Neditek
1090 MHz SAW Filter
Part number: NDF9019
Built around NDF9019, this 1090 MHz SAW filter provides a 12 MHz bandwidth, 4 dB insertion loss and a compact QCC8B surface-mount package for receiver-front-end design. It suits 1090 MHz receive paths that need fixed-frequency selectivity, provided the link budget accepts the stated loss and the board follows controlled-impedance grounding. A separate LNA supplies active gain when the receiver link budget requires it.
- Center frequency1090 MHz
- Bandwidth12 MHz
- Insertion loss4 dB
- PackageQCC8B
- Prototype MOQ10 pcs
- CustomizationFrequency-response review available
NDF9019 Fits 1090 MHz Designs That Accept A 12 MHz Passband
A matching center frequency is only the first requirement when a discrete SAW filter is designed into a receiver.
| Qualification Item | NDF9019 Value | Design Consequence |
|---|---|---|
| Center frequency | 1090 MHz | Places the response around the target receive channel. |
| Bandwidth | 12 MHz | The required signal and tolerance margin must remain inside the usable passband. |
| Insertion loss | 4 dB | The receiver link budget must absorb the passive loss before any downstream gain. |
| Package | QCC8B | The PCB must provide the matching footprint, short RF paths and solid grounding. |
NDF9019 fits designs that accept a 12 MHz bandwidth, 4 dB insertion loss and the QCC8B surface-mount package.
A 1090 MHz SAW Filter Helps When Out-Of-Band Signals Overload The Receiver
Receiver sites with strong cellular, broadcast or other out-of-band energy can overload an SDR before software filtering begins.
RF-Dense Receiver Site
The passive filter belongs before the sensitive receiver stage when strong out-of-band energy is compressing the front end. Recovered dynamic range can outweigh the 4 dB wanted-signal loss.
Quiet Receiver Site
If the receiver is not overloaded, the same insertion loss can reduce distant-signal margin. A before-and-after message-rate or sensitivity measurement establishes whether the filter produces a net benefit.
A passive 1090 MHz filter is most useful when its interference rejection recovers more receiver margin than its insertion loss consumes.
System Priorities Determine Passive SAW, Filtered LNA Or Cavity Filtering
A 1090 MHz receive chain may need filtering alone, filtering with gain, or much sharper rejection in a larger enclosure.
| Architecture | Gain And Power | Best Fit |
|---|---|---|
| Passive SAW component | No active gain and no DC power | Compact PCB-level filtering where the link budget accepts insertion loss. |
| Filtered LNA | Adds gain and requires power | Low-level receive paths that need filtering and sensitivity recovery near the antenna. |
| Cavity filter | No active gain; physically larger | Installations that prioritize sharper rejection and can accept enclosure volume. |
Passive SAW minimizes size and power, a filtered LNA adds gain, and a cavity filter prioritizes selectivity over compactness.
NDF9019 1090 MHz SAW Filter Specifications
The confirmed model values are separated from the representative QCC8B package and interface values used for board planning.
| Product name | 1090 MHz SAW Filter |
|---|---|
| Part number | NDF9019 |
| Product category | Surface-mount SAW band-pass filter |
| Center frequency and bandwidth | 1090 MHz center; 12 MHz bandwidth |
| QCC8B package envelope | 3.8 × 3.8 × 1.5 mm nominal |
| Package construction | Ceramic surface-mount SAW package |
| RF interface | 8-pad QCC8B; nominal 50 Ω source and load |
| Electrical acceptance | Response limits agreed for the 1090 MHz receive path |
| Marking and traceability | Part-number and lot identification on order documentation |
| Packaging unit | Anti-static component packaging; tape-and-reel available for production orders |
1090 MHz SAW Filter RF Performance And Board Conditions
The assembled PCB should be measured with the intended stack-up, grounding and neighboring components because layout parasitics can shift the response.
MOQ And Delivery For The 1090 MHz SAW Filter
Prototype and production terms are separated so the quotation can match sample evaluation, qualification and volume supply.
- Prototype MOQ10 pcs; production quantity priced by lot size
- Sample policyPaid engineering samples; credit may apply to a qualifying production order
- Sample lead time5–7 working days when sample stock is available
- Bulk lead time3–5 weeks after specification and order approval
- Price basisEXW or FOB quotation based on quantity and test requirements
- PackagingAnti-static tray or tape-and-reel selected by order quantity
- Payment termsT/T; terms stated in the sales quotation
- Shipping supportCourier and air-freight support with export documentation
Manufacturing Support For The 1090 MHz SAW Filter
Component selection, package integration and order documentation can be reviewed against the target receiver design.
Ntesy Technology Company Limited
Located at 524 Zhongshan East Road in Nanjing, the company supplies RF filters and resonators and supports component selection through package-level integration and system design-in.
- RF product scope includes filters, resonators and related passive components
- Support spans chip, package, module and system-level integration
- Standard parts and frequency-response reviews are available
- Export orders can include commercial and technical documentation
Inspection Evidence For The 1090 MHz SAW Filter
The supplied images document wafer handling, component inspection and microelectronic assembly activities without making an unsupported certificate claim.
- Wafer pattern inspectionVisual process evidence
- Controlled component handlingProcess evidence
- Assembly-process observationEquipment evidence
- Lot-specific electrical acceptanceAvailable in the quotation scope
Request An NDF9019 1090 MHz SAW Filter Quote
- Phone: +86-25-86858581
- Email: sales@neditek.com
- WhatsApp: +86-25-86858581
- 524 Zhongshan East Road, Nanjing, Jiangsu Province, China