SAW Components
Data Sheet B3647
SAW Components Low-Loss Filter Data Sheet
B3647 125,0 MHz
Ceramic package QCC10B
Features
q Low-loss wideband IF filter q No matching required for operation at 50 Ω q Package for Surface Mounted Technology
(SMT) Terminals
q Gold-plated
Dimensions in mm, approx. weight 0,2 g Pin configuration 10 9 5 4 2, 7 1, 3, 6, 8 Input Input ground Output Output ground Ground Case – ground
Type B3647
Ordering code B39131-B3647-Z710
Marking and Package according to C61157-A7-A49
Packing according to F61064-V8035-Z000
Electrostatic Sensitive Device (ESD)
Maximum ratings Operable temperature range Storage temperature range DC voltage Source power
T Tstg VDC Ps
– 25/+ 85 – 40/+ 125 0 10
˚C ˚C V dBm
2
Feb 04, 2004
SAW Components Low-Loss Filter Data Sheet
Characteristics Operating temperature: Terminating source impedance: Terminating load impedance:
B3647 125,0 MHz
TA = -10 – +85 ˚C ZS = 50 Ω ZL = 50 Ω
min. typ. 125,0 1,5 max. — 3,2 MHz dB
Nominal frequency Insertion attenuation Passband width αrel ≤ 1,0 dB Amplitude ripple (p-p)
fN fN ± 150 kHz
αmax
— 1,2
B1,0dB
— ∆α 2,2 — MHz
fN ± 150 kHz
Absolute group delay (at fN) Group delay ripple (p-p) τ ∆τ
— —
0,15 250
1,0 300
dB ns
fN ± 150 kHz
Relative attenuation (relative to αmax) 10,0 MHz ... fN - 28,0 MHz fN - 28,0 MHz ... fN - 14,0 MHz fN - 14,0 MHz ... fN - 0,15 MHz fN + 0,15 MHz ... fN + 14,0 MHz fN + 14,0 MHz ... fN + 23,0 MHz fN + 23,0 MHz ... fN + 33,0 MHz fN + 33,0 MHz ... fN + 325,0 MHz Input IP3 (Third order intercept point)1) VSWR αrel
—
20
30
ns
12,0 5,0 0,0 0,0 30,0 44,0 38,0 45 —
70,0 50,0 — — 50,0 48,0 46,0 — 1,4:1 -70
— — — — — — — — 2,0:1 —
dB dB dB dB dB dB dB dBm
fN ± 150 kHz TCf
Temperature coefficient of frequency
—
ppm/K
1) With two 10 dBm fundamental signals at 125 MHz and 139 MHz applied the third order intermodulation product at the output at 111 MHz will have less than -64 dBm.
3
Feb 04, 2004
SAW Components Low-Loss Filter Data Sheet
Transfer function
B3647 125,0 MHz
Transfer function (pass band)
4
Feb 04, 2004
SAW Components Low-Loss Filter Data Sheet
B3647 125,0 MHz
Published by EPCOS AG Surface Acoustic Wave Components Division, SAW MC IS P.O. Box 80 17 09, 81617 Munich, GERMANY © EPCOS AG 2004. 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.
5
Feb 04, 2004