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B39805B1729H810 Datasheet, PDF (3/10 Pages) TDK Electronics – SAW Components SAW IF filter
SAW Components
SAW IF filter
Data sheet
Characteristics
Temperature range for specification:
Terminating source impedance:
Terminating load impedance:
B1729
80.46 MHz
T = –40 ˚C to (+85 ˚C) +105 ˚C
ZS = 27 Ω and matching network
ZL = 1 kΩ and matching network
Nominal frequency
min.
typ.
max.
@ 25 ˚C
fN
—
80.46
—
MHz
Minimum insertion attenuation1)
αmin
—
18.1
19.6 dB
Maximum voltage gain source – load
(VL/VS)
αvgsl
–8.8
–7.3
—
dB
Amplitude ripple (p-p)
∆α
fN ± 1.84 MHz
—
0.9 (1.3) 1.8 dB
Pass bandwidth
αrel ≤ 1.5 dB
αrel ≤ 3 dB
αrel ≤ 15 dB
αrel ≤ 30 dB
B1.5dB
—
B3dB
—
B15dB
—
B30dB
—
4.3
—
MHz
4.6
—
MHz
5.5
6.0 MHz
6.1
6.5 MHz
Mean attenuation (relative to αmin)
αrel
Upper sidelobe 86.47 ... 91.53 MHz
50.0
54.0
—
dB
Relative attenuation (relative to αmin) αrel
Lower sidelobe 55.00 ... 67.00 MHz
67.00 ... 75.99 MHz
Upper sidelobe 85.21 ... 86.47 MHz
86.47 ... 91.53 MHz
91.53 ... 95.21 MHz
95.21 ... 105.00 MHz
48.0
39.0
40.0
45.0
46.0
46.0
54.0
43.0
49.0
49.0
52.0
52.0
—
dB
—
dB
—
dB
—
dB
—
dB
—
dB
Group delay ripple (p–p)
∆τ
Aperture 50 kHz
fN ± 1.84 MHz
—
190
Temperature coefficient of frequency TCf
—
–18
1) Including losses in the matching network
—
ns
—
ppm/K
Please read cautions and warnings and
important notes at the end of this document.
3 December 19, 2012