
12
SAW DEVICES
* The definition of effective attenuation.
The effective attenuation is defined as the logarithm of the root mean spuare of S21 absolute value, and is calculated with the equation below.
10 log10
(n=number of points)
1
n Σ
{Re (S21)2+Im (S21)2 }k
n
k=1
TYPE
TQS-896A-7R
380 MHz
fo
±2.048 MHz Min.
5.0 dB Max.
–
100 nsec Max.
fo–10 MHz : 30 dB
fo+10 MHz : 17 dB
240
// –0.7 pF
–20 to +75
°C
SS-30S1 (DE)
TQS-459 C-7R
190 MHz
fo
±1.92 MHz Min. (3dB down)
8.0 dB Max. (fo)
1.5 dB Max. (fo
±1.92 MHz)
130 nsec Max. (fo
±1.92 MHz)
fo
± 5 MHz (width:±1.92 MHz) : 23 dB
*
fo
±10 MHz (width:±1.92 MHz) : 40 dB
fo
±20 MHz (width:±1.92 MHz) : 40 dB
Input (Balanced or Unbalanced):
325
// –16 pF
Output (Balanced or Unbalanced):
276
// –12 pF
–20 to +70
°C
SS-531 (A)
TQS-899A-7R
570 MHz
fo
±2.5 MHz Min.
5.0 dB Max.
–
100 nsec Max.
fo
±10 MHz : 10 dB
150
// –0.9 pF
–20 to +75
°C
SS-30S1 (DE)
TQS-460A-7R
380 MHz
fo
±2.1 MHz Min. (3dB down)
12.0 dB Max. (fo)
1.5 dB Max. (fo
±1.92 MHz)
160 nsec Max. (fo
±1.92 MHz)
fo
± 5 MHz : 25 dB
fo
±10 MHz : 30 dB
Input (Balanced or Unbalanced):
520
// –4 pF
Output (Balanced or Unbalanced):
360
// –6 pF
–20 to +70
°C
SS-531 (A)
Nominal frequency (fo)
Passband (PB)
Insertion loss
Ripple
Group delay deviation
Stopband
attenuation (Min.)
Terminating impedance
Operating temperature range
Package
IF Filter for Cellular Phone
Product Data
Specifications
Electrical Data
TQS-899A-7R
TQS-460A-7R
0
10
20
30
40
50
60
70
80
90
100
0
1
2
3
4
5
6
7
8
9
10
A: –50
B: –10
570
FREQUENCY (MHz)
A:
LOSS
(dB)
B:
LOSS
(dB)
+50
+10
B
A
–20
–10
0
10
20
30
40
50
60
70
80
9
10
11
12
13
14
15
16
17
18
19
A: –25
B: –4
380
FREQUENCY (MHz)
A:
LOSS
(dB)
B:
LOSS
(dB)
+25
+4
B
A
TQS-896A-7R
0
10
20
30
40
50
60
70
80
90
100
0
1
2
3
4
5
6
7
8
9
10
380
B:
LOSS
(dB)
A:
LOSS
(dB)
FREQUENCY (MHz)
+50
+10
A: –50
B: –10
B
A
TQS-459C-7R
-30
-20
-10
0
10
20
30
40
50
60
70
5
6
7
8
9
10
11
12
13
14
15
A: –5
B: –2.5
190
FREQUENCY (MHz)
A:
LOSS
(dB)
B:
LOSS
(dB)
+5
+2.5
B
A