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B4304 Datasheet(PDF) 3 Page - EPCOS |
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B4304 Datasheet(HTML) 3 Page - EPCOS |
3 / 8 page 3 March 23, 2011 B4304 942.50 MHz SAW Components SAW Rx filter Data sheet Please read cautions and warnings and important notes at the end of this document. Characteristics Temperature range for specification: T = -20 ˚C to +75 ˚C Terminating source impedance: ZS = 50 Ω (unbalanced) Terminating load impedance: ZL = 150 Ω || 100 nH (balanced) min. typ. @ 25 ˚C max. Center frequency fC — 942.5 — MHz Maximum insertion attenuation 925.0 ... 960.0 MHz α GSM — 1.5 2.7 dB @f Carrier Bd 8 RX 927.4 ... 957.6 MHz α WCDMA 1) 1) Attenuation of WCDMA signal (“Powertransferfunction”). Please refer to annotation on page (4). — 1.5 2.0 dB Amplitude ripple (p-p) 925.0 ... 960.0 MHz ∆α — 0.9 2.1 dB Error Vector Magnitude2) 2) Error Vector Magnitude (EVM) based on definition given in 3GPP TS 25.141. @f Carrier Bd 8 RX 927.4 ... 957.6 MHz EVM — 3.0 4.5 % VSWR Input 925.0 ... 960.0 MHz — 1.9 2.2 Output 925.0 ... 960.0 MHz — 1.9 2.2 CMRR (|S21-S31| / |S21+S31|) 925.0 ... 960.0 MHz 203) 3) A CMRR of 19.6 dB corresponds to a phase imbalance of +10 ˚ together with an amplitude im- balance of +1.0 dB 25 — dB Attenuation α DC ... 480.0 MHz 45 53 — dB 480.0 ... 835.0 MHz 33 46 — dB 835.0 ... 880.0 MHz 30 34 — dB @f Carrier Bd 8 TX 882.4 ... 912.6 MHz α WCDMA 1) 30 34 — dB 880.0 ... 915.0 MHz α GSM 30 33 — dB 915.0 ... 922.0 MHz 1.0 2.5 — dB 980.0 ... 982.0 MHz 20 30 — dB 982.0 ... 1000.0 MHz 23 30 — dB 1850.0 ... 1920.0 MHz 40 47 — dB 2775.0 ... 2880.0 MHz 36 41 — dB 3700.0 ... 3840.0 MHz 38 50 — dB 1000.0 ... 1500.0 MHz 23 32 — dB 1500.0 ... 6000.0 MHz 23 34 — dB |
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