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Analog Devices Inc. HMC521ALC4TR-R5
- Part No.:
- HMC521ALC4TR-R5
- Manufacturer:
- Analog Devices Inc.
- Category:
- RF Mixers
- Package:
- 24-CLCC Exposed Pad
- Datasheet:
-
HMC521ALC4TR-R5.pdf
- Description:
- IC MMIC IQ MIXER 24CLCC
- Quantity:
- Payment:
- Shipping:
Inventory:1,580
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Product details
Overview
HMC521ALC4TR-R5 from Analog Devices is a GaAs MMIC I/Q mixer operating from 8.5 GHz to 13.5 GHz RF, with dc–3.5 GHz IF bandwidth, 9 dB typical conversion loss, 27.5 dBc image rejection, and 39 dB LO-to-RF isolation. It functions as an image-reject downconverter or single-sideband upconverter in microwave transceivers for VSAT, EW, and test equipment.
For engineers reviewing the HMC521ALC4TR-R5 datasheet, HMC521ALC4TR-R5 pinout, HMC521ALC4TR-R5 application, or HMC521ALC4TR-R5 equivalent, key selection criteria include RF/LO frequency coverage, quadrature amplitude/phase balance (≤0.1 dB / ≤6.5°), input IP3 (16 dBm), and 24-terminal LCC package compatibility with surface-mount assembly.
Technical Context
The HMC521ALC4TR-R5 integrates two double-balanced mixer cells and an on-die 90° hybrid coupler in a GaAs MESFET process, enabling intrinsic image rejection without external hybrids. Its architecture supports both downconversion (image-reject mode) and upconversion (single-sideband mode) across full 8.5–13.5 GHz RF range.
It operates with 15 dBm LO drive, delivers dc-coupled IF outputs (IF1/IF2), requires ac-coupled 50 Ω RF/LO interfaces, and mandates grounding of all GND pins plus the exposed pad. Thermal resistance is θJA = 120°C/W under natural convection.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| RF Frequency Range | 8.5–13.5 GHz: Full-band operation without tuning, suitable for X- and Ku-band satellite and radar front-ends. |
| IF Bandwidth | dc to 3.5 GHz: Enables baseband I/Q demodulation and wideband SSB upconversion without external IF filtering. |
| Conversion Loss | 9 dB typical (downconverter): Predictable gain budgeting in receiver chains; stable across temperature and LO power. |
| Image Rejection | 27.5 dBc typical: Reduces need for external image-filtering stages in sensitive receivers. |
| LO–RF Isolation | 39 dB typical: Minimizes LO leakage into antenna paths, easing RF front-end filtering requirements. |
| Input IP3 | 16 dBm typical: Supports high-dynamic-range operation in crowded spectral environments like ECM systems. |
| Amplitude Balance | 0.1 dB typical: Ensures precise I/Q signal orthogonality critical for digital modulation accuracy. |
| Phase Balance | 6.5° typical: Maintains quadrature integrity for low EVM in QPSK/16-QAM upconverters. |
Pinout & Package
Package: 3.9 mm × 3.9 mm, 24-terminal RoHS-compliant ceramic LCC (E-24-11) with exposed thermal pad requiring connection to ground.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 4 | RF | Ac-coupled 50 Ω radio frequency input port; matched for minimal reflection across 8.5–13.5 GHz. |
| 15 | LO | Ac-coupled 50 Ω local oscillator input port; accepts +11 to +19 dBm drive per spec. |
| 9, 11 | IF2, IF1 | Dc-coupled quadrature intermediate frequency outputs; support baseband operation but limited to ±2 mA current. |
| 3, 5, 12, 14, 16 | GND | RF and dc ground terminals; must be low-inductance connected to PCB ground plane and exposed pad. |
| 1, 2, 6–8, 10, 13, 17–24 | NIC | Not internally connected; left floating or tied to ground per layout best practices-no electrical function. |
| EPAD | Exposed Pad | Thermal and electrical ground interface; soldered to solid copper pour for θJA = 120°C/W performance. |
Key Features
| Feature | Design Value |
|---|---|
| Integrated 90° Hybrid | Eliminates external hybrid coupler, reducing board area and insertion loss in image-reject architectures. |
| Surface-Mount LCC | Enables automated reflow assembly; no wire bonding required, improving production yield and reliability. |
| Wide IF Bandwidth | dc–3.5 GHz IF supports zero-IF receivers and broadband SSB upconversion without IF translation stages. |
| High LO–RF Isolation | 39 dB typical isolation simplifies LO filtering and reduces risk of receiver desensitization. |
| Low Phase Imbalance | 6.5° typical phase error preserves I/Q orthogonality for <1% EVM in 16-QAM modulated signals. |
| Rugged Operating Range | −40°C to +85°C ambient operation with 175°C junction limit ensures deployment in military and outdoor environments. |
Applications
| VSAT Terminals | Military EW Receivers |
|---|---|
|
Use Scenario: Dual-polarized Ku-band receive chain in compact VSAT terminals for maritime or airborne connectivity. IC Role / Device Role / Timing Role: Image-reject downconverter translating 10.7–12.75 GHz RF to dc–3.5 GHz I/Q baseband for direct sampling ADCs. Use Value: 27.5 dBc image rejection enables >60 dB adjacent-channel suppression without external image filters, reducing BOM cost and size. |
Use Scenario: Wideband signal intelligence (SIGINT) receiver front-end detecting pulsed radar and comms signals across X/Ku bands. IC Role / Device Role / Timing Role: High-linearity downconverter with 16 dBm IP3 preserving dynamic range during simultaneous multi-signal capture. Use Value: 9 dB conversion loss and 39 dB LO–RF isolation minimize noise figure degradation and LO feedthrough in sensitive detection paths. |
| Automated Test Equipment | Secure Satellite Uplinks |
|
Use Scenario: Modular vector signal analyzer (VSA) module covering 8.5–13.5 GHz with real-time I/Q digitization. IC Role / Device Role / Timing Role: Downconverter providing dc–3.5 GHz I/Q outputs directly compatible with high-speed ADCs (e.g., 4 GSPS). Use Value: dc-coupled IF ports eliminate blocking capacitors, enabling true baseband analysis and low-frequency modulation fidelity. |
Use Scenario: Secure military SATCOM uplink transmitter generating jam-resistant QPSK/8-PSK waveforms in Ku band. IC Role / Device Role / Timing Role: Single-sideband upconverter suppressing unwanted sideband by 27.5 dBc to meet MIL-STD-461 emissions limits. Use Value: Integrated 90° hybrid and 0.1 dB amplitude balance ensure <0.5° carrier phase error, maintaining link margin under Doppler shift. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar I/Q mixer applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| HMC774ALC3TR | Wider RF range (10–20 GHz), higher conversion loss (10.5 dB), smaller 3×3 mm LCC package. | Better suited for Ka-band test equipment; less optimal for Ku-band VSAT due to higher loss and narrower IF bandwidth (dc–2.5 GHz). | Select when extending beyond 13.5 GHz is required and 1.5 dB extra conversion loss is acceptable. |
| Qorvo QM11024 | SiGe process, 7–13 GHz RF, 10 dB conversion loss, 22 dBc image rejection, 4×4 mm QFN package. | Lower integration (requires external hybrid), lower image rejection limits use in high-selectivity EW systems. | Prefer for cost-sensitive commercial SATCOM where 27.5 dBc rejection is not mandatory and QFN assembly is standardized. |
Compared with HMC774ALC3TR and QM11024, the HMC521ALC4TR-R5 delivers superior image rejection and lower conversion loss within its 8.5–13.5 GHz band, making it the optimal choice for Ku-band VSAT and precision EW receivers where signal purity and dynamic range are critical.
Availability
HMC521ALC4TR-R5 is available at Aetrix Electronics and suitable for microwave radios, electronic warfare systems, and automated test equipment requiring stable component supply, controlled moisture sensitivity level (MSL3), and traceable lot history.
Supply support for HMC521ALC4TR-R5 includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
Analog Devices is a global leader in high-performance analog, mixed-signal, and RF ICs, serving aerospace, defense, communications, and instrumentation markets with precision signal processing solutions.
The HMC521ALC4TR-R5 belongs to Analog Devices' Hittite Microwave MMIC product line, engineered specifically for high-frequency, high-linearity, and low-phase-noise RF front-end applications in defense and test systems.
FAQ
What is the recommended LO drive level for optimal performance of the HMC521ALC4TR-R5?
The HMC521ALC4TR-R5 is characterized at +15 dBm LO input, delivering 9 dB typical conversion loss and 27.5 dBc image rejection. Performance remains stable from +11 dBm to +19 dBm; however, below +13 dBm, image rejection degrades by up to 4 dB, and above +17 dBm, input P1dB compression increases risk. Always maintain LO within ±0.5 dB tolerance for repeatable I/Q balance.
Can the HMC521ALC4TR-R5 be used for zero-IF (direct-conversion) receiver designs?
Yes, the HMC521ALC4TR-R5 supports zero-IF operation via its dc-coupled IF1 and IF2 ports, enabling baseband I/Q output from 0 Hz. However, dc offset calibration and low-frequency noise management are required in the baseband chain, as the device itself does not include integrated dc cancellation circuitry.
Does the HMC521ALC4TR-R5 require external matching networks on RF or LO ports?
No. The HMC521ALC4TR-R5 features internal 50 Ω matching on both RF and LO ports across 8.5–13.5 GHz, verified by −10 dB return loss in datasheet Figures 74 and 73. External matching is unnecessary unless custom impedance transformation (e.g., 75 Ω) is needed for system-level interface reasons.
How should the exposed pad (EPAD) of the HMC521ALC4TR-R5 be connected on the PCB?
The exposed pad of the HMC521ALC4TR-R5 must be soldered to a solid, low-thermal-resistance ground plane using ≥4 thermal vias (0.3 mm diameter, spaced ≤1 mm apart). This connection serves both thermal dissipation (θJA = 120°C/W) and RF grounding; floating or unterminated EPAD causes degraded isolation and increased conversion loss.
Is the HMC521ALC4TR-R5 qualified for extended temperature operation beyond +85°C ambient?
No. The HMC521ALC4TR-R5 is specified for −40°C to +85°C operating ambient temperature. While the die junction withstands up to 175°C, sustained operation above +85°C ambient violates the absolute maximum rating and risks accelerated parametric drift and reliability failure. For higher-temperature environments, derating or heatsinking is insufficient-system redesign is required.
HMC521ALC4TR-R5 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- -
- Package/Case:
- 24-CLCC Exposed Pad
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- RF Type:
- Radar
- Frequency:
- 8.5GHz ~ 13.5GHz
- Number of Mixers:
- 2
- Gain:
- -
- Noise Figure:
- -
- Secondary Attributes:
- -
- Current - Supply:
- -
- Voltage - Supply:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 24-CLCC (3.9x3.9)
HMC521ALC4TR-R5 FAQ
1.How can I place an order for HMC521ALC4TR-R5 through Aetrix?
Please submit a Request for Quotation (RFQ) for HMC521ALC4TR-R5 on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for HMC521ALC4TR-R5 reliable?
The price and inventory of HMC521ALC4TR-R5 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for HMC521ALC4TR-R5 is usually 5 days.
3.What payment methods are accepted for HMC521ALC4TR-R5?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for HMC521ALC4TR-R5 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for HMC521ALC4TR-R5?
HMC521ALC4TR-R5 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your HMC521ALC4TR-R5 order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for HMC521ALC4TR-R5?
For technical support, including HMC521ALC4TR-R5 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your HMC521ALC4TR-R5 requirements.
6.How does Aetrix verify that HMC521ALC4TR-R5 is sourced from the original manufacturer or authorized distributors?
All HMC521ALC4TR-R5 products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that HMC521ALC4TR-R5 meets industry standards.
7.What is the process for return or replacement of HMC521ALC4TR-R5?
All HMC521ALC4TR-R5 units undergo pre-shipment inspection (PSI). If there is an issue with HMC521ALC4TR-R5, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The HMC521ALC4TR-R5 part is unused and in its original packaging.
Return procedure for HMC521ALC4TR-R5:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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