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Analog Devices Inc. HMC129LC4TR-R5
- Part No.:
- HMC129LC4TR-R5
- Manufacturer:
- Analog Devices Inc.
- Category:
- RF Mixers
- Package:
- 24-TFQFN Exposed Pad
- Datasheet:
-
HMC129LC4TR-R5.pdf
- Description:
- IC MMIC MIXER DBL-BAL 24SMD
- Quantity:
- Payment:
- Shipping:
Inventory:1,177
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Product details
Overview
HMC129LC4TR-R5 from Analog Devices (formerly Hittite Microwave) is a GaAs MMIC double-balanced mixer operating from 4 to 8 GHz RF/LO and DC–3 GHz IF, delivering 7 dB typical conversion loss, 40 dB LO-to-RF isolation, and +17 dBm input IP3 - used as upconverter/downconverter in microwave radios and EW systems.
For engineers reviewing the HMC129LC4TR-R5 datasheet, HMC129LC4TR-R5 pinout, HMC129LC4TR-R5 application, or HMC129LC4TR-R5 equivalent, key selection criteria include its bias-free operation, 4×4 mm RoHS-compliant SMT package, wide +9 to +15 dBm LO drive range, and suitability for surface-mount manufacturing without wire bonding.
Technical Context
The HMC129LC4TR-R5 implements a passive double-balanced diode-ring topology in GaAs MMIC process, requiring no DC bias and supporting bidirectional signal flow (up/downconversion). Its balanced architecture provides inherent suppression of LO feedthrough and even-order harmonics at RF and IF ports.
It operates with 50 Ω DC-coupled RF, LO, and IF ports; RF and LO share identical 4–8 GHz bandwidth, while IF supports DC–3 GHz. Performance is specified at +15 dBm LO drive and TA = +25°C, with validated operation across –40°C to +85°C ambient.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| RF/LO Frequency Range | 4.0–8.0 GHz - enables full-band coverage in X-band point-to-point radios and military C3I links |
| IF Frequency Range | DC–3.0 GHz - supports baseband I/Q demodulation and IF-sampling architectures |
| Conversion Loss | 7 dB typ. - defines signal path attenuation; impacts system noise figure and dynamic range budget |
| LO–RF Isolation | 40 dB typ. - minimizes LO leakage into antenna/RX chain, critical for receiver desensitization control |
| Input IP3 | +17 dBm typ. - determines third-order intermodulation handling in multi-carrier or dense-spectrum environments |
| LO Drive Range | +9 to +15 dBm - accommodates variable-power LO sources without external amplification or attenuation |
| Package | 4×4 mm leadless RoHS-compliant SMT - enables high-density RF layout and reflow-compatible assembly |
Pinout & Package
Package: 4×4 mm ceramic QFN (alumina body, gold-over-nickel plating), MSL Level 3, exposed ground paddle requiring solder connection to PCB RF ground plane.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1, 5–7, 11–14, 18–24 | No Connection | May be grounded for mechanical stability; no electrical impact on RF performance |
| 2, 4, 8, 10, 15, 17 | RF/DC Ground | Must connect to low-inductance RF ground plane; essential for isolation and impedance matching |
| 3 | RF Port | DC-coupled 50 Ω input/output; matched for 4–8 GHz; primary RF signal path in downconverter mode |
| 9 | IF Port | DC-coupled 50 Ω port; supports DC–3 GHz; current-limited to ±2 mA for DC operation |
| 16 | LO Port | DC-coupled 50 Ω port; accepts +9 to +15 dBm LO drive; defines conversion efficiency and linearity |
Key Features
| Feature | Design Value |
|---|---|
| No DC bias required | Eliminates external bias networks and associated parasitics, simplifying RF front-end design and improving reliability |
| Double-balanced topology | Provides >40 dB LO–RF/IF isolation and strong suppression of 2nd-harmonic spurs in both up/downconversion modes |
| DC-coupled IF port | Enables true baseband operation (e.g., zero-IF receivers); requires ≤2 mA DC current to avoid die damage |
| RoHS-compliant 4×4 mm SMT package | Supports automated assembly, reduces board space vs. legacy leaded packages, and meets environmental compliance mandates |
| +9 to +15 dBm LO drive range | Accommodates diverse LO sources (VCOs, synthesizers, buffered oscillators) without level-shifting circuitry |
Applications
| Microwave Point-to-Point Radios | Electronic Warfare Receivers |
|---|---|
Use Scenario: High-capacity backhaul links operating in 5–6 GHz licensed bands with stringent adjacent-channel interference requirements. IC Role / Device Role / Timing Role: Downconverter translating 5.8 GHz RF to 70 MHz IF for digitization and demodulation. Use Value: 40 dB LO–RF isolation prevents LO radiation from degrading adjacent-channel sensitivity; 7 dB conversion loss preserves link budget. |
Use Scenario: Wideband SIGINT receivers scanning 4–8 GHz spectrum for threat signal detection and classification. IC Role / Device Role / Timing Role: First-stage image-reject mixer in superheterodyne front-end with tunable LO. Use Value: +17 dBm input IP3 enables simultaneous reception of multiple high-power emitters without intermodulation distortion. |
| VSAT Outdoor Units | Test & Measurement Signal Generators |
Use Scenario: Ku-band VSAT transceivers requiring compact, reliable upconversion from L-band IF to 14 GHz transmit band. IC Role / Device Role / Timing Role: Upconverter with LO at 13.75 GHz mixing L-band IF (950–2150 MHz) to RF output. Use Value: Bias-free operation eliminates failure-prone bias tees; 4×4 mm footprint enables integration into space-constrained ODU modules. |
Use Scenario: Benchtop RF signal generators needing clean, repeatable frequency translation for calibration and stimulus generation. IC Role / Device Role / Timing Role: Active component in internal LO+IF synthesis path for arbitrary waveform upconversion. Use Value: Consistent 7 dB conversion loss across 4–8 GHz ensures predictable output power accuracy; MSL3 rating supports lab equipment longevity. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar double-balanced mixer applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| HMC1048LC4TR | Wider RF/LO range (2–12 GHz), higher conversion loss (8.5 dB), lower IP3 (+14 dBm) | Better suited for multi-band test equipment; less optimal for narrowband high-linearity radios | Select when broader frequency coverage outweighs linearity and loss requirements |
| Qorvo QM11036 | Same 4–8 GHz range, but +19 dBm IP3 and 6.5 dB conversion loss; requires +13 dBm LO drive minimum | Higher dynamic range for dense-signal EW environments; tighter LO drive spec increases source complexity | Prefer when system-level IP3 margin is critical and LO source can meet +13 dBm minimum |
Compared with HMC129LC4TR-R5, HMC1048LC4TR trades linearity and loss for wider bandwidth, while QM11036 improves IP3 and conversion loss at the cost of stricter LO drive compliance - all three require identical 4×4 mm SMT layout but differ in RF system-level trade-offs.
Availability
HMC129LC4TR-R5 is available at Aetrix Electronics and suitable for microwave radios, electronic warfare receivers, and VSAT outdoor units requiring stable component supply, long-term lifecycle support, and RoHS-compliant SMT assembly.
Supply support for HMC129LC4TR-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 acquired Hittite Microwave in 2014 and integrates its high-frequency RF portfolio into precision RF signal chain solutions for defense, communications, and instrumentation.
The HMC129LC4TR-R5 belongs to Hittite's legacy GaAs MMIC mixer product line, engineered specifically for bias-free, high-isolation double-balanced operation in 4–8 GHz tactical and commercial microwave systems.
FAQ
Does the HMC129LC4TR-R5 require DC bias voltage or current to operate?
No, the HMC129LC4TR-R5 is a passive double-balanced mixer and requires no DC bias. All ports (RF, LO, IF) are DC-coupled and operate with RF drive only. This eliminates bias network design, reduces component count, and improves reliability in thermally stressed environments where bias components may drift or fail.
What is the maximum allowable DC current at the IF port of the HMC129LC4TR-R5?
The HMC129LC4TR-R5 IF port must not source or sink more than ±2 mA of DC current when operated to DC. Exceeding this limit risks non-function or permanent die damage. For AC-coupled IF applications, a series capacitor should be used to block DC while passing the required IF bandwidth (DC–3 GHz).
Can the HMC129LC4TR-R5 be used as both an upconverter and a downconverter?
Yes, the HMC129LC4TR-R5 functions bidirectionally: as a downconverter (RF → IF) or upconverter (IF → RF), depending on signal routing. Its symmetric double-balanced architecture ensures consistent conversion loss, isolation, and linearity in either configuration - verified per datasheet measurements at +15 dBm LO drive.
What is the thermal resistance and maximum channel temperature specification for the HMC129LC4TR-R5?
The HMC129LC4TR-R5 has a channel-to-ground-paddle thermal resistance of 131.4 °C/W and a maximum channel temperature of 150 °C. At 85 °C case temperature, its continuous power dissipation is derated from 124 mW at 85 °C by 4.957 mW/°C above that point - critical for thermal design in sealed enclosures or high-ambient deployments.
Is the HMC129LC4TR-R5 pin-compatible with other Hittite 4×4 mm mixer variants like the HMC1048LC4TR?
No documented pin-to-pin compatibility exists between HMC129LC4TR-R5 and HMC1048LC4TR. While both use 4×4 mm QFN packages, their pin functions differ: HMC129LC4TR-R5 assigns Pin 3 to RF and Pin 16 to LO, whereas HMC1048LC4TR uses different pin allocations per its datasheet - PCB layout must be verified against each device's specific pinout.
HMC129LC4TR-R5 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- -
- Package/Case:
- 24-TFQFN Exposed Pad
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- RF Type:
- General Purpose
- Frequency:
- 4GHz ~ 8GHz
- Number of Mixers:
- 1
- Gain:
- -
- Noise Figure:
- 7dB
- Secondary Attributes:
- Up/Down Converter
- Current - Supply:
- -
- Voltage - Supply:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 24-QFN (4x4)
HMC129LC4TR-R5 FAQ
1.How can I place an order for HMC129LC4TR-R5 through Aetrix?
Please submit a Request for Quotation (RFQ) for HMC129LC4TR-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 HMC129LC4TR-R5 reliable?
The price and inventory of HMC129LC4TR-R5 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for HMC129LC4TR-R5 is usually 5 days.
3.What payment methods are accepted for HMC129LC4TR-R5?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for HMC129LC4TR-R5 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for HMC129LC4TR-R5?
HMC129LC4TR-R5 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your HMC129LC4TR-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 HMC129LC4TR-R5?
For technical support, including HMC129LC4TR-R5 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your HMC129LC4TR-R5 requirements.
6.How does Aetrix verify that HMC129LC4TR-R5 is sourced from the original manufacturer or authorized distributors?
All HMC129LC4TR-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 HMC129LC4TR-R5 meets industry standards.
7.What is the process for return or replacement of HMC129LC4TR-R5?
All HMC129LC4TR-R5 units undergo pre-shipment inspection (PSI). If there is an issue with HMC129LC4TR-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 HMC129LC4TR-R5 part is unused and in its original packaging.
Return procedure for HMC129LC4TR-R5:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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