Specification for a Lowpass LC Filter
MtronPTI P/N: LF9521
I. General & Electrical Requirements
1. Passband Insertion Loss: 1dB maximum
2. Passband Flatness (400MHz to 600MHz): 0.6dB maximum
3. Passband Ripple (400MHz to 600MHz, peak-valley): 0.4dB maximum
4. Passband Return Loss (ref. to 50Ω): 15dB minimum
5. Phase Ripple (400MHz to 600MHz, peak-valley, < 2-cycles): 3.0˚ maximum
6. Random Phase Ripple (400MHz to 600MHz, peak-valley, > 2-cycles): 1.0˚ maximum
7. Power Handling (within the Passband only): ≤ +27dBm CW
8. Attenuation (minimum):
45dB minimum: Over 1050MHz to 5000MHz
9. ZS/ZL: 50Ω ±10%
10. DC Blocking Capacitor in Series with Input/Output
Note 1: All specifications will be met over the full Operating Temperature Range
II. Environmental & Physical Requirements:
1. Temperature Range:
Operating: -20˚C to +80˚C
Storage: -55˚C to +85˚C
2. Package:
Type: SMD (ref. drawings)
Seal: Solder Seal
Size: 0.75” (L) 0.50” (W) x 0.20” (H, maximum)
MTBF: T.B.D.
Note 2: Sn10 High Temperature solder (Pb90Sn10), or equivalent, will be utilized throughout the construction of this filter.
Figure 2: Recommended PAD Layout
Figure 1: Package Outline Drawing
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