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SHOULDER ELECTRONICS |
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
Type : BF44A1D
1 2 3 45
14.0
HD
BF44A1D
0B
1
0.54
2.54
5
Pin configuration
1 Input
2 Input-ground
3 Chip carrier-ground
4 Output
5 Output
2.2. Circuit construction, measurement circuit
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
AC voltage
VDC
Vpp
12
10
V Between any terminals
V Between any terminals
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