SAW Components
Data Sheet B3815
SAW Components Low-Loss Filter Data Sheet
B3815 385,0 MHz
Ceramic package QCC8B
Features Low-loss filter for Trunked Radio Usable bandwidth 10 MHz No matching required for operation at 50 Ω Unbalanced to unbalanced or unbalanced to balanced operation q Package for Surface Mounted Technology (SMT) q Hermetically sealed ceramic package
q q q q
Terminals
q Gold-plated
typ. Dimensions in mm, approx. weight 0,07 g
Pin configuration 5 1 2 3, 6, 7 4, 8 Input Output / Output balanced Output ground / Output balanced Ground Input ground / Case ground
Type B3815
Ordering code B39391-B3815-Z810
Marking and Package according to
C61157-A7-A46
Packing according to
F61074-V8037-Z000
Electrostatic Sensitive Device (ESD)
Maximum ratings Operable temperature range Storage temperature range DC voltage ESD voltage Source power
TA Tstg VDC VESD Ps
-30 / +70 -40 / +85 0 100 15
˚C ˚C V V dBm
source impedance 50 Ω
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May 15, 2002
SAW Components Low-Loss Filter Data Sheet
Characteristics Operating temperature range: Terminating source impedance: Terminating load impedance:
B3815 385,0 MHz
TA = +15 ... +35 ˚C ZS = 50 Ω unbalanced or unbalanced to balanced ZL = 50 Ω unbalanced or unbalanced to balanced
min. Nominal frequency Maximum insertion attenuation 380,0 MHz ... 390,0 MHz Amplitude ripple (p-p) 380,0 MHz ... 390,0 MHz Return loss (Input and Output) 380,0 MHz ... 390,0 MHz VSWR 380,0 MHz ... 390,0 MHz Absolute attenuation 0,1 MHz ... 350,0 MHz 350,0 MHz ... 370,0 MHz 400,0 MHz ... 430,0 MHz 430,0 MHz ... 760,0 MHz 760,0 MHz ... 1496,0 MHz 1496,0 MHz ... 2600,0 MHz 2600,0 MHz ... 4000,0 MHz Symmetry in band |S31|/|S21| arg(S31/S21) 380,0 ... 390,0 380,0 ... 390,0 MHz MHz -0,5 170 αabs 40 13 10 44 30 20 5 —
typ. 385,0
max. — MHz
fN
αmax
—
— ∆α —
2,4
3,5
dB
0,5
1,5
dB
10,0
12,0
—
dB
1,7:1
2,0:1
50 35 20 54 35 25 6
— — — — — — —
dB dB dB dB dB dB dB
0,5 180 – 70
1,5 190 —
dB ˚ ppm/K
Temperature coefficient of frequency
TCf
—
3
May 15, 2002
SAW Components Low-Loss Filter Data Sheet
Characteristics Operating temperature range: Terminating source impedance: Terminating load impedance:
B3815 385,0 MHz
TA = -30 ... +70 ˚C ZS = 50 Ω unbalanced or unbalanced to balanced ZL = 50 Ω unbalanced or unbalanced to balanced
min. Nominal frequency Maximum insertion attenuation 380,0 MHz ... 390,0 MHz Amplitude ripple (p-p) 380,0 MHz ... 390,0 MHz Return loss (Input and Output) 380,0 MHz ... 390,0 MHz VSWR 380,0 MHz ... 390,0 MHz Absolute attenuation 0,1 MHz ... 350,0 MHz 350,0 MHz ... 370,0 MHz 400,0 MHz ... 430,0 MHz 430,0 MHz ... 760,0 MHz 760,0 MHz ... 1496,0 MHz 1496,0 MHz ... 2600,0 MHz 2600,0 MHz ... 4000,0 MHz Symmetry in band |S31|/|S21| arg(S31/S21) 380,0 ... 390,0 380,0 ... 390,0 MHz MHz -0,5 170 αabs 40 13 10 44 30 20 5 —
typ. 385,0
max. — MHz
fN
αmax
—
— ∆α —
2,6
4,0
dB
0,7
2,0
dB
10,0
12,0
—
dB
1,8:1
2,0:1
50 25 17 52 35 25 6
— — — — — — —
dB dB dB dB dB dB dB
0,5 180 – 70
1,5 190 —
dB ˚ ppm/K
Temperature coefficient of frequency
TCf
—
4
May 15, 2002
SAW Components Low-Loss Filter Data Sheet
Transfer function
B3815 385,0 MHz
Normalized transfer function (pass band; +15 ˚C ... +35 ˚C)
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May 15, 2002
SAW Components Low-Loss Filter Data Sheet
Amplitude symmetry |S31|/|S21|
B3815 385,0 MHz
Phase symmetry arg(S31/S21) - 180˚
6
May 15, 2002
SAW Components Low-Loss Filter Data Sheet
B3815 385,0 MHz
Published by EPCOS AG Surface Acoustic Wave Components Division, SAW MC IS P.O. Box 80 17 09, 81617 Munich, GERMANY © EPCOS AG 2002. Reproduction, publication and dissemination of this brochure and the information contained therein without EPCOS’ prior express consent is prohibited. Purchase orders are subject to the General Conditions for the Supply of Products and Services of the Electrical and Electronics Industry recommended by the ZVEI (German Electrical and Electronic Manufacturers’ Association), unless otherwise agreed. This brochure replaces the previous edition. For questions on technology, prices and delivery please contact the Sales Offices of EPCOS AG or the international Representatives. Due to technical requirements components may contain dangerous substances. For information on the type in question please also contact one of our Sales Offices.
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May 15, 2002