TOKO TDF2A-1575B-12

SPECIFICATION
OF DIELECTRIC
TOKO P/No:
1. OUTLINE
FILTER
TDF2A-1575B-12
DIMENSION
1 Marking:1575-12
TOKO
A=5.2
B=2.5
T=2.25
Tolerance
Unit
:±0.3
:mm
2. ELECTRICAL CHARACTERISTICS
Center Frequency (Fo)
Passband Width
Input Output Impedance
:
1575.4 MHz
: Fo±5.0MHz
: 50ohm
Insertion Loss in Passband : 2.7dB max.
Ripple in Passband
: 1.0dB max.
V.S.W.R. in Passband
: 2.0 max.
Attenuation
:
7.0dB min. at Fo
Attenuation
Attenuation
:
:
30.0dB min.
28.0dB min.
p35MHz
at Fo-140MHz
at Fo+140MHz
(All specifications are absolute value.)
2
PRECAUTION
Do not connect terminals to DC voltage.
2EV
2EV
/RIG
TOKO, INC.
*5.%
*5,9
*5,9
)SSUES
9+IKUYAMA
3/HTSUKA
(3UGITA
3IG
Test Data of Dielectric Filter
Toko No. : TDF2A-1575B-12
0
0
10
5
20
10
30
15
40
20
50
25
60
30
70
35
80
40
90
45
100
50
Center Frequency : 1,575.40MHz
Span: 500.00MHz
Passband Insertion Loss
2.19dB
Passband Ripple
0.03dB
Passband V.S.W.R.
1.39
Attenuation
at 1,435.40MHz
at 1,540.40MHz
at 1,610.40MHz
at 1,715.40MHz
35.00dB
8.49dB
9.08dB
32.06dB
Date : 95.12.25
Instrument : WILTRON 37217A
Toko, INC.
PCB Recommended Pattern For Dielectric Filter
TOKO P/No
: TDF2A-1575B-12
SUBSTRATE MATERIAL:
BT Resin CCL-H870 t=0.9mm.
CCl-H870’s typical dielectric constant is 3.6 at 1GHz.
CAUTION:
All terminals of this filter are connected to GND.
Therefore, it mast be used without DC voltage.
TOKO,INC.