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Updated at 17/06/2025 10:30:15(UTC+8)
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Description
- Product Details
- The ADF4169 is a 13.5 GHz, fractional-N frequency synthesizer with modulation and both fast and slow waveform generation capability. The part uses a 25-bit fixed modulus, allowing subhertz frequency resolution.
- The ADF4169 consists of a low noise digital phase frequency detector (PFD), a precision charge pump, and a programmable reference divider. The .-/-based fractional interpolator allows programmable fractional-N division. The INT and FRAC registers define an overall N divider as N = INT + (FRAC/225).
- The ADF4169 can be used to implement frequency shift keying (FSK) and phase shift keying (PSK) modulation. Frequency sweep modes are also available to generate various waveforms in the frequency domain, for example, sawtooth and triangular waveforms. Sweeps can be set to run automatically or with each step manually triggered by an external pulse. The ADF4169 features cycle slip reduction circuitry, which enables faster lock times without the need for modifications to the loop filter.
- Control of all on-chip registers is via a simple 3-wire interface. The ADF4169 operates with an analog power supply in the range of 2.7 V to 3.45 V and a digital power supply in the range of 1.8 V to 2.0 V. The device can be powered down when not in use.
- **Applications
- **
- FMCW radars
- Communications test equipment
- Communications infrastructure
- ### Features and Benefits
- RF bandwidth to 13.5 GHz
- High and low speed FMCW ramp generation
- 25-bit fixed modulus allows subhertz frequency resolution
- PFD frequencies up to 130 MHz
- Normalized phase noise floor of −224 dBc/Hz
- FSK and PSK functions
- Sawtooth, triangular, and parabolic waveform generation
- Ramp superimposed with FSK
- Ramp with 2 different sweep rates
- Ramp delay, frequency readback, and interrupt functions
- Programmable phase control
- See datasheet for additional features
ADF4169 Specifications
| Attribute | Attribute Value |
|---|---|
| Datasheet | Datasheet |
| 3D Model | 3D Model |
| Show | |
| Product Lifecycle Status | Recommended for New Designs |
Order guide
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- Delivery date: usually 2 to 7 working days.
- A tracking number will be sent after your order ships.
- - Carefully inspected and packed by ManyChip warehouse - Vacuum packaging - Anti-static packaging - Shockproof foam
- The terms here are for reference only, the actual terms are subject to the sales quotation. - Please confirm product specifications when ordering. - MOQ refers to the minimum order quantity required to purchase each part. - If you have special ordering instructions, please indicate them on the ordering page. - Inspection (PSI) will be performed prior to shipment.
- - Income Quality Control (IQC), 1000+ qualified dealers. - Chips are tested by authoritative organizations to ensure the quality, authenticity and safety of your device. - Decapsulation control - X-ray control - XRF inspection - Electrical testing - Surface testing -Digital components warehouse, covering an area of 800 square meters, with constant temperature and humidity
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