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Proposed Specification for a Crystal Filter
MtronPTI P/N: XF9357
I. General & Electrical Requirements
1. Center Frequency (FON): 60.24MHz
2. 0.5dB bandwidth:  80kHz
3. 1.0dB bandwidth:  160kHz
4. In-Band Flatness: ≤ 0.3dB
5. Insertion Loss (@ peak of transmission within the 0.5dB bandwidth): ≤ 5.0dB
6. Amplitude Ripple (peak-valley): ≤ 0.5dB
7. Input/Output VSWR: ≤ 1.5:1
8. In-Band Phase Linearity: ≤ ±6˚
9. Absolute Group Delay (within the 160kHz bandwidth): ≤ 7.5µsec
10. Stopband Attenuation (Minimum, Relative to Insertion Loss)
70dB: ≤ FON - 800kHz
70dB:  FON + 800kHz
11. Input Third-Order Intercept Point (with 0dBm input power):  35dBm
12. Shape Factor (Δf-60dB/Δf-0.5dB): ≤ 5
13. Input Signal Level: ≤ +20dBm
14. ZIN/ZOUT: 50Ω nominal
Note: All electrical performance specifications are to be verified and/or adjusted at the prototype build stage.
II. Environmental & Physical Requirements:
1. Temperature Range
Operating: -10C to +60C
Storage: -45C to +85C
2. Solderability: Per EIAJ-STD-002
3. Package: Reference Drawing Figure 1
Figure 1 – Filter Package Outline Drawing
Rev. - 09/07/11
Page 1 of 2
Proprietary Document Information contained herein is proprietary to MtronPTI and is
submitted in confidence. Information may not be copied or divulged without written
permission from MtronPTI.
Proposed Specification for a Crystal Filter
MtronPTI P/N: XF9357
III. Design Simulation Plots:
Pass Band
0
-20
-1.5
-30
S21(dB) Ref. I. Loss
-10
-1
S21 (dB) Ref. 2.5 dB I. Loss
-0.5
-2
-2.5
-3
-3.5
-4
-40
-50
-60
-70
-80
-4.5
-5
60.12 60.14 60.16 60.18
Stop Band
0
-90
60.2
60.22 60.24 60.26 60.28
Frequency (MHz)
60.3
60.32 60.34 60.36
-100
59.24
59.44
59.64
59.84
60.04 60.24
60.44
Frequency (MHz)
60.64
60.84
61.04
61.24
Linear Phase
20
16
Phase Linearity (deg)
12
8
4
0
-4
-8
-12
-16
-20
60.12 60.14 60.16 60.18
60.2
60.22 60.24 60.26 60.28
Frequency (MHz)
60.3
60.32 60.34 60.36
Rev. - 09/07/11
Page 2 of 2
Proprietary Document Information contained herein is proprietary to MtronPTI and is
submitted in confidence. Information may not be copied or divulged without written
permission from MtronPTI.
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