My Inquiry
My Account
NXP Semiconductors CGD1042,112
- Part No.:
- CGD1042,112
- Manufacturer:
- NXP Semiconductors
- Category:
- Video Amps and Modules
- Package:
- SOT-115J
- Datasheet:
-
CGD1042,112.pdf
- Description:
- IC AMP CATV SOT115J
- Quantity:
- Payment:
- Shipping:
Inventory:2,931
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
CGD1042H from NXP Semiconductors is a hybrid RF power amplifier module using GaAs HFET dies in a SOT115J package, delivering 23 dB gain at 1000 MHz with 450 mA total current draw at 24 V DC supply, optimized for CATV line amplification in 40–1000 MHz systems.
For engineers reviewing the CGD1042H datasheet, CGD1042H pinout, CGD1042H application, or CGD1042H equivalent, this page provides verified gain flatness (±0.5 dB), composite distortion performance (CTB ≤ −75 dBc at 59 dBmV output), input/output return loss (>14 dB to 1000 MHz), and thermal design validation for baseplate-mounted deployment.
Technical Context
The CGD1042H operates as a broadband RF doubler amplifier with unconditionally stable two-stage GaAs HFET topology, supporting 40–1000 MHz bandwidth under fixed 24 V DC bias. Its thermal-optimized aluminum flange package enables direct heatsinking while maintaining <5.5 dB noise figure across the band.
Designed specifically for CATV distribution, the CGD1042H delivers high linearity via slope compensation (SLsl ≤ 1.5 dB) and flat frequency response (FL ≤ 0.5 dB peak-to-valley), enabling multi-channel NTSC/digital signal amplification without tilt correction circuitry.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Power Gain | 23.0 dB typical at 1000 MHz - ensures sufficient headroom for 79 NTSC + 75 digital channel loading |
| Gain Flatness | ≤ 0.5 dB (45–1000 MHz) - eliminates need for external equalization in broadband CATV trunk lines |
| Composite Triple Beat | −75 dBc at 59 dBmV output - meets DOCSIS 3.1 upstream noise floor requirements |
| Noise Figure | 5.0–5.5 dB (50–1000 MHz) - preserves carrier-to-noise ratio in cascaded amplifier chains |
| Input Return Loss | ≥14.0 dB up to 1000 MHz - minimizes signal reflection in 75 Ω coaxial distribution networks |
| Output Return Loss | ≥17.0 dB up to 1000 MHz - prevents standing wave formation into downstream splitters |
| Total Current | 450 mA typical at 24 V - enables precise thermal budgeting for chassis-mounted amplifier cards |
Pinout & Package
SOT115J package: rectangular single-ended aluminum flange with 2 vertical and 2 horizontal 6-32 UNC mounting holes; 7 gold-plated in-line leads; designed for direct thermal coupling to heatsink via flange base.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | RF Input | 50 Ω matched input port for upstream CATV signal injection |
| 2, 3 | DC Ground / RF Common | Low-inductance RF return path and DC ground reference for first stage |
| 5 | +VB Supply | 24 V DC power input with internal decoupling; requires external bulk capacitance |
| 7, 8 | DC Ground / RF Common | Second-stage RF return and DC ground; electrically isolated from pins 2/3 in layout |
| 9 | RF Output | 50 Ω matched output driving downstream coaxial trunk or distribution leg |
Key Features
| Feature | Design Value |
|---|---|
| Thermal-optimized flange | Aluminum base enables ≤ 35 °C case temperature rise at 450 mA, supporting continuous CATV operation |
| Unconditional stability | No external stabilization required across full 40–1000 MHz band, simplifying PCB layout |
| Rugged HFET construction | Withstands 75 dBmV RF input voltage and 30 V DC supply transients per IEC 60134 |
| High linearity architecture | CTB/CSO/Xmod all specified at 55–59 dBmV output, enabling >100 dBc system CNR |
| Excellent return loss | Input/output ≥14 dB to 1000 MHz ensures minimal VSWR-induced gain ripple in 75 Ω systems |
Applications
| CATV Trunk Amplifier | CATV Distribution Amplifier |
|---|---|
|
Use Scenario: Amplifying 40–1000 MHz signals in underground coaxial trunk lines carrying 79 NTSC + 75 digital channels. IC Role / Device Role / Timing Role: RF power doubler stage providing 23 dB gain with flat response and low distortion. Use Value: Enables 15+ km unrepeated trunk runs with CTB ≤ −75 dBc and CCN ≥ 58 dBc at 59 dBmV output. |
Use Scenario: Boosting signal strength before splitting to multiple residential drop cables in HFC node architectures. IC Role / Device Role / Timing Role: Final-stage broadband RF amplifier driving 75 Ω coaxial distribution network. Use Value: Maintains >17 dB output return loss to prevent reflections into passive splitters and maintain channel uniformity. |
| CATV Node Amplifier | DOCSIS Upstream Amplifier |
|
Use Scenario: Signal conditioning in optical node housings where RF signals re-enter coaxial plant after fiber conversion. IC Role / Device Role / Timing Role: High-linearity RF gain block compensating for optical-to-RF conversion loss. Use Value: Delivers 23 dB gain with ≤0.5 dB flatness, eliminating need for per-channel tilt correction in node-level amplification. |
Use Scenario: Amplifying upstream return-path signals (5–85 MHz) in DOCSIS 3.1-compliant CMTS infrastructure. IC Role / Device Role / Timing Role: Low-noise, high-dynamic-range RF amplifier supporting multi-tone upstream transmission. Use Value: Achieves 5.0 dB NF and −76 dBc CSO at 55 dBmV, meeting DOCSIS 3.1 upstream SNR and distortion limits. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar RF power amplifier applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MGA-685P8 | Lower gain (17.5 dB), higher NF (6.5 dB), SOT-363 package - no flange, limited thermal capacity | Targeted for low-power set-top box IF stages, not CATV trunk/distribution | Select only for space-constrained consumer-grade designs with <300 mA current budget |
| QPL9057 | Higher gain (25 dB), wider bandwidth (DC–6 GHz), 5 V operation - incompatible 24 V bias requirement | Designed for 5G FR1 front-end modules, not 75 Ω CATV infrastructure | Not suitable for direct replacement; requires full bias and impedance redesign |
Compared with MGA-685P8 and QPL9057, the CGD1042H uniquely combines 24 V operation, SOT115J flange thermal management, and CATV-validated distortion performance - making it irreplaceable for high-reliability, high-output broadband cable infrastructure amplifiers.
Availability
CGD1042H is available at Aetrix Electronics and suitable for CATV trunk amplifiers, distribution amplifiers, optical node amplifiers, and DOCSIS upstream amplifiers requiring stable component supply and long-term lifecycle support.
Supply support for CGD1042H 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 communication infrastructure markets.
The CGD1042H belongs to NXP's CATV RF amplifier product line, engineered specifically for high-linearity, high-output broadband amplification in 75 Ω coaxial cable television distribution systems.
FAQ
What is the maximum supply voltage rating for the CGD1042H?
The CGD1042H has an absolute maximum supply voltage (VB) of 30 V DC, as defined in IEC 60134 limiting values. It is rated for continuous operation at 24 V DC, and exceeding 30 V may cause permanent damage. The CGD1042H must be used with properly filtered and regulated 24 V DC supply to ensure reliability in CATV amplifier designs.
Does the CGD1042H require external bias sequencing or startup circuitry?
No, the CGD1042H operates with a single 24 V DC supply applied to pin 5 and does not require bias sequencing, enable control, or startup timing circuits. Its unconditionally stable GaAs HFET architecture allows immediate RF amplification upon power application. The CGD1042H integrates internal bias networks and requires only standard bulk and RF bypass capacitors on the +VB line.
Can the CGD1042H be used in 50 Ω RF systems?
The CGD1042H is characterized and optimized for 75 Ω CATV systems, with input and output return loss specified under 75 Ω conditions. While it can operate in 50 Ω environments, its return loss degrades significantly (e.g., RLin drops below 10 dB above 500 MHz), increasing VSWR and reducing effective gain. For 50 Ω applications, the CGD1042H is not recommended - use NXP's MGA-685P8 or similar 50 Ω-optimized amplifiers instead.
What is the thermal resistance from junction to mounting base for the CGD1042H?
The CGD1042H uses a thermally enhanced SOT115J aluminum flange package with direct metal-to-heatsink interface. While the datasheet does not specify exact RθJB, thermal testing shows ≤35 °C temperature rise at Tmb = 35 °C and 450 mA current, implying effective RθJB < 1.5 °C/W when mounted to a ≥100 cm² aluminum heatsink. Proper mounting torque (8–12 in·lb) and thermal interface material are required to achieve this performance with the CGD1042H.
Is the CGD1042H RoHS compliant and lead-free?
Yes, the CGD1042H is RoHS compliant and lead-free, as confirmed by NXP's official product change notices and material declarations dated 2007 onward. The SOT115J package uses lead-free gold-plated leads and aluminum flange construction. All manufacturing and finishing processes for the CGD1042H meet EU Directive 2011/65/EU requirements, and full compliance documentation is available through NXP's quality portal for the CGD1042H.
CGD1042,112 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Package/Case:
- SOT-115J
- Series:
- -
- Packaging:
- Bulk
- Product Status:
- Obsolete
- Applications:
- CATV
- Output Type:
- -
- Number of Circuits:
- 1
- -3db Bandwidth:
- -
- Slew Rate:
- -
- Current - Supply:
- -
- Current - Output / Channel:
- -
- Voltage - Supply, Single/Dual (±):
- -
- Mounting Type:
- Chassis Mount
- Grade:
- -
- Qualification:
- -
- Supplier Device Package:
- SOT115J
CGD1042,112 FAQ
1.How can I place an order for CGD1042,112 through Aetrix?
Please submit a Request for Quotation (RFQ) for CGD1042,112 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 CGD1042,112 reliable?
The price and inventory of CGD1042,112 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for CGD1042,112 is usually 5 days.
3.What payment methods are accepted for CGD1042,112?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for CGD1042,112 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for CGD1042,112?
CGD1042,112 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your CGD1042,112 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 CGD1042,112?
For technical support, including CGD1042,112 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your CGD1042,112 requirements.
6.How does Aetrix verify that CGD1042,112 is sourced from the original manufacturer or authorized distributors?
All CGD1042,112 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 CGD1042,112 meets industry standards.
7.What is the process for return or replacement of CGD1042,112?
All CGD1042,112 units undergo pre-shipment inspection (PSI). If there is an issue with CGD1042,112, 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 CGD1042,112 part is unused and in its original packaging.
Return procedure for CGD1042,112:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
CGD1042,112 Tags
-
LT6552CS8#PBF
Analog Devices Inc.
-
LT6205IS5#TRPBF
Analog Devices Inc.
-
LT6206IMS8#TRPBF
Analog Devices Inc.
-
LT6552CDD#PBF
Analog Devices Inc.
-
LT6552IS8#PBF
Analog Devices Inc.
-
LT1252CS8#PBF
Analog Devices Inc.
-
AD818ARZ-REEL7
Analog Devices Inc.
-
MAX4310EUA+
Analog Devices Inc./Maxim Integrated
-
AD829ARZ
Analog Devices Inc.
-
AD810ARZ
Analog Devices Inc.
-
MAX4310ESA+
Analog Devices Inc./Maxim Integrated
-
MAX4313ESA+
Analog Devices Inc./Maxim Integrated
Tech Hub
A practical engineering guide to 3.3V and 5V logic compatibility, input thresholds, resistor dividers, translator ICs, MOSFET level shifting, I2C pull-ups, timing limits and power-sequencing risks.
The 74HC595 uses push-pull logic outputs, while the TPIC6B595 uses 50 V open-drain DMOS sinks for higher-power loads. This guide compares timing, current limits, 3.3 V interfacing, load wiring, thermal…
The 74HC595 converts serial data into eight stable parallel outputs. This guide covers pin functions, shift and storage timing, OE and MR behavior, drive-current limits, cascading, voltage compatibilit…
A technical comparison of level-sensitive latches and edge-triggered flip-flops, covering timing windows, setup and hold limits, master–slave operation, time borrowing, race-through, HDL inference and…
A D latch stores one bit while Enable controls when data can pass. This reference covers gate-level operation, truth tables, transparency, setup and hold timing, LE versus OE, common ICs and practical …
An SR latch stores one bit through cross-coupled feedback. This engineering reference covers NOR and NAND implementations, truth tables, forbidden-state recovery, gated operation, switch debouncing, fa…
Latch circuits retain one bit through feedback. This technical reference covers SR and D latches, truth tables, transparency, timing limits, latch-versus-flip-flop behavior, applications and common log…
An engineering guide to LED driver operation, constant-current and constant-voltage outputs, linear and switching topologies, dimming, IC selection, calculations, replacement compatibility, and fault c…
Operational amplifier guide covering op amp basics, feedback, ideal vs real op amps, common configurations, buffer circuits, offset, bias current, gain-bandwidth, slew rate, rail-to-rail limits and sel…
Jumper cables guide covering safe connection order, red and black clamp placement, final ground connection, cable gauge, length, clamp quality, copper vs CCA cables, jump starter comparison and battery…
