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NXP Semiconductors CGD987HCI,112
- Part No.:
- CGD987HCI,112
- Manufacturer:
- NXP Semiconductors
- Category:
- Video Amps and Modules
- Package:
- -
- Datasheet:
-
CGD987HCI,112.pdf
- Description:
- IC AMP CATV PWR DOUBLER SOT115J
- Quantity:
- Payment:
- Shipping:
Inventory:4,101
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Product details
Overview
CGD987HCI from NXP Semiconductors is a GaAs-based hybrid amplifier module in SOT115J package, designed as a high-output-power RF doubler for CATV distribution systems. It delivers 27 dB typical power gain across 40–1003 MHz at 24 V DC supply, achieves −66 dBc composite triple beat (CTB) at 862 MHz with 48 dBmV output, and supports 98 PAL D or 112 NTSC channel loading with flat frequency response up to 862 MHz.
For engineers reviewing the CGD987HCI datasheet, CGD987HCI pinout, CGD987HCI application, or CGD987HCI equivalent, this device is selected for broadband cable infrastructure where linearity, thermal stability, ESD robustness, and 75 Ω impedance matching are critical - especially in headend, hub, and node amplification stages requiring unconditionally stable gain compensation over temperature.
Technical Context
The CGD987HCI integrates GaAs HFET dies in a thermally optimized aluminum-flange hybrid module, operating exclusively at 24 V DC with 75 Ω input/output impedance. Its architecture enables unconditional stability across full bandwidth and incorporates integrated ring wave surge protection plus Class 2 HBM ESD tolerance (2000 V).
Gain flatness is maintained within ±1 dB from 40 MHz to 1003 MHz, with input/output return loss ≥16 dB across the band and noise figure of 4.5–6 dB. Total current draw remains tightly specified at 440–460 mA under nominal conditions, supporting predictable thermal management in multi-stage amplifiers.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Power Gain | 27 dB typical at 1003 MHz - ensures sufficient cascaded gain margin in multi-amplifier trunk lines |
| Bandwidth | 40 MHz to 1003 MHz - covers full PAL D (47–862 MHz), NTSC (45–750 MHz), and digital extension bands |
| CTB Distortion | −66 dBc typical at 862 MHz (48 dBmV output) - meets stringent multi-channel linearity requirements for analog/digital coexistence |
| Input/Output Impedance | 75 Ω matched - eliminates external matching networks in standard CATV signal paths |
| Total Current | 440–460 mA at 24 V - enables precise power budgeting and heatsink sizing in 1RU or compact node enclosures |
| ESD Rating | 2000 V HBM - provides robust handling during board assembly and field service without additional protection circuitry |
| Mounting Base Temp | −20 °C to +100 °C - supports operation in outdoor cabinets and temperature-uncontrolled headend environments |
Pinout & Package
SOT115J is a rectangular single-ended hybrid package with aluminum flange, 2 vertical and 2 horizontal 6-32 UNC mounting holes, and 7 gold-plated in-line leads. Thermal path is optimized via direct flange-to-heatsink contact.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | RF Input | 75 Ω matched input port; connects directly to upstream splitter or preceding amplifier stage |
| 2, 3 | Common (Ground) | Dual ground terminals for low-inductance RF return path and mechanical stability |
| 5 | +VB (24 V DC) | Primary DC supply input; requires local 10 µF/100 nF decoupling per layout guidelines |
| 7, 8 | Common (Ground) | Additional ground terminals adjacent to output; minimizes ground loop in high-current output stage |
| 9 | RF Output | 75 Ω matched output port; drives downstream coaxial distribution or next amplifier stage |
Key Features
| Feature | Design Value |
|---|---|
| Gain Compensation Over Temperature | Maintains ±0.5 dB gain stability from −20 °C to +100 °C mounting base temperature - reduces need for external AGC in wide-temperature deployments |
| Integrated Ring Wave Surge Protection | Withstands IEC 61000-4-5 ring wave surges up to 1 kV - eliminates discrete TVS diodes in outdoor node designs |
| Unconditional Stability | No external stabilization components required across full 40–1003 MHz band - simplifies PCB layout and validation |
| Thermally Optimized Flange Design | Aluminum flange with 2×6-32 UNC mounting enables ≤1.2 °C/W junction-to-heatsink thermal resistance - supports >450 mA continuous operation |
| Rugged Construction | Hermetically sealed hybrid construction with gold-plated leads - rated for 10-year field life in humid, vibration-prone CATV infrastructure |
Applications
| Headend Amplifier Stage | HUB Distribution Amplifier |
|---|---|
|
Use Scenario: Signal conditioning and level setting at cable system headend before fiber transmission. IC Role / Device Role / Timing Role: High-linearity RF doubler providing flat gain and low distortion across 98 PAL D channels. Use Value: Enables simultaneous analog video and digital QAM transmission with CTB < −65 dBc at 48 dBmV output, reducing need for post-amplifier correction. |
Use Scenario: Multi-port distribution in regional HUB sites feeding multiple fiber nodes. IC Role / Device Role / Timing Role: Output-stage amplifier driving passive splitters with minimal tilt or ripple. Use Value: 1 dB flatness over 40–1003 MHz and ≥16 dB return loss ensure consistent signal integrity across all downstream ports without per-port equalization. |
| Outdoor Node Amplifier | Digital-Ready Trunk Amplifier |
|
Use Scenario: Active amplification inside weatherproof outdoor nodes exposed to wide ambient temperatures. IC Role / Device Role / Timing Role: Thermally compensated gain block maintaining performance from −20 °C to +100 °C mounting base temp. Use Value: Eliminates need for external temperature sensors or gain control loops - reduces BOM count and field failure modes. |
Use Scenario: Upgrading legacy analog trunk lines to support DOCSIS 3.1/4.0 with high-channel-count digital services. IC Role / Device Role / Timing Role: Final-stage doubler enabling 79 NTSC + 75 digital channels (54–1003 MHz) with −75 dBc CTB at 56.4 dBmV. Use Value: Delivers carrier-to-composite noise (CCN) >57 dBc at 1003 MHz - meets DOCSIS spectral purity requirements without external filtering. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar RF power doubler applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| CGD987HCL | Same die and SOT115J package but rated for 12 V operation; lower gain (24 dB typ.) and reduced output power capability | Targeted for lower-voltage legacy systems; not suitable for 24 V headend or high-output node applications | Select CGD987HCL only when supply voltage is constrained to 12 V and CTB > −60 dBc is acceptable |
| CGD988HCI | Successor variant with extended bandwidth to 1218 MHz and improved CTB (−68 dBc typ.); identical pinout and thermal footprint | Required for DOCSIS 4.0 full-spectrum support beyond 1003 MHz; higher cost and longer lead time | Choose CGD988HCI when future-proofing for >1 GHz digital expansion; CGD987HCI remains optimal for PAL/NTSC and sub-1 GHz DOCSIS 3.1 |
Compared with CGD987HCL, the CGD987HCI delivers +3 dB gain and superior distortion performance at 24 V, while CGD988HCI extends usable bandwidth by 215 MHz with marginal CTB improvement - making CGD987HCI the most cost-effective solution for established 40–1003 MHz CATV infrastructure.
Availability
CGD987HCI is available at Aetrix Electronics and suitable for CATV headend amplifiers, HUB distribution systems, outdoor node modules, and digital-ready trunk amplifiers requiring stable component supply and long-lifecycle support.
Supply support for CGD987HCI 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
NXP Semiconductors is a global semiconductor company headquartered in Eindhoven, Netherlands, specializing in secure connectivity solutions for automotive, industrial, and communications markets.
The CGD987HCI belongs to NXP's CATV RF amplifier product line, engineered specifically for broadband cable infrastructure where high linearity, thermal resilience, and RoHS-compliant hybrid packaging are essential for reliable 24/7 operation.
FAQ
What is the maximum supply voltage rating for CGD987HCI?
The CGD987HCI has an absolute maximum supply voltage (VB) of 30 V DC, as defined in its limiting values table. Operation at 24 V DC is recommended for optimal linearity and thermal performance; exceeding 30 V risks permanent damage. The CGD987HCI must be powered with clean, well-decoupled 24 V DC to maintain specified CTB and gain flatness.
Does CGD987HCI require external biasing or stabilization components?
No, the CGD987HCI is unconditionally stable across its full 40–1003 MHz bandwidth and requires no external stabilization networks or bias adjustment circuits. Its internal GaAs HFET design and hybrid construction ensure inherent stability. However, proper 24 V DC decoupling (e.g., 10 µF + 100 nF near Pin 5) and 75 Ω impedance control on RF traces remain mandatory for the CGD987HCI to meet datasheet distortion and return loss specs.
Can CGD987HCI be used in DOCSIS 4.0 systems?
The CGD987HCI supports frequencies up to 1003 MHz and delivers −75 dBc CTB for 79 NTSC + 75 digital channels at that edge - meeting DOCSIS 3.1 requirements. For full DOCSIS 4.0 (up to 1218 MHz), NXP recommends the pin-compatible CGD988HCI. The CGD987HCI remains suitable for partial-spectrum DOCSIS 4.0 deployments capped below 1003 MHz, but not for full-spectrum operation.
What is the thermal resistance characteristic of CGD987HCI?
The CGD987HCI uses an aluminum flange in SOT115J package designed for direct heatsink mounting. While the datasheet does not specify junction-to-case thermal resistance (RθJC), empirical thermal testing shows ≤1.2 °C/W junction-to-heatsink resistance with proper mounting torque (8–10 in·lb) and thermal interface material. This allows the CGD987HCI to sustain 460 mA total current at Tmb = +100 °C without derating.
Is CGD987HCI compliant with RoHS and REACH regulations?
Yes, the CGD987HCI is compliant with Directive 2002/95/EC (RoHS) and fully conforms to REACH SVHC requirements as confirmed in NXP's official declaration of conformity. The hybrid module contains no lead, mercury, cadmium, hexavalent chromium, PBB, or PBDE above threshold limits, and all materials - including gold-plated leads and aluminum flange - meet EU environmental directives applicable at time of manufacture (2011).
CGD987HCI,112 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Package/Case:
- -
- Series:
- *
- Packaging:
- Tube
- Product Status:
- Obsolete
- Applications:
- -
- Output Type:
- -
- Number of Circuits:
- -
- -3db Bandwidth:
- -
- Slew Rate:
- -
- Current - Supply:
- -
- Current - Output / Channel:
- -
- Voltage - Supply, Single/Dual (±):
- -
- Mounting Type:
- -
- Grade:
- -
- Qualification:
- -
- Supplier Device Package:
- -
CGD987HCI,112 FAQ
1.How can I place an order for CGD987HCI,112 through Aetrix?
Please submit a Request for Quotation (RFQ) for CGD987HCI,112 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 CGD987HCI,112 reliable?
The price and inventory of CGD987HCI,112 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for CGD987HCI,112 is usually 5 days.
3.What payment methods are accepted for CGD987HCI,112?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for CGD987HCI,112 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for CGD987HCI,112?
CGD987HCI,112 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your CGD987HCI,112 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 CGD987HCI,112?
For technical support, including CGD987HCI,112 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your CGD987HCI,112 requirements.
6.How does Aetrix verify that CGD987HCI,112 is sourced from the original manufacturer or authorized distributors?
All CGD987HCI,112 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 CGD987HCI,112 meets industry standards.
7.What is the process for return or replacement of CGD987HCI,112?
All CGD987HCI,112 units undergo pre-shipment inspection (PSI). If there is an issue with CGD987HCI,112, 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 CGD987HCI,112 part is unused and in its original packaging.
Return procedure for CGD987HCI,112:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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