B9438 데이터 시트보기 (PDF) - EPCOS AG
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B9438 Datasheet PDF : 9 Pages
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SAW Components
SAW TX Filter
Data sheet
Characteristics
Temperature range for specification:
Terminating source impedance:
Terminating load impedance:
T = –30 ˚C to +85 ˚C
ZS = 100 Ω (balanced)
ZL = 50 Ω
B9438
836.50 MHz
Center frequency
B9438
min. typ. max.
@ 25 ˚C
fC
––
836.5
–– MHz
Maximum insertion attenuation
824.0 ... 849.0 MHz αmax
––
@fCarrier 826.4 ... 846.6 MHz αWCDMA1) ––
Amplitude ripple (p-p)
824.0 ... 849.0 MHz ∆α
––
824.0 ... 849.0 MHz ∆α5MHz2) ––
Group delay ripple
824.0 ... 849.0 MHz ∆τ5MHz3)
––
Error Vector Magnitude3)
@fCarrier 826.4 ... 846.6 MHz EVM
––
Input VSWR
824.0 ... 849.0 MHz
––
Output VSWR
824.0 ... 849.0 MHz
––
Output amplitude balance
(|S31/S21|)
824.0 ... 849.0 MHz
–1
Output phase balance
(φ(S31) – φ(S21)+180˚)
824.0 ... 849.0 MHz
–8
Attenuation
α
0.0 ... 804.0 MHz
33
869.0 ... 894.0 MHz
33
@fCarrier 871.4 ... 891.6 MHz αWCDMA1) 33
894.0 ... 1452.0 MHz
33
1452.0 ... 1675.0 MHz
40
1675.0 ... 2400.0 MHz
38
2400.0 ... 2500.0 MHz
35
2500.0 ... 2600.0 MHz
35
2600.0 ... 4000.0 MHz
38
4000.0 ... 5150.0 MHz
35
5150.0 ... 6000.0 MHz
28
1.7
1.6
0.6
0.5
20
1.7
1.7
1.7
–0 / 0.8
–1 / 3
35
37
37
38
55
45
43
40
45
42
33
2.3 dB
1.9 dB
1.1 dB
0.9 dB
35 ns
2.0 %
2.0
2.0
+1 dB
+8 ˚
–– dB
–– dB
–– dB
–– dB
–– dB
–– dB
–– dB
–– dB
–– dB
–– dB
–– dB
1) Attenuation of WCDMA signal (“Powertransferfunction”). Please refer to annotation on page (5).
2) Ripple determined within any 5MHz channel.
3) Error Vector Magnitude (EVM) based on definition given in 3GPP TS 25.141.
Please read cautions and warnings and
important notes at the end of this document.
4 June 23, 2008
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