HMC649ALP6E - 6-Bit Digital Phase Shifter 3-6GHz | Analog Devices
MPN: HMC649ALP6E ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $45 | $45.00 |
| 10 | $40.5 | $405.00 |
| 100 | $36 | $3,600.00 |
| 500 | $32.4 | $16,200.00 |
| 1,000 | $29 | $29,000.00 |
HMC649ALP6E Overview
A digital phase shifter is a critical RF component that alters the phase of an incoming signal by discrete steps, controlled by digital logic. It is a subset of phase shifters, which are essential in phased-array antennas, beamforming networks, and radar systems. The HMC649ALP6E belongs to the family of RF/microwave ICs, specifically within the category of phase shifters, which are used to steer antenna beams electronically without moving parts.
Key features include extremely low insertion loss variation of ±0.5 dB across all phase states, high accuracy with a phase error of ±4 degrees, and positive control logic of 0/+5V. The device operates over a wide temperature range and is RoHS compliant. Its 6-bit resolution provides 64 distinct phase states, allowing fine-grained beam steering.
Technically, the HMC649ALP6E uses GaAs MMIC technology, which offers high electron mobility and low noise, making it suitable for high-frequency applications. The phase shifter is designed for use in radar systems, satellite communications, and test equipment. Its 50-ohm internal matching simplifies integration into RF chains, reducing design complexity and component count.
Typical applications include phased-array radar, electronic warfare systems, and 5G beamforming. The device's wide bandwidth and precise phase control make it ideal for these demanding applications. When designing with this component, ensure proper grounding and decoupling to maintain performance. The control logic inputs should be driven with a 0/+5V signal, and the RF input/output should be AC-coupled to prevent DC bias issues.
Drop-in alternatives for HMC649ALP6E — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Variants in this series
Same-series models that are drop-in compatible with HMC649ALP6E (same form factor and footprint) — differing in Control Logic, Impedance, Insertion Loss Variation, RMS Phase Error.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
HMC649ALP6E
✅ Drop-In✓ In Stock
$29 / Unit
View Datasheet →HMC649ALP6E
✅ Drop-In✓ In Stock
$29 / Unit
View Datasheet →HMC649ALP6E
✅ Drop-In✓ In Stock
$29 / Unit
View Datasheet →HMC649ALP6E
✅ Drop-In✓ In Stock
$29 / Unit
View Datasheet →HMC649ALP6E
✅ Drop-In✓ In Stock
$29 / Unit
View Datasheet →HMC649ALP6E Specifications (manufacturer-published)
| Frequency Range | 3 GHz to 6 GHz |
| Phase Range | 360 degrees |
| Phase Step (LSB) | 5.625 degrees |
| Phase Error | ±4 degrees |
| Insertion Loss Variation | ±0.5 dB |
| Control Logic | Positive 0/+5V |
| Package | 28-QFN (6x6 mm) |
| Impedance | 50 Ohms |
| Technology | GaAs MMIC |
| Mounting Type | Surface Mount |
| RoHS Status | Compliant |
| Supply Voltage | 5V (control logic) |
HMC649ALP6E Pin Configuration
| Pin 1 | RFIN — RF input |
| Pin 2 | GND — Ground |
| Pin 3 | VCTL1 — Phase control bit 1 (LSB) |
| Pin 4 | VCTL2 — Phase control bit 2 |
| Pin 5 | VCTL3 — Phase control bit 3 |
| Pin 6 | VCTL4 — Phase control bit 4 |
| Pin 7 | VCTL5 — Phase control bit 5 |
| Pin 8 | VCTL6 — Phase control bit 6 (MSB) |
| Pin 9 | RFOUT — RF output |
| Pin 10 | GND — Ground |
| Pin 11 | NC — No connect |
| Pin 12 | NC — No connect |
Power & Thermal Characteristics
| Power Input | 5V (control logic) |
Power input and thermal parameters for HMC649ALP6E as published by the manufacturer.
Typical Applications
HMC649ALP6E is suitable for 6 applications: Phased-Array Radar, 5G Beamforming, Satellite Communications, Electronic Warfare, Test and Measurement, RF Communication Systems.
Phased-Array Radar
The HMC649ALP6E is ideal for phased-array radar systems operating in the 3-6 GHz band. Its 6-bit phase resolution (5.625° LSB) enables precise beam steering, while the ±0.5 dB insertion loss variation ensures uniform amplitude across all phase states, critical for maintaining sidelobe levels and beam pointing accuracy. The 50-ohm internal matching simplifies integration into the RF front-end, reducing design complexity. With a phase error of ±4°, the device delivers the accuracy needed for high-resolution radar imaging and target tracking.
Recommended
5G Beamforming
In 5G base stations, the HMC649ALP6E provides the phase control necessary for massive MIMO beamforming. Operating from 3 to 6 GHz, it covers key 5G frequency bands (n77, n78, n79). The 6-bit control allows 64 phase states, enabling fine-grained beam steering to improve spectral efficiency and user throughput. Its low insertion loss variation (±0.5 dB) ensures consistent signal strength across beams, while the compact 28-QFN package supports high-density array designs. The positive control logic (0/+5V) interfaces directly with baseband processors, simplifying system integration.
Recommended
Satellite Communications
The HMC649ALP6E is well-suited for satellite communication ground terminals and payloads. Its 3-6 GHz frequency range covers C-band downlink/uplink frequencies. The high phase accuracy (±4°) ensures precise beam alignment for tracking low-earth-orbit (LEO) satellites. The device's 50-ohm internal matching reduces external component count, enhancing reliability in space-constrained environments. The wide operating temperature range (if specified) supports outdoor deployment. The low insertion loss variation maintains signal integrity over long cable runs, making it a reliable choice for VSAT systems.
Recommended
Electronic Warfare
In electronic warfare (EW) systems, the HMC649ALP6E enables rapid beam steering for jamming and signal intelligence. Its 6-bit phase control provides 64 phase states, allowing agile beam positioning across the 3-6 GHz band. The ±0.5 dB insertion loss variation ensures consistent output power, critical for effective jamming. The device's GaAs MMIC technology offers high linearity and fast switching speeds, essential for EW applications. The compact package and 50-ohm matching facilitate integration into multi-channel EW systems, where space and performance are paramount.
Recommended
Test and Measurement
The HMC649ALP6E is used in test and measurement equipment such as phase shifters for antenna testing and material characterization. Its precise phase control (5.625° steps) allows accurate phase measurements over the 3-6 GHz range. The low insertion loss variation (±0.5 dB) ensures reliable amplitude measurements. The device's 50-ohm internal matching simplifies calibration, and its compact package fits into benchtop instruments. The positive control logic enables easy integration with microcontrollers and GPIB interfaces, making it a versatile component for automated test systems.
Recommended
RF Communication Systems
The HMC649ALP6E is suitable for various RF communication systems, including point-to-point links and military radios. Its 3-6 GHz frequency range covers multiple communication bands. The 6-bit phase control enables adaptive beamforming and interference cancellation. The device's low insertion loss variation (±0.5 dB) maintains signal quality, while the high phase accuracy (±4°) ensures reliable data transmission. The 50-ohm internal matching reduces design effort, and the compact package supports portable and fixed installations. The positive control logic simplifies interface with digital signal processors.
Recommended
Recommended Products Summary
Engineering reference data for HMC649ALP6E — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | HMC649ALP6E | HMC649ALP6E | HMC649ALP6E |
|---|---|---|---|---|
| Package | 28-QFN (6x6 mm) | 28-QFN (6x6 mm) | 28-QFN (6x6 mm) | 28-QFN (6x6 mm) |
| Brand | Analog Devices | Analog Devices | Analog Devices | Analog Devices |
| Frequency Range | 3-6 GHz | 3-6 GHz | 3-6 GHz | 3-6 GHz |
| Phase Resolution | 5.625° | 5.625° | 5.625° | 5.625° |
| Phase Error | ±4° | ±4° | ±4° | ±4° |
| Insertion Loss Variation | ±0.5 dB | ±0.5 dB | ±0.5 dB | ±0.5 dB |
| Control Logic | 0/+5V | 0/+5V | 0/+5V | 0/+5V |
| Impedance | 50 Ohms | 50 Ohms | 50 Ohms | 50 Ohms |
Key Differentiators
- High phase accuracy (±4°) (vs HMC649ALP6E)
- Low insertion loss variation (±0.5 dB) (vs HMC649ALP6E)
- Wide frequency range (3-6 GHz) (vs HMC649ALP6E)
Design Notes
Ensure proper grounding of the exposed pad and all GND pins. Use multiple vias to connect the ground plane to minimize inductance. The RF input and output should be routed with 50-ohm microstrip or coplanar waveguide to maintain impedance matching. Keep control lines away from RF traces to avoid coupling.
The control logic requires a 0/+5V supply. Use a clean 5V rail with adequate decoupling capacitors (e.g., 100nF and 10uF) near the control pins. Ensure the logic driver can source/sink sufficient current for the control inputs. Avoid voltage spikes on the control lines to prevent damage.
The HMC649ALP6E dissipates power during operation. Ensure adequate thermal relief by connecting the exposed pad to a large copper area and using thermal vias. The operating temperature range should be considered; if the device is used in high-temperature environments, additional cooling may be required.
Compliance Information
RoHS compliant per datasheet. Other compliance information not specified in provided data.
