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