SAW Bandpass Filter 202178B
1. Features
IF Bandpass Filter High Attenuation Single-Ended Operation DIP Package Maximum Storage Temperature Range : -40℃ ~ 85℃ Electrostatics Sensitive Device (ESD)
2. Package Dimension
12.7±0.5
5.5max 6.0max
7.6±0.2
ITF 04A001 202178B
0.45±0.05
20.3±0.5
2.5±0.2
Package : D2012
Pin Configuration 1 Input Output Ground Case ground
Dimensions shown are nominal in millimeters Base : Fe(SPCC), Au plating over Ni plated Cap : Cu & Cr Alloy, Ni Plated Termination : Kovar, Au Plated
5 2, 4 3, 6
I T F Co., Ltd. 102-901, Bucheon Technopark 364, Samjeong-Dong, Ojeong-Gu, Bucheon-City, Gyounggi-Do, Korea 421-809
Part No. Rev. Date Rev.
202178B 2004-06-22 NI2037-CS02 1/5
12.7±0.2
2.5±0.2
SAW Bandpass Filter 202178B
3. Specifications
Fo = 70.0 MHz Terminating source impedance Terminating load impedance : 50Ω and matching network : 50Ω and matching network
Minimum Center Frequency Insertion Loss 1dB Bandwidth 3dB Bandwidth 40dB Bandwidth Amplitude Ripple (Fo +/- 2.0 MHz) Group Delay Variation (Fo +/- 2.0 MHz) Absolute Delay Ultimate Rejection Temperature Coefficient of Frequency MHz dB MHz MHz MHz dB nsec usec dB ppm/°C 69.94 5.0 50 -
Typical 70.0 23.0 4.8 5.2 7.0 0.5 40 3.08 55 -23
Maximum 70.06 25.0 7.1 1.0 100 3.1 -
Notes : 1) 2) 3) All specifications are based on the matching schematic shown below All specifications are measured by Agilent Network analyzer and full 2 port calibration at room temperature All attenuation measurements are measured relative to insertion loss
I T F Co., Ltd. 102-901, Bucheon Technopark 364, Samjeong-Dong, Ojeong-Gu, Bucheon-City, Gyounggi-Do, Korea 421-809
Part No. Rev. Date Rev.
202178B 2004-06-22 NI2037-CS02 2/5
SAW Bandpass Filter 202178B
4. Matching Schematic
( Actual matching values may vary due to PCB layout and parasitics )
Input 50Ω
L2
L3
Output 50Ω
L1
L2 = L3 = 56 nH L1 = L4 = 82 nH
L4
5. Marking Configuration
ITF1) 04A0012) 202178B3)
1) Manufacturer name 2) Lot Number 3) Part Number
I T F Co., Ltd. 102-901, Bucheon Technopark 364, Samjeong-Dong, Ojeong-Gu, Bucheon-City, Gyounggi-Do, Korea 421-809
Part No. Rev. Date Rev.
202178B 2004-06-22 NI2037-CS02 3/5
SAW Bandpass Filter 202178B
6. Typical Performance ( at +25℃ )
22 Jun 2004 10:56:25 1: 0. 0000 dB 0. 000 000 MHz
CH1
S21
LOG
10 dB/
REF -22.99 dB
CH1 Markers 1 Cor 2 BW : cent : 6. 918458 69. 978527 MHz MHz
REF=1
Q: 10. 115 1_loss : -23 . 003 dB
3
4
CENTER 70. 000 000 MHz
SPAN
18. 000 000 MHz
CH1 CH2
S21 S21
LOG DEL
1 dB/ 200 ns/
REF -22.94 dB REF 3.051 us
22 Jun 2004 10:58:43 1: 0. 0000 dB 0. 000 000 MHz 3: 29. 543 ns 4. 000 000 MHz
CH1 Markers BW : Cor cent : 5. 227613 69. 991200 MHz MHz
REF=1
Q: 13. 389 1 2 1_loss : -23 . 009 dB
3 Smo Cor 3
2
CH2 Markers mean : 3. 0817 us s. dev : 13. 289 ns p-p : 61. 544 ns
4 REF=2
CENTER 70. 000 000 MHz
SPAN
6. 000 000 MHz
I T F Co., Ltd. 102-901, Bucheon Technopark 364, Samjeong-Dong, Ojeong-Gu, Bucheon-City, Gyounggi-Do, Korea 421-809
Part No. Rev. Date Rev.
202178B 2004-06-22 NI2037-CS02 4/5
SAW Bandpass Filter 202178B
CH1 CH2
S21 S21
LOG LOG
1 dB/ 1 dB/
REF -22.94 dB REF -23.08 dB
22 Jun 2004 10:58:29 1: 0. 0000 dB 0. 000 000 MHz 3: . 03860 dB 4. 000 000 MHz
CH1
S21
LOG
10 dB/
REF -22.51 dB
22 Jun 2004 11:00:46 1: -22 . 581 dB 70. 000 000 MHz
CH1 Markers BW : Cor cent : 4. 841642 69. 993158 MHz MHz
REF=1
Q: 14. 456 1 2 1_loss : -23 . 009 dB
1
3
4
3 2 Cor
CH2 Markers mean : -23 . 073 dB s. dev : . 06630 dB p-p : . 32610 dB
REF=2
CENTER 70. 000 000 MHz
SPAN
6. 000 000 MHz
START
. 010 000 MHz
STOP 300 . 000 000 MHz
CH1 CH2
S11 S22
SWR SWR
1/ 1/
REF 2.751 REF 2.557
22 Jun 2004 11:00:03 1: 2. 7491 70. 000 000 MHz 2: 2. 5552 70. 000 000 MHz
CH1 CH2
S11 S22
1 U FS 1 U FS
1: 48. 846 2: 47. 439
-52 . 121 -47 . 395
22 Jun 2004 11:00:11 43. 622 pF 70. 000 000 MHz 47. 973 pF 70. 000 000 MHz
Cor
Cor
1
Cor
2
Cor
21
CENTER 70. 000 000 MHz
SPAN
18. 000 000 MHz
CENTER 70. 000 000 MHz
SPAN
18. 000 000 MHz
I T F Co., Ltd. 102-901, Bucheon Technopark 364, Samjeong-Dong, Ojeong-Gu, Bucheon-City, Gyounggi-Do, Korea 421-809
Part No. Rev. Date Rev.
202178B 2004-06-22 NI2037-CS02 5/5
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