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Help CenterCERAMIC BANDPASS FILTERS 16GHz-38GHz
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These filters utilize advanced high-Q ceramic resonator technology, enabling compact, lightweight, and environmentally robust solutions suitable for demanding commercial, industrial, and defense applications.
▌ Key Features
• Ultra-wide frequency coverage: 8 spot bands from 16 GHz to 38 GHz
• Low insertion loss: ≤1.5 dB across all models
• Excellent return loss: VSWR ≤1.5:1
• Deep stopband rejection: ≥40 dB at ±400 MHz from band edges
• Compact ceramic package: 44 × 22 × 22 mm
• Hermetic 0.38" glass bead connectors for reliability
• High-Q ceramic resonator technology for sharp selectivity
• Operating temperature range: -40 °C to +85 °C
• Drop-in / surface-mount design for easy integration
• RoHS compliant materials and processes
▌ Typical Applications
1. Satellite Communications (SatCom) — uplink/downlink channel filtering
2. Point-to-Point & Point-to-Multipoint Microwave Radios
3. Radar Systems — receiver front-end & IF filtering
4. Test & Measurement Equipment
5. Electronic Warfare (EW) & Signal Intelligence (SIGINT)
6. 5G / 6G Millimeter-Wave Infrastructure
7. Aerospace & Defense Avionics
▌ Electrical Specifications — Model Matrix
Model |
Freq. Range |
IL (dB) |
VSWR |
Stopband F1 |
Stopband F2 |
Connector |
Size (mm) |
HS-BPF-1680/1720-38P |
16.8–17.2 GHz |
≤1.5 dB |
≤1.5 |
≥40 dB @ 16.4 GHz |
≥40 dB @ 17.6 GHz |
0.38 Glass Beads |
44×22×22 |
HS-BPF-1880/1920-38P |
18.8–19.2 GHz |
≤1.5 dB |
≤1.5 |
≥40 dB @ 18.4 GHz |
≥40 dB @ 19.6 GHz |
0.38 Glass Beads |
44×22×22 |
HS-BPF-2080/2120-38P |
20.8–21.2 GHz |
≤1.5 dB |
≤1.5 |
≥40 dB @ 20.4 GHz |
≥40 dB @ 21.6 GHz |
0.38 Glass Beads |
44×22×22 |
HS-BPF-2280/2320-38P |
22.8–23.2 GHz |
≤1.5 dB |
≤1.5 |
≥40 dB @ 22.4 GHz |
≥40 dB @ 23.6 GHz |
0.38 Glass Beads |
44×22×22 |
HS-BPF-3080/3120-38P |
30.8–31.2 GHz |
≤1.5 dB |
≤1.5 |
≥40 dB @ 30.4 GHz |
≥40 dB @ 31.6 GHz |
0.38 Glass Beads |
44×22×22 |
HS-BPF-3280/3320-38P |
32.8–33.2 GHz |
≤1.5 dB |
≤1.5 |
≥40 dB @ 32.4 GHz |
≥40 dB @ 33.6 GHz |
0.38 Glass Beads |
44×22×22 |
HS-BPF-3480/3520-38P |
34.8–35.2 GHz |
≤1.5 dB |
≤1.5 |
≥40 dB @ 34.4 GHz |
≥40 dB @ 35.6 GHz |
0.38 Glass Beads |
44×22×22 |
HS-BPF-3680/3720-38P |
36.8–37.2 GHz |
≤1.5 dB |
≤1.5 |
≥40 dB @ 36.4 GHz |
≥40 dB @ 37.6 GHz |
0.38 Glass Beads |
44×22×22 |
Note: All specifications are measured at +25 °C unless otherwise stated. IL = Insertion Loss. VSWR = Voltage Standing Wave Ratio. F1/F2 denote lower/upper stopband rejection frequencies.
● General Specifications (Common to All Models)
Parameter |
Specification |
Filter Type |
Ceramic Bandpass Filter (BPF) |
Frequency Range Coverage |
16 GHz – 38 GHz (8 spot frequency bands) |
Passband Ripple |
≤0.5 dB (typical) |
Insertion Loss |
≤1.5 dB (all models) |
VSWR / Return Loss |
≤1.5 : 1 |
Stopband Rejection |
≥40 dB @ ±400 MHz from band edge |
Impedance |
50 Ω |
Connector Type |
0.38 Glass Beads (hermetic) |
Physical Dimensions |
44 × 22 × 22 mm (all models) |
Operating Temperature |
-40 °C to +85 °C |
Storage Temperature |
-55 °C to +125 °C |
Technology |
High-Q Ceramic Resonator |
Mounting Style |
Drop-in / Surface Mount |
Applications |
Satellite Communications, Radar, Point-to-Point Radio, Test & Measurement |
▌ Performance Characteristics
● Insertion Loss & Return Loss
• Passband insertion loss ≤1.5 dB measured across full operating temperature range.
• VSWR ≤1.5:1 ensures excellent impedance matching and minimal signal reflection.
• Passband ripple ≤0.5 dB (typical) for smooth in-band response.
● Stopband Rejection
• ≥40 dB rejection at ±400 MHz offset from each band edge (F1 low-side, F2 high-side).
• Monotonic roll-off ensures spurious signals are effectively suppressed.
• High-Q ceramic resonators provide sharp transition from passband to stopband.
● Mechanical & Environmental
• Compact 44×22×22 mm ceramic package — ideal for space-constrained designs.
• Hermetic 0.38" glass bead connectors prevent moisture ingress.
• Operating temperature: -40 °C to +85 °C (industrial grade).
• Storage temperature: -55 °C to +125 °C.
• Meets MIL-STD-202 environmental test standards (vibration, shock, humidity).
▌ Ordering Information
Model Number |
Frequency Band |
Description |
HS-BPF-1680/1720-38P |
16.8–17.2 GHz |
Ceramic BPF, 0.38 Glass Beads, 44×22×22 mm |
HS-BPF-1880/1920-38P |
18.8–19.2 GHz |
Ceramic BPF, 0.38 Glass Beads, 44×22×22 mm |
HS-BPF-2080/2120-38P |
20.8–21.2 GHz |
Ceramic BPF, 0.38 Glass Beads, 44×22×22 mm |
HS-BPF-2280/2320-38P |
22.8–23.2 GHz |
Ceramic BPF, 0.38 Glass Beads, 44×22×22 mm |
HS-BPF-3080/3120-38P |
30.8–31.2 GHz |
Ceramic BPF, 0.38 Glass Beads, 44×22×22 mm |
HS-BPF-3280/3320-38P |
32.8–33.2 GHz |
Ceramic BPF, 0.38 Glass Beads, 44×22×22 mm |
HS-BPF-3480/3520-38P |
34.8–35.2 GHz |
Ceramic BPF, 0.38 Glass Beads, 44×22×22 mm |
HS-BPF-3680/3720-38P |
36.8–37.2 GHz |
Ceramic BPF, 0.38 Glass Beads, 44×22×22 mm |
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