SAW Components
Data Sheet B4069
21Apr 2, 2003
SAW Components B4069
770,0 MHzLow-Loss Filter
Data Sheet SMD ceramic package QCC8D
Features
●Low loss IF filter for HiperLAN
●Balanced to balanced operation
●Package for Surface Mounted Technology
(SMT)
Terminals
●Ni, gold-plated
Dimensions in mm, approx. weight 0,037 g
Pin configuration
1 Input
2 Input or grounded input
5 Output
6 Output or grounded output
3, 7 To be grounded
4, 8 Case - ground
Electrostatic Sensitive Device (ESD)
Type Ordering code Marking and Package
according to
Packing
according to
B4069 B39771-B4069-U810 C61157-A7-A72 F61074-V8101-Z000
Maximum ratings
Operable temperature range
T
-20 /+ 80 ˚C
Storage temperature range
T
stg – 40/+ 85 ˚C
DC voltage
V
DC 0V
Source power
P
s0 dBm source impedance 250 Ω
3Apr 2, 2003
SAW Components B4069
770,0 MHzLow-Loss Filter
Data Sheet
Characteristics
Operating temperature range:
T
A= -20 ... +80 ˚C
Terminating source impedance:
Z
S= 250 Ω ||125nH
Terminating load impedance:
Z
L= 250 Ω ||125nH
Matching network (Simulated)
min. typ. max.
Nominal frequency
f
N— 770,0 — MHz
Minimum insertion attenuation αmin — 1,7 3,5 dB
Amplitude ripple in passband (p-p) ∆α
f
N±7,0 MHz — 0,8 1,1 dB
f
N±8,5 MHz — 0,9 2,0 dB
Group delay ripple (p-p) ∆τ
f
N±8,5 MHz — 25 50 ns
Relative Attenuation (relative to αmin)αrel
f
N - 20,0 MHz 20 30 — dB
f
N + 20,0 MHz 15 23 — dB
f
N - 30,0 MHz 35 40 — dB
f
N + 30,0 MHz 25 32 — dB
f
N± 40,0 MHz 40 60 — dB
f
N±60,0 MHz 45 63 — dB
f
N±80,0 MHz 45 68 — dB
f
N±100,0 MHz 45 73 — dB
f
N±120,0 MHz 50 70 — dB
Lp2
Lp1
Lp1 = 125nH
Lp2 = 125nH
41Apr 2, 2003
SAW Components B4069
770,0 MHzLow-Loss Filter
Data Sheet
Characteristics
(2 Cascaded filters with || 125nH between filters)
Operating temperature range:
T
A= -20 ... +80 ˚C
Terminating source impedance:
Z
S= 250 Ω ||125nH
Terminating load impedance:
Z
L= 250 Ω ||125nH
Matching network (Simulated)
min. typ. max.
Nominal frequency
f
N— 770,0 — MHz
Minimum insertion attenuation αmin — 3,5 7,0 dB
Amplitude ripple in passband (p-p) ∆α
f
N±7,0 MHz — 1,5 2,2 dB
f
N±8,5 MHz — 1,8 4,0 dB
Group delay ripple (p-p) ∆τ
f
N±8,5 MHz — 50 100 ns
Relative Attenuation (relative to αmax)αrel
f
N - 20,0 MHz 45 54 — dB
f
N + 20,0 MHz 30 48 — dB
f
N - 30,0 MHz 70 78 — dB
f
N + 30,0 MHz 50 66 — dB
f
N± 40,0 MHz 80 116 — dB
f
N±60,0 MHz 90 125 — dB
f
N±80,0 MHz 90 136 — dB
f
N±100,0 MHz 90 140 — dB
f
N±120,0 MHz 100 135 — dB
Lp2
Lp1
Lp1 = 125nH
Lp2 = 125nH
Filter 1 Filter 2Lp3
Lp3 = 125nH
5Apr 2, 2003
SAW Components B4069
770,0 MHzLow-Loss Filter
Data Sheet
Normalised Transfer Function (Single filter)
Normalised Transfer Function (2 Cascaded filters)
61Apr 2, 2003
SAW Components B4069
770,0 MHzLow-Loss Filter
Data Sheet
Matching network (element values may depend on pcb layout)
50 Ω unbalanced for single filter (test circuit for unbalanced input / output enviroment):
Ls2
Ls1
Ls2
Ls1
Ls1 = 22nH
Ls2 = 18nH
50 Ω unbalanced for cascaded filters (test circuit for unbalance input/ output enviroment):
Ls1 = 22nH
Ls2 = 18nH
Filter 1 Filter 2
Lp
Lp = 22nH
7Apr 2, 2003
SAW Components B4069
770,0 MHzLow-Loss Filter
Data Sheet
Published by EPCOS AG
Surface Acoustic Wave Components Division, SAW MC WT
P.O. Box 80 17 09, D-81617 München
EPCOS AG 2002. All Rights Reserved. Reproduction, publication and dissemination of this bro-
chure and the information contained therein without EPCOS’ prior express consent is prohibited.
The information contained in this brochure describes the type of component and shall not be con-
sidered as guaranteed characteristics. 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.
