1 5 m h z 2 . 7 efch927mmty2 n t t 927. 5 m h z 2. 5 d b 2 5 m h z 2 . 0 efch902mmty1 gsm 902. 5 m h z 2. 5 d b 2 5 m h z 1 . 9 efch902mmte1 gsm 902. 5 m h z 2. 0 d b 2 5 m h z 1 . 7 efch947mmty1 gsm 947. 5 m h z 2. 5 d b 2 5 m h z 1 . 9 efch947mmte2 gsm 947. 5 m h z 1. 8 d b 2 5 m h z 1 . 7 efch820mmny7 pdc 82 0 mhz 3. 4 db 2 0 mhz 1.5 efch950mmne1 pdc 95 0 m h z 3. 0 db 2 0 mhz 1.5 efch942mmne5 p d c 942. 5 m h z 3 . 0 d b 3 5 m h z 2 . 5 efch1441mty1 p d c 144 1 mhz 2 . 0 d b 2 4 m h z 1 . 6 efc h 11 1 m m 1 y 1 efc h 11 1 m m 1 e 1
design and specifications a r e subject to change without notice. ask facto r y for technical specifications befo r e pu r chase and/or use. whenever a doubt about safety issues arises f r om this p r oduct, please info r m us immediately for technical consultation. saw filters for cellular telephone n typical characteristics attenuation vs. frequency efch881mmny3 efch836mmte1 efch881mmty6 efch1441mty1 efch942mmte5
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