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PDF TFS400D Data sheet ( Hoja de datos )
| Número de pieza | TFS400D | |
| Descripción | SAW Filter Specification | |
| Fabricantes | Vectron International | |
| Logotipo |  |
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t_fs_4_0_0_d_.d_o_c________________________________________________________________________v_e_rs_i_on__1_.1_________0_1_/9_9___
VI TELEFILTER
Filter Specification
TFS 400 D - 1/4
______________________________________________________________________________________________________
Application
The filter is suitable for GSM, DCS 1800 and dual band applications. It can especially be used in the first IF in which full
channel selectivity is not necessary. The filter is very compact, thus it saves cost and space on the printed circuit board.
Measurement condition
Ambient temperature: 25 °C
Input power level:
10 dBm
Terminating impedances
for input: 600 Ω || 90 nH
for output: 600 Ω || 90 nH
coupling coil 56 nH
Construction and pin configuration
see page 2
www.DataSheet4U.com
Characteristics
Remark:
Reference level for the relative attenuation arel of the TFD 400 D is the minimum of the pass band attenuation amin. The minimum of the pass band
attenuation amin is defined as the insertion loss ae. The center frequency fo is the arithmetic mean value of the upper and lower frequencies at the 3
dB filter attenuation level relative to the insertion loss ae. The nominal frequency fN is fixed on 400 MHz without tolerance. The given values for the
relative attenuation arel and for the group delay ripple have to be reached at the frequencies given below also if the center frequency fo is shifted
due to the temperature coefficient of frequency TCf in the operating temperature range and due to a production tolerance for the center frequency
fo.
Development Data
typ. value
tolerance/limit
______________________________________________________________________________________________________
Insertion loss
ae = amin
including losses in matching circuit
3,8 max. 6,0 dB
(Reference level)
______________________________________________________________________________________________________
N__o_m__in_a_l_f_re_q__u_e_n_c_y_______fN____________________________________-____________________________4_0_0_,0_0_0___M_H_z_____
Usable signal bandwidth
375
min. 166
kHz
______________________________________________________________________________________________________
passband ripple
f_N__±___8_3__k_H_z________________________________________________0_,5____________________m__a_x_. _____2_,0_____d_B______
Relative attenuation
arel
fN ± 400 kHz ... fN ± 600 kHz
23 min. 7 dB
fN ± 600 kHz ... fN ± 800 kHz
42
min. 10
dB
fN ± 800 kHz ... fN ± 1,5 MHz
55
min. 20
dB
f_N__±____1_,_5_M__H_z__.._. f_N__±__1_0_0___M__H_z_____________________________6_0_____________________m__in_._____3_5______d_B______
Group delay ripple
GD
_fN__±___8_3__k_H_z________________________________________________0_,5____________________m__a_x_. _____1_,0_____µ_s______
Operating temperature range
- 40 °C ... + 85 °C
__________________________________________________________________________________________
Temperature coefficient of frequency TC
ca. - 0,036 ppm/K²
__________________________________________________________________________________________
Frequency inversion temperature
+ 25 °C
______________________________________________________________________________________________________
Generated:
Checked / approved:
Construction, pin configuration and 50 Ω - matching network
______________________________________________________________________________________________________
VI TELEFILTER
Vectron International, Inc.
Potsdamer Straße 18
267 Lowell Road
D 14 513 TELTOW / Germany
Hudson, NH 03051 / USA
Tel: (+49) 3328 4784-52 / Fax: (+49) 3328 4784-30
E-Mail: [email protected]
Tel: (603) 598-0070 Fax: (603) 598-0075
E-Mail: [email protected]
VI TELEFILTER reserves the right to make changes to the product(s) and/or information contained herein without notice. No liability is
assumed as a result of their use or application. No rights under any patent accompany the sale of any such product(s) or information.
1 page | ||
| Páginas | Total 4 Páginas | |
| PDF Descargar | [ Datasheet TFS400D.PDF ] | |
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| TFS400C | SAW Filter Specification | Vectron International |
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