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Analog Devices Inc. HMC329ALC3BTR
- Part No.:
- HMC329ALC3BTR
- Manufacturer:
- Analog Devices Inc.
- Category:
- RF Mixers
- Package:
- 12-CLCC Exposed Pad
- Datasheet:
-
HMC329ALC3BTR.pdf
- Description:
- IC MIXER MIXER 24-32GHZ 12SMD
- Quantity:
- Payment:
- Shipping:
Inventory:100
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Product details
Overview
HMC329ALC3BTR from Analog Devices is a GaAs MMIC double-balanced mixer operating from 24 GHz to 32 GHz, supporting both upconversion and downconversion with 11 dB typical conversion loss, 20 dBm input IP3, and 36.5 dB LO-to-RF isolation (24–30 GHz). It serves as a core RF front-end component in microwave VSAT radios and military electronic warfare systems.
For engineers reviewing the HMC329ALC3BTR datasheet, HMC329ALC3BTR pinout, HMC329ALC3BTR application, or HMC329ALC3BTR equivalent, this page delivers verified RF mixer specifications, thermal and isolation performance across temperature and LO power, package grounding requirements, and real-world use cases in high-frequency defense and test equipment.
Technical Context
The HMC329ALC3BTR uses optimized balun-based architecture to achieve high LO-to-RF (32–36.5 dB) and LO-to-IF (28–35.5 dB) suppression without external matching components. Its passive GaAs MMIC design operates with LO drive ≥9 dBm and supports IF bandwidth from DC to 8 GHz.
It functions bidirectionally: as a downconverter (RF 24–32 GHz → IF DC–8 GHz) or upconverter (IF DC–8 GHz → RF 24–32 GHz), with measured SSB noise figure of 12 dB and input P1dB of 12 dBm (downconverter, TA = 25°C).
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Frequency Range (RF) | 24–32 GHz - fully specified operation across Ka-band for satellite and radar links |
| Conversion Loss (Downconv.) | 11 dB typical - defines signal attenuation from RF to IF port under standard 13 dBm LO drive |
| LO to RF Isolation | 32–36.5 dB (24–30 GHz) - suppresses LO leakage into antenna path, reducing system desensitization |
| Input IP3 | 15.5–20 dBm - quantifies linearity headroom for handling multi-tone interference in dense RF environments |
| IF Bandwidth | DC to 8 GHz - enables baseband through millimeter-wave IF processing without external dc blocking |
| LO Drive Requirement | 9–15 dBm - specifies minimum/maximum LO power for optimal conversion efficiency and distortion control |
| Operating Temp. | −55°C to +85°C - validated for deployment in harsh environmental conditions including airborne and ground EW platforms |
Pinout & Package
12-terminal RoHS-compliant 3 mm × 3 mm ceramic leadless chip carrier (LCC, package code E-12-4) with exposed thermal pad requiring RF/dc ground connection. Package meets MSL3 per JEDEC J-STD-020.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1, 3, 4, 6, 7, 9 | GND | RF/dc ground terminals - must be connected to low-inductance ground plane for impedance stability and isolation integrity |
| 2 | LO | LO input port - ac-coupled, 50 Ω matched; requires ≥9 dBm drive for nominal conversion performance |
| 5 | IF | IF output/input port - dc-coupled; supports DC–8 GHz; current limited to ±3 mA when operating to DC |
| 8 | RF | RF input/output port - ac-coupled, 50 Ω matched; handles RF signals from 24–32 GHz |
| 10, 11, 12 | NIC | Not internally connected - may be grounded externally without affecting RF performance or thermal dissipation |
| EPAD | Exposed Pad | Thermal and electrical ground - mandatory connection to PCB ground plane via multiple vias for junction temperature control |
Key Features
| Feature | Design Value |
|---|---|
| Double-balanced topology | Enables inherent LO and RF port isolation, eliminating need for external diplexers or filters in compact front-ends |
| No external matching required | Reduces bill-of-materials and layout complexity - all ports pre-matched to 50 Ω over full 24–32 GHz band |
| DC-coupled IF port | Supports zero-IF and complex I/Q architectures without series blocking capacitors, preserving low-frequency fidelity |
| High input IP2 (42 dBm) | Minimizes second-order distortion products critical in wide-dynamic-range receivers and ECM systems |
| Surface-mount LCC package | Enables automated assembly and eliminates wire bonding - compatible with reflow soldering at 260°C peak |
Applications
| Microwave VSAT Radios | Electronic Warfare (EW) Receivers |
|---|---|
Use Scenario: High-throughput satellite communication terminals operating in Ka-band (27.5–31 GHz) requiring low-conversion-loss mixing for uplink/downlink translation. IC Role / Device Role / Timing Role: Downconverter translating 27–31 GHz RF signals to 1–8 GHz IF for digitization and demodulation. Use Value: 11 dB typical conversion loss and 36.5 dB LO-to-RF isolation maintain link budget margin and reduce adjacent-channel interference. | Use Scenario: Wideband RF intercept receivers in airborne or ground-based EW platforms detecting and analyzing hostile radar emissions. IC Role / Device Role / Timing Role: Front-end mixer enabling instantaneous frequency measurement across 24–32 GHz with minimal spurious generation. Use Value: 42 dBm input IP2 and 20 dBm IP3 ensure accurate detection of weak signals amid strong jammers or clutter. |
| Millimeter-Wave Test Equipment | Military C3I Systems |
Use Scenario: Vector network analyzers and spectrum analyzers requiring calibrated, broadband mixing capability above 24 GHz. IC Role / Device Role / Timing Role: Precision upconverter/downconverter in local oscillator distribution and signal synthesis paths. Use Value: Stable conversion gain vs. temperature (±1.5 dB from −40°C to +85°C) ensures measurement repeatability across environmental chambers. | Use Scenario: Secure, jam-resistant tactical data links operating in contested electromagnetic environments. IC Role / Device Role / Timing Role: Core mixer in frequency-agile transceivers supporting rapid hop-set execution between 24–32 GHz channels. Use Value: Bidirectional operation (up/down) and 9–15 dBm LO drive flexibility simplify synthesizer interface design and reduce power amplifier staging. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar double-balanced mixer applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| HMC554ALC3BTR | Same 24–32 GHz range but higher conversion loss (12.5 dB typ), lower IP3 (18 dBm typ), and reduced LO-to-RF isolation (30 dB typ) | Targeted at cost-sensitive test instrumentation where ultimate linearity is secondary to availability | Select when legacy compatibility with HMC554ALC3BTR footprint is required and 1.5 dB higher loss is acceptable |
| QPC1006 | Wider RF range (17–32 GHz), higher IF bandwidth (DC–12 GHz), but requires 13 dBm LO drive minimum and has no NIC pins | Preferred for multi-band systems needing coverage below 24 GHz, such as dual-band SATCOM terminals | Choose when extended low-band coverage or wider IF bandwidth justifies revised layout and LO source upgrade |
Compared with HMC554ALC3BTR and QPC1006, the HMC329ALC3BTR delivers superior LO-to-RF isolation and lower conversion loss within its native 24–32 GHz window, making it optimal for Ka-band EW and VSAT where spectral purity and link margin are critical.
Availability
HMC329ALC3BTR is available at Aetrix Electronics and suitable for microwave VSAT radios, electronic warfare receivers, and millimeter-wave test equipment requiring stable component supply, controlled moisture sensitivity (MSL3), and guaranteed long-term obsolescence management.
Supply support for HMC329ALC3BTR 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 industrial markets with precision signal chain solutions.
The HMC329ALC3BTR belongs to Analog Devices' Hittite Microwave MMIC product line, engineered specifically for broadband Ka-band front-end applications demanding high isolation, linearity, and thermal robustness in compact surface-mount packages.
FAQ
What is the recommended LO drive level for optimal performance of the HMC329ALC3BTR?
The HMC329ALC3BTR achieves best conversion loss and linearity with LO drive between 11 dBm and 13 dBm. At 9 dBm, conversion loss increases by ~1.5 dB; at 15 dBm, IP3 degrades slightly while P1dB improves marginally. Operation outside 9–15 dBm risks parametric shift or reliability impact per Absolute Maximum Ratings.
Can the HMC329ALC3BTR be used for zero-IF (direct-conversion) receiver designs?
Yes - the HMC329ALC3BTR features a dc-coupled IF port supporting operation from DC, enabling true zero-IF architectures. However, IF source/sink current must not exceed ±3 mA to prevent die malfunction, and external dc blocking is required only if baseband operation is unnecessary.
How does the exposed thermal pad on the HMC329ALC3BTR affect thermal performance?
The exposed pad on the HMC329ALC3BTR must be soldered directly to a solid RF/dc ground plane using ≥4 thermal vias. This reduces θJA from 120°C/W to <60°C/W in optimized layouts, preventing junction temperatures from exceeding 175°C at 200 mW dissipation under +85°C ambient conditions.
Is the HMC329ALC3BTR pin-compatible with earlier HMC329 variants?
Yes - the HMC329ALC3BTR shares identical pin configuration, package outline (E-12-4), and terminal functions with HMC329ALC3B and HMC329ALC3BTR-R5. All variants use the same 12-terminal LCC footprint and grounding scheme, enabling drop-in replacement in existing designs.
What are the key layout considerations for maintaining RF performance of the HMC329ALC3BTR?
Maintain 50 Ω controlled-impedance traces for LO and RF lines, minimize stub length, connect all GND pins and the exposed pad to a continuous low-inductance ground plane, and avoid routing sensitive IF traces near noisy digital or power domains. Use Rogers RO4350B or equivalent high-frequency laminate for evaluation-grade performance.
HMC329ALC3BTR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- -
- Package/Case:
- 12-CLCC Exposed Pad
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- RF Type:
- -
- Frequency:
- 25GHz ~ 40GHz
- Number of Mixers:
- 1
- Gain:
- -
- Noise Figure:
- 9.5dB
- Secondary Attributes:
- -
- Current - Supply:
- -
- Voltage - Supply:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 12-CLCC (2.9x2.9)
HMC329ALC3BTR FAQ
1.How can I place an order for HMC329ALC3BTR through Aetrix?
Please submit a Request for Quotation (RFQ) for HMC329ALC3BTR 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 HMC329ALC3BTR reliable?
The price and inventory of HMC329ALC3BTR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for HMC329ALC3BTR is usually 5 days.
3.What payment methods are accepted for HMC329ALC3BTR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for HMC329ALC3BTR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for HMC329ALC3BTR?
HMC329ALC3BTR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your HMC329ALC3BTR 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 HMC329ALC3BTR?
For technical support, including HMC329ALC3BTR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your HMC329ALC3BTR requirements.
6.How does Aetrix verify that HMC329ALC3BTR is sourced from the original manufacturer or authorized distributors?
All HMC329ALC3BTR 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 HMC329ALC3BTR meets industry standards.
7.What is the process for return or replacement of HMC329ALC3BTR?
All HMC329ALC3BTR units undergo pre-shipment inspection (PSI). If there is an issue with HMC329ALC3BTR, 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 HMC329ALC3BTR part is unused and in its original packaging.
Return procedure for HMC329ALC3BTR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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