SAW filter. IF38B1M Datasheet

IF38B1M Datasheet PDF


Part Number

IF38B1M

Description

SAW filter

Manufacture

SHOULDER ELECTRONICS

Total Page 5 Pages
Datasheet
Download IF38B1M Datasheet



IF38B1M
1.SCOPE
SHOULDER ’s SAW filter series have broad line up products meeting all
broadcast standard including NTSC,PAL and SECAM systems. These filters are
composed of two interdigital transducers on a single-crystal. piezoelectrical chip.
they are used in electronic equipments such as TV and so on.
2.Construction
2.1 Dimension and materials
Manufacturer’s name : SHOULDER ELECTRONICS LTD
Type : IF38B1M
2.2. Circuit construction, measurement circuit
1

IF38B1M
3.Characteristics
Standard atmospheric conditions
Unless otherwise specified , the standard rang of atmospheric conditions for making
measurements and tests is as follows;
Ambient temperature : 15 to 35
Relative humidity : 25% to 85%
Air pressure
: 86kPa to 106kPa
Operating temperature rang
Operating temperature rang is the rang of ambient temperatures in which the filter
can be
operated continuously. -10 ~ +60
Storage temperature rang
Storage temperature rang is the rang of ambient temperatures at which the filter can
be stored
without damage.
Conditions are as specified elsewhere in these specifications. -40 ~ +70
Reference temperature
+25
3.1 Maximum Rating
DC voltage VDC 12 V
AC voltage Vpp
10 V
3.2 Electrical Characteristics
Source impedance
Zs=50
Load impedance
ZL=2k//3pF
Items
Freq Min
Insertion attenuation
Reference level
36.50MHz
14.5
38.00MHz
3.6
33.57MHz
-0.5
32.50MHz
14.5
Relative attenuation
31.50MHz
31.00MHz
17.5
37.0
30.00MHz
42.0
39.50MHz
42.0
40.50MHz
38.0
Sidelobe
25.00~30.00MHz
39.50~45.00MHz
Temperature coefficient
35.0
35.0
Between any terminals
Between any terminals
T A=25
typ max
16.5 18.5 dB
5.1 6.6 dB
1.0 2.5 dB
16.5 18.5 dB
19.5 - dB
47.0 dB
52.0 dB
50.0 dB
45.0 dB
47.0 dB
43.0 dB
-72 Ppm/k
2




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