250222B

122.85 MHz SAW Filter
Part Number 250222B
1. Features
Typical 1.5dB bandwidth of 2.7 MHz
High attenuation
Single Ended Operation
Dual In-line Package (DIP)
2. Electrical Specifications
Source and Load Impedance = 50Ω
Room Temperature : +25℃
℃
Minimum
Typical
Maximum
MHz
122.75
122.85
122.95
dB
-
24.5
26.5
1.5dB Bandwidth
MHz
2.7
2.77
-
3dB Bandwidth
MHz
-
2.87
-
40B Bandwidth
MHz
-
3.57
3.65
45dB Bandwidth
MHz
-
3.65
-
dB
-
0.5
1.2
Group Delay Variation (fo ± 1.1 MHz)
nsec
-
200
400
Absolute Delay
usec
-
3.92
4.0
Relative Attenuation (fo ± 8.15 MHz)
dBc
50
55
Temperature Coefficient of Frequency
ppm/℃2
-
-0.03
Center Frequency (fo)
Insertion Loss
Amplitude Ripple (fo ± 1.1 MHz)
-
Input POWER : +10dBm
12.8±0.5
5.5max 6.0max
7.6±0.2
Matching Network Configuration
2.5±0.2
D3512 Package Dimension
1
L1
L2
25.4±0.2
2.5±0.2
C1
0.45±0.05
ITF RDPA29
250222B
122.85-2.7M
Input
50Ω
35.1±0.5
5
Output
50Ω
C2
L1 = 100nH, L2 = 100nH
C1 = 47pF, C2 = 47pF
Pin Configuration
Dimensions shown are nominal in millimeters
Base : Fe(SPCC), Au plating over Ni plated
Cap : Cu & Cr Alloy, Ni Plated
Termination : Kovar, Au Plated
I T F Co., Ltd.
102-901, Bucheon Technopark 364, Samjeong-Dong,
Ojeong-Gu, Bucheon-City,
Gyounggi-Do, Korea 421-809
Tel: 82-32-621-1213
Fax: 82-32-621-1218
Input
1
Ground
2, 4
Output
5
Others
Ground
http://www.itf.co.kr
[email protected]
2014. 01. 29
Rev 1.0
122.85 MHz SAW Filter
Part Number 250222B
3. Typical Performance ( at +25℃
℃)
1.5dB Bandwidth & Ripple
CH1 S21
CH2 S21
LOG
LOG
1 dB/
1 dB/
40dB Bandwidth & 45dB Bandwidth
28 Jan 2014 12:18:01
1: 0. 0000 dB
0. 000 000 MHz
3: . 02310 dB
2. 200 000 MHz
REF -24.4 dB
REF -24.92 dB
BW:
LOG
LOG
10 dB/
10 dB/
28 Jan 2014 12:14:45
1: 0. 0000 dB
0. 000 000 MHz
1: 0. 0000 dB
0. 000 000 MHz
REF -24.51 dB
REF -24.5 dB
CH1 Markers
REF=1
2. 772448 MHz
cent : 122. 858764 MHz
Cor
CH1 S21
CH2 S21
BW:
1
C
cent : 122. 860999 MHz
Q: 44. 314
Q: 34. 358
2
1_loss : -24 . 514 dB
1
CH1 Markers
REF=1
3. 575942 MHz
1_loss : -24 . 476 dB
2
3
4
3
2
CH2 Markers
REF=2
mean:-24 . 656 dB
Cor
3
4
3
4
C
BW:
s. dev : . 12980 dB
CH2 Markers
REF=1
3. 650386 MHz
cent : 122. 878073 MHz
p-p : . 52520 dB
Q: 33. 662
1_loss : -24 . 476 dB
CENTER 122. 850 000 MHz
SPAN
3. 500 000 MHz
CENTER 122. 850 000 MHz
3dB Bandwidth & Group Delay
CH1 S21
CH2 S21
LOG
DEL
1 dB/
500 ns/
28 Jan 2014 12:18:33
1: 0. 0000 dB
0. 000 000 MHz
3: 16. 441 ns
2. 200 000 MHz
REF -24.4 dB
REF 3.73 us
BW:
Relative Attenuation
CH1 S21
LOG
10 dB/
28 Jan 2014 12:15:16
1: 0. 0000 dB
0. 000 000 MHz
REF -24.51 dB
CH1 Markers
REF=1
2. 878203 MHz
cent : 122. 859341 MHz
Cor
SPAN 18. 000 000 MHz
CH1 Markers
REF=1
2:-60 . 456 dB
-8 . 15000 MHz
1
C
Q: 42. 686
3:-60 . 504 dB
8. 15000 MHz
1_loss : -24 . 518 dB
1
2
3
2
Smo
Cor
CH2 Markers
4 REF=2
mean: 3. 9290 us
3
s. dev : 37. 735 ns
p-p : 191. 17 ns
2
CENTER 122. 850 000 MHz
SPAN
3. 500 000 MHz
3
CENTER 122. 850 000 MHz
Wideband Properties
CH1 S21
LOG
10 dB/
REF -25.26 dB
SPAN 18. 000 000 MHz
SWR(S11 & S22)
28 Jan 2014 12:19:26
1:-24 . 974 dB
122. 850 000 MHz
CH1 S11
CH2 S22
SWR
SWR
1 /
1 /
28 Jan 2014 12:17:23
1: 1. 6567
122. 850 000 MHz
2: 2. 2915
122. 850 000 MHz
REF 1.657
REF 2.288
1
Cor
1
Cor
START . 010 000 MHz
STOP 500. 000 000 MHz
I T F Co., Ltd.
102-901, Bucheon Technopark 364, Samjeong-Dong,
Ojeong-Gu, Bucheon-City,
Gyounggi-Do, Korea 421-809
Tel: 82-32-621-1213
Fax: 82-32-621-1218
2
START 113. 850 000 MHz
http://www.itf.co.kr
STOP 131. 850 000 MHz
[email protected]
2014. 01. 29
Rev 1.0
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