B4048
B4048 is Low-Loss Filter manufactured by EPCOS.
Features s Low-loss IF filter for wireless LAN s Balanced to balanced operation s No matching network required for operation s s s s at 200 Ω Low amplitude ripple Low group delay ripple Usable passband 20 MHz Package for Surface Mounted Technology (SMT)
Terminals s Gold-plated Ni
Dimensions in mm, approx. weight 0,037 g Pin configuration 1 2 3, 7 5 6 4, 8 Balanced Input Balanced Input or input grounded To be grounded Balanced output Balanced output or output ground Case ground, to be grounded
Type B4048
Ordering code B39122-B4048-U810
Marking and Package according to C61157-A7-A67
Packing according to F61074-V8101-Z000
Electrostatic Sensitive Device (ESD)
Maximum ratings Operating temperature range T Storage temperature range Tstg DC voltage VDC Input power max. 10 /+ 85
- 40 /+ 85 0 0 ˚C ˚C V d Bm source and load impedance 200 Ω continuous wave signal
Oct 23, 2000
SAW ponents Low-Loss Filter for Mobile munication Preliminary Data
Characteristics Operating temperature range: Terminating source impedance: Terminating load impedance:
B4048 1200,0 MHz
T ZS ZL
= 10˚C to 85˚C = 200 Ω = 200 Ω min. typ. 1200,0 max.
- MHz
Center frequency Maximum insertion attenuation 1190,0 ... 1210,0 MHz Amplitude ripple (p-p) 1190,0 ... 1210,0 MHz Group delay ripple (p-p) 1190,0 ... 1210,0 MHz Group delay 1190,0 ... 1210,0 MHz VSWR 1190,0 ... 1210,0 MHz Absolute attenuation 0,0 ... 1100,0 MHz 1100,0 ... 1160,0 MHz 1160,0 ... 1170,0 MHz 1230,0 ... 1240,0 MHz 1240,0 ... 1800,0 MHz 1800,0 ... 4000,0 MHz f C
αmax
- - ∆α
- 3,4
4,2 d B
1,3
2,0 d B
∆τ
- 8,6
20,0 ns
τ
25,0
41,5
55,0 ns
- α 43,0 40,0 32,0 30,0 40,0 35,0
1,4
1,6
49,0 47,0 40,0 38,0 44,0 42,0
- -
- -
- -...
