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Analog Devices Inc. 112646-HMC341LC3B
- Part No.:
- 112646-HMC341LC3B
- Manufacturer:
- Analog Devices Inc.
- Category:
- RF, RFID, Wireless Evaluation Boards
- Package:
- Datasheet:
-
112646-HMC341LC3B.pdf
- Description:
- EVAL BOARD HMC341LC3B
- Quantity:
- Payment:
- Shipping:
Inventory:4,061
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Product details
Overview
HMC341LC3B from Analog Devices (formerly Hittite Microwave) is a GaAs pHEMT MMIC low-noise amplifier operating from 21 to 29 GHz, delivering 13 dB small-signal gain, 2.5 dB noise figure, and +3 V / 35 mA supply operation - ideal for millimeter-wave receiver front-ends in point-to-point radios and test equipment.
For engineers reviewing the HMC341LC3B datasheet, HMC341LC3B pinout, HMC341LC3B application, or HMC341LC3B equivalent, key selection criteria include its 21–29 GHz bandwidth, 50 Ω matched RF I/Os, RoHS-compliant 3×3 mm SMT package, and DC-blocked inputs/outputs eliminating external matching components.
Technical Context
The HMC341LC3B employs a monolithic GaAs pHEMT process to achieve broadband LNA performance across Ka-band without internal biasing networks or matching elements. Its RF I/Os are internally DC-blocked and impedance-matched to 50 Ω, enabling direct integration into surface-mount RF signal chains.
It operates with a single +3 V supply, draws 35 mA, and maintains stable gain (±0.025 dB/°C), noise figure (2.5–3.5 dB), and return loss (S11 ≥ 9 dB, S22 ≥ 9 dB) over –40°C to +85°C. The exposed paddle package requires soldering to RF ground for thermal and electrical integrity.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Frequency Range | 21–29 GHz - fully specified Ka-band coverage for satellite uplinks and high-capacity wireless backhaul. |
| Small-Signal Gain | 13 dB typical - provides sufficient first-stage amplification before mixer or ADC in sensitive receivers. |
| Noise Figure | 2.5 dB typical - enables high dynamic range in low-SNR applications such as radar and spectrum monitoring. |
| P1dB Output Power | 8.5 dBm typical - supports linear operation with >10 dB input-referred dynamic range at 25 GHz. |
| Input/Output Return Loss | S11 ≥ 9 dB, S22 ≥ 9 dB - ensures minimal reflection-induced instability and simplifies system-level impedance control. |
| Supply Voltage / Current | +3 V / 35 mA - low-power operation compatible with compact, thermally constrained mmWave modules. |
| Package | 3×3 mm ceramic SMT (alumina body, gold-over-nickel leads, MSL3) - supports reflow assembly and RF grounding via exposed paddle. |
Pinout & Package
Package: 12-lead leadless ceramic SMT (3×3 mm), alumina body with exposed ground paddle requiring solder connection to PCB RF ground plane.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | Vdd | DC power input requiring three bypass capacitors (100 pF, 1000 pF, 2.2 µF) for broadband decoupling. |
| 2, 3, 7–9 | N/C | No internal connection; may be tied to RF/DC ground without performance impact. |
| 4, 6, 10, 12 | GND | Ground terminals - must be soldered to PCB ground; work with exposed paddle for optimal RF return path. |
| 5 | RFIN | AC-coupled 50 Ω RF input - no external matching needed across full 21–29 GHz band. |
| 11 | RFOUT | AC-coupled 50 Ω RF output - directly interfaces with mixers, filters, or subsequent gain stages. |
Key Features
| Feature | Design Value |
|---|---|
| DC-blocked & 50 Ω matched I/O | Eliminates external DC blocking capacitors and impedance-matching networks - reduces BOM count and layout complexity. |
| Single +3 V supply operation | Enables compatibility with standard low-voltage power rails in compact mmWave subsystems and portable test gear. |
| RoHS-compliant 3×3 mm SMT package | Supports automated reflow assembly and meets environmental compliance requirements for global deployments. |
| Exposed ground paddle | Provides low-inductance RF grounding and thermal conduction path - critical for stability and power dissipation at Ka-band. |
| –40°C to +85°C operating range | Validated performance across industrial temperature extremes - suitable for outdoor wireless infrastructure and defense platforms. |
Applications
| Point-to-Point Radios | VSAT Terminals |
|---|---|
Use Scenario: High-capacity licensed microwave links operating in 23/26 GHz bands for telecom backhaul. IC Role / Device Role / Timing Role: First-stage LNA in receiver chain, amplifying weak signals from parabolic antenna before downconversion. Use Value: 2.5 dB noise figure preserves SNR in long-haul links; 13 dB gain compensates for feedline loss and mixer conversion loss. |
Use Scenario: Two-way satellite communication terminals for enterprise and maritime use. IC Role / Device Role / Timing Role: Low-noise receive amplifier in Ka-band transceiver module, placed immediately after OMT/LNB. Use Value: 21–29 GHz bandwidth covers multiple VSAT sub-bands; 50 Ω matched I/O simplifies integration with waveguide-to-microstrip transitions. |
| Millimeter-Wave Test Equipment | Military Radar Receivers |
Use Scenario: Signal analyzers and vector network analyzers requiring calibrated Ka-band front-end sensitivity. IC Role / Device Role / Timing Role: Calibration-grade LNA in instrument receiver path, enabling accurate noise floor measurement. Use Value: Stable noise figure (2.5–3.5 dB) and gain flatness (<3 dB variation) ensure traceable amplitude accuracy across frequency sweep. |
Use Scenario: Electronic warfare (EW) and fire-control radar systems operating in E-band (24–29 GHz). IC Role / Device Role / Timing Role: Front-end LNA in wideband digital receiver channel, supporting pulse-Doppler and DRFM architectures. Use Value: High reverse isolation (>20 dB) prevents LO leakage-induced desensitization; robust thermal design sustains operation under high ambient conditions. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar low-noise amplifier applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| HMC1040LP3DE | Wider 17–32 GHz range, higher 15 dB gain, but 3.0 dB NF and +5 V / 65 mA supply. | Better suited for ultra-wideband scanning receivers; less optimal for power-constrained 23/26 GHz fixed links. | Select when broader bandwidth and higher gain outweigh noise and power trade-offs. |
| QPL9057 | 24–33 GHz range, 14.5 dB gain, 2.2 dB NF, +3.3 V / 45 mA, 2×2 mm QFN package. | Smaller footprint and lower NF, but narrower low-end coverage (no 21–24 GHz support); not drop-in due to different pinout and grounding scheme. | Prefer for space-constrained 28 GHz 5G FR2 or automotive radar designs where 21–24 GHz operation is not required. |
Compared with HMC341LC3B, HMC1040LP3DE offers wider bandwidth and higher gain at the cost of increased noise and power, while QPL9057 delivers superior noise figure and miniaturization but sacrifices low-band Ka-band coverage and requires PCB redesign.
Availability
HMC341LC3B is available at Aetrix Electronics and suitable for point-to-point radios, VSAT terminals, and millimeter-wave test equipment requiring stable component supply, consistent RF performance, and RoHS-compliant SMT packaging.
Supply support for HMC341LC3B 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 acquired Hittite Microwave in 2014 and integrates its high-frequency RF portfolio into precision analog and RF solutions for communications, defense, and instrumentation markets.
The HMC341LC3B belongs to Hittite's legacy SMT GaAs pHEMT MMIC LNA family, engineered specifically for Ka-band infrastructure and test applications demanding low noise, high linearity, and surface-mount manufacturability.
FAQ
What is the operating frequency range of the HMC341LC3B?
The HMC341LC3B operates from 21 to 29 GHz, with fully characterized gain, noise figure, and return loss across this Ka-band span. Performance is specified in three sub-bands (21–24, 24–26, 26–29 GHz), ensuring reliable operation in licensed 23 GHz and 26 GHz wireless backhaul channels. The HMC341LC3B maintains 13 dB typical gain and 2.5 dB noise figure throughout the full range.
Does the HMC341LC3B require external matching components?
No - the HMC341LC3B features internally DC-blocked and 50 Ω matched RF input (Pin 5) and output (Pin 11), eliminating the need for external DC blocking capacitors or impedance-matching networks. This simplifies layout and improves repeatability in high-frequency designs. External bypass capacitors (100 pF, 1000 pF, 2.2 µF) are required only on the Vdd pin (Pin 1) for power supply decoupling.
What is the recommended PCB grounding method for the HMC341LC3B?
The HMC341LC3B requires soldering all GND pins (4, 6, 10, 12) and the exposed bottom paddle to a solid RF ground plane using multiple thermal vias. This dual-path grounding ensures low-inductance RF return and effective heat dissipation. The datasheet mandates direct paddle connection - floating or unterminated paddle causes degraded noise figure, gain instability, and potential thermal failure.
Is the HMC341LC3B pin-compatible with other Hittite Ka-band LNAs?
No - the HMC341LC3B uses a unique 12-lead 3×3 mm ceramic package with specific pin assignments (e.g., RFIN on Pin 5, RFOUT on Pin 11, Vdd on Pin 1). It is not pin-compatible with HMC1040LP3DE (16-lead 4×4 mm) or HMC5804 (8-lead 2×2 mm). Layout redesign and schematic updates are required for substitution.
What is the absolute maximum RF input power rating for the HMC341LC3B?
The absolute maximum RF input power for the HMC341LC3B is +5 dBm when operated at +3.0 Vdc supply, per the Absolute Maximum Ratings table. Exceeding this level risks permanent damage to the GaAs pHEMT transistor. For reliable linear operation, input power should remain below –10 dBm to avoid compression, given its +8.5 dBm P1dB output capability.
112646-HMC341LC3B Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- -
- Packaging:
- Box
- Product Status:
- Active
- Type:
- Amplifier
- Frequency:
- 21GHz ~ 29GHz
- Contents:
- Board(s)
- Utilized IC / Part:
- HMC341LC3B
112646-HMC341LC3B FAQ
1.How can I place an order for 112646-HMC341LC3B through Aetrix?
Please submit a Request for Quotation (RFQ) for 112646-HMC341LC3B 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 112646-HMC341LC3B reliable?
The price and inventory of 112646-HMC341LC3B are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for 112646-HMC341LC3B is usually 5 days.
3.What payment methods are accepted for 112646-HMC341LC3B?
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4.How is shipping managed for 112646-HMC341LC3B?
112646-HMC341LC3B orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your 112646-HMC341LC3B 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 112646-HMC341LC3B?
For technical support, including 112646-HMC341LC3B datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your 112646-HMC341LC3B requirements.
6.How does Aetrix verify that 112646-HMC341LC3B is sourced from the original manufacturer or authorized distributors?
All 112646-HMC341LC3B 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 112646-HMC341LC3B meets industry standards.
7.What is the process for return or replacement of 112646-HMC341LC3B?
All 112646-HMC341LC3B units undergo pre-shipment inspection (PSI). If there is an issue with 112646-HMC341LC3B, 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 112646-HMC341LC3B part is unused and in its original packaging.
Return procedure for 112646-HMC341LC3B:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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