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Analog Devices Inc. HMC787AG
- Part No.:
- HMC787AG
- Manufacturer:
- Analog Devices Inc.
- Category:
- RF Mixers
- Package:
- Die
- Datasheet:
-
HMC787AG.pdf
- Description:
- MIXERS
- Quantity:
- Payment:
- Shipping:
Inventory:2,521
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Product details
Overview
HMC787AG from Analog Devices is a GaAs MMIC fundamental double-balanced mixer operating from 3 GHz to 10 GHz RF, with dc–4 GHz IF bandwidth and 17 dBm LO drive requirement. It delivers 9 dB typical conversion loss, 43 dB typical LO-to-IF isolation, and 24 dBm input IP3 across its band, enabling high-linearity upconversion and downconversion in microwave transceivers.
For engineers reviewing the HMC787AG datasheet, HMC787AG pinout, HMC787AG application, or HMC787AG equivalent, this page provides verified RF mixer specifications, ceramic LCC package interface details, thermal and isolation performance data, and validated alternatives for microwave radio, test equipment, and defense-grade signal chain design.
Technical Context
The HMC787AG employs a passive double-balanced topology fabricated in GaAs MESFET process, eliminating external matching components and bias networks. Its optimized balun structures deliver >40 dB LO-to-RF and LO-to-IF isolation while supporting operation as both upconverter and downconverter.
It operates with fixed 17 dBm LO drive level and requires no DC bias; all ports (RF, LO, IF) are internally matched to 50 Ω except IF, which is dc-coupled and current-limited to ±12 mA. The exposed-pad ceramic LCC package enables robust RF grounding and surface-mount manufacturability.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| RF Frequency Range | 3 GHz to 10 GHz - supports full-band microwave radio and radar front-end operation without retuning |
| IF Frequency Range | dc to 4 GHz - enables baseband through S-band IF processing including zero-IF architectures |
| Conversion Loss | 9 dB typical - defines signal path attenuation; impacts system noise figure and gain budgeting |
| LO Drive Level | 17 dBm - fixed drive requirement; eliminates need for external LO amplification in many systems |
| Input IP3 | 24 dBm typical - quantifies third-order intermodulation suppression for multi-carrier or wideband signals |
| LO-to-IF Isolation | 43 dB typical - minimizes LO leakage into sensitive IF stages, reducing filtering complexity |
| Operating Temperature | −40°C to +85°C - qualified for industrial and military environmental conditions |
Pinout & Package
The HMC787AG is housed in a 12-terminal RoHS-compliant ceramic leadless chip carrier (LCC) package (E-12-4), featuring an exposed ground pad requiring direct connection to RF/dc ground plane for optimal thermal and isolation performance.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1, 3, 4, 6, 7, 9 | GND | RF/dc ground terminals - must be soldered to solid ground plane; critical for balun balance and isolation |
| 2 | LO | Local oscillator input - ac-coupled, 50 Ω matched; accepts 17 dBm drive without external matching |
| 5 | IF | Intermediate frequency output/input - dc-coupled; max ±12 mA sourcing/sinking to prevent damage |
| 8 | RF | Radio frequency port - ac-coupled, 50 Ω matched; handles up to 28 dBm RF input per absolute ratings |
| 10–12 | NIC | Not internally connected - left unconnected; no routing or termination required |
| EPAD | Exposed Pad | Thermal and RF ground - must be soldered to ground plane with ≥90% coverage and multiple vias |
Key Features
| Feature | Design Value |
|---|---|
| Passive double-balanced architecture | Eliminates DC bias circuitry and external baluns; reduces BOM count and layout sensitivity |
| Wide IF bandwidth (dc–4 GHz) | Supports zero-IF, low-IF, and high-IF receiver architectures without redesign |
| High LO-to-RF/IF isolation (>40 dB) | Reduces need for external LO filtering and improves receiver dynamic range |
| GaAs MESFET process | Enables stable high-frequency performance across temperature with no gate leakage risk |
| Surface-mount ceramic LCC package | Compatible with automated reflow assembly; no wire bonding required |
Applications
| Microwave Point-to-Point Radio | Test & Measurement Equipment |
|---|---|
Use Scenario: High-capacity backhaul links operating in 6–8 GHz licensed bands requiring low-phase-noise upconversion and image-reject downconversion. IC Role / Device Role / Timing Role: Fundamental mixer performing RF-to-IF downconversion and IF-to-RF upconversion in dual-conversion transceiver architecture. Use Value: 9 dB conversion loss and 24 dBm IP3 maintain EVM and ACLR compliance under multi-tone modulation; 43 dB LO-to-IF isolation prevents LO pulling in adjacent channels. |
Use Scenario: Vector network analyzer (VNA) and spectrum analyzer front-ends needing broadband, repeatable mixing performance from 3–10 GHz. IC Role / Device Role / Timing Role: Core signal translation element in receiver and source modules, handling both swept and fixed-frequency stimulus/response paths. Use Value: Stable conversion loss across temperature (±0.5 dB from −40°C to +85°C) ensures calibration traceability; dc–4 GHz IF enables baseband digitization without additional IF amplifiers. |
| Defense Radar Front-Ends | ISM/UWB Communication Systems |
Use Scenario: Pulse-Doppler radar receivers operating at X-band (8–12 GHz) requiring high dynamic range and spurious-free operation. IC Role / Device Role / Timing Role: First-stage downconverter translating RF echoes to lower IF for pulse compression and Doppler processing. Use Value: 67 dBm input IP2 suppresses even-order distortion from asymmetric pulses; 26 dB RF-to-IF isolation prevents signal feedthrough during transmit/receive switching. |
Use Scenario: Ultra-wideband (UWB) transceivers in 3.1–10.6 GHz FCC-certified bands implementing direct-conversion or low-IF architectures. IC Role / Device Role / Timing Role: Wideband mixer enabling channel-agile hopping across sub-bands without hardware reconfiguration. Use Value: Flat conversion loss (±0.8 dB) and consistent IP3 across full 3–10 GHz band simplify digital predistortion and channel equalization. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar RF mixer applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| HMC1048LP3E | Wider RF range (2–18 GHz), higher conversion loss (10.5 dB), requires 20 dBm LO drive | Better suited for Ka-band extensions but demands higher LO power and exhibits higher noise figure | Select when extending beyond 10 GHz; verify LO amplifier capability and system NF budget |
| LT5560 | SiGe process, lower frequency (0.1–4 GHz), integrated LO buffer, 5 V supply required | Targets sub-6 GHz portable radios; lacks dc–4 GHz IF and GaAs linearity | Choose only for cost-sensitive, lower-frequency designs where 24 dBm IP3 is not required |
Compared with HMC787AG, HMC1048LP3E extends usable bandwidth but increases LO drive demand and degrades conversion efficiency, while LT5560 trades frequency coverage and linearity for integration and supply simplicity-neither offers drop-in replacement capability.
Availability
HMC787AG is available at Aetrix Electronics and suitable for microwave radio, defense radar, and test equipment applications requiring stable component supply across extended temperature ranges and high-volume production.
Supply support for HMC787AG 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 precision instrumentation, communications, and aerospace markets since 1965.
The HMC787AG belongs to Analog Devices' Hittite Microwave MMIC product line, engineered specifically for broadband, high-linearity RF signal translation in demanding microwave infrastructure and defense systems.
FAQ
What is the recommended LO drive level for the HMC787AG?
The HMC787AG requires a precise 17 dBm local oscillator drive level for optimal conversion loss, isolation, and linearity performance. Operating below this level increases conversion loss and degrades IP3; exceeding it risks saturation and accelerated aging. All published specifications-including 9 dB typical conversion loss and 43 dB LO-to-IF isolation-are measured at exactly 17 dBm LO input, making accurate LO power control essential in the HMC787AG signal chain.
Does the HMC787AG require external DC bias or matching components?
No, the HMC787AG is a fully passive, double-balanced GaAs MMIC mixer requiring no external DC bias, bias tees, or impedance-matching networks. Its RF, LO, and IF ports are internally matched to 50 Ω (except IF, which is dc-coupled), and its balun structures are monolithically integrated. This eliminates tuning complexity and makes the HMC787AG compatible with compact, high-density PCB layouts where space and component count are constrained.
Can the HMC787AG operate with dc-coupled IF signals?
Yes, the HMC787AG supports true dc-coupled IF operation via Pin 5 (IF), but strict current limits apply: the IF port must not source or sink more than ±12 mA to avoid device malfunction or permanent damage. For dc-coupled use, ensure downstream/baseband circuitry complies with this limit; for ac-coupled IF above ~10 MHz, a series capacitor may be added externally without affecting HMC787AG functionality or specification compliance.
What is the thermal management requirement for the HMC787AG?
The HMC787AG's exposed pad (EPAD) must be soldered to a thermally robust RF ground plane using ≥90% solder coverage and ≥6 thermal vias (0.3 mm diameter, spaced ≤1 mm apart) connecting to inner/ground layers. Per datasheet, junction-to-air thermal resistance (θJA) is 120°C/W-exceeding 1044 mW continuous dissipation or operating above +85°C ambient without adequate heatsinking risks thermal runaway. Proper EPAD implementation is mandatory for achieving rated −40°C to +85°C performance in the HMC787AG.
How does the HMC787AG perform in upconverter vs. downconverter configurations?
The HMC787AG delivers symmetrical RF-to-IF and IF-to-RF conversion performance: conversion loss remains 9 dB typical, IP3 holds at 24 dBm, and isolation metrics (e.g., 43 dB LO-to-IF) are identical in both modes. Its double-balanced topology and fixed 17 dBm LO drive enable seamless reuse in transceiver designs-eliminating the need for separate up/down mixers. Verified upconverter data (Figures 30–41) confirms no degradation in linearity or gain flatness when used for RF synthesis, making the HMC787AG a true bidirectional signal translator.
HMC787AG Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- -
- Package/Case:
- Die
- Packaging:
- Case
- Product Status:
- Active
- RF Type:
- ISM, UWB
- Frequency:
- 3GHz ~ 10GHz
- Number of Mixers:
- 1
- Gain:
- -
- Noise Figure:
- 10dB
- Secondary Attributes:
- Down Converter
- Current - Supply:
- -
- Voltage - Supply:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- Die
HMC787AG FAQ
1.How can I place an order for HMC787AG through Aetrix?
Please submit a Request for Quotation (RFQ) for HMC787AG 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 HMC787AG reliable?
The price and inventory of HMC787AG are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for HMC787AG is usually 5 days.
3.What payment methods are accepted for HMC787AG?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for HMC787AG transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for HMC787AG?
HMC787AG orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your HMC787AG 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 HMC787AG?
For technical support, including HMC787AG datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your HMC787AG requirements.
6.How does Aetrix verify that HMC787AG is sourced from the original manufacturer or authorized distributors?
All HMC787AG 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 HMC787AG meets industry standards.
7.What is the process for return or replacement of HMC787AG?
All HMC787AG units undergo pre-shipment inspection (PSI). If there is an issue with HMC787AG, 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 HMC787AG part is unused and in its original packaging.
Return procedure for HMC787AG:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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