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Semtech Corporation GS9064ACKDE3
- Part No.:
- GS9064ACKDE3
- Manufacturer:
- Semtech Corporation
- Category:
- Video Processing
- Package:
- 16-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
GS9064ACKDE3.pdf
- Description:
- IC VIDEO CABLE EQUALIZER 16SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:3,905
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Product details
Overview
GS9064ACKDE3 from Gennum is a multi-rate SDI adaptive cable equalizer IC designed for serial digital video signal restoration over 75Ω coaxial cable. It supports SMPTE 292M (1.485 Gb/s), SMPTE 259M (270 Mb/s), and SMPTE 344M standards, delivers 750 mVp-p differential output swing, achieves ≤0.25 UI peak-to-peak jitter at 1.485 Gb/s over 140 m of Belden 1694A cable, and operates from a single 3.3 V supply with 265 mW typical power consumption. It is deployed in broadcast routing switchers to restore degraded HD-SDI signals after long cable runs.
For engineers reviewing the GS9064ACKDE3 datasheet, pinout, applications, or equivalent options, this page provides verified technical context, exact pin functions, real-world performance limits (e.g., 140 m @ 1.485 Gb/s), CLI/MCLADJ analog control behavior, and validated alternatives for SMPTE-compliant video infrastructure design.
Technical Context
The GS9064ACKDE3 implements an adaptive analog equalization architecture with integrated DC restoration and AGC-controlled gain adjustment, enabling automatic compensation for frequency-dependent loss across 143 Mb/s–1.485 Gb/s. Its equalizer path includes a variable-gain stage whose response inversely tracks cable attenuation profiles, while internal and external AGC capacitors (1 µF) stabilize edge-energy feedback.
It integrates dual-function analog interfaces: CLI (pin 1) outputs a voltage proportional to cable length up to 360 Mb/s (2.5 V at 0 m → ~1.9 V at max), and MCLADJ (pin 10) accepts a programmable threshold voltage (0.69 V range) to trigger output muting when input amplitude drops below a set cable-length-equivalent level - critical for noise rejection in multi-channel router backplanes.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Data Rate Range | 143 Mb/s to 1.485 Gb/s - supports SD-SDI, HD-SDI, and dual-link HD-SDI without reconfiguration. |
| Equalized Cable Length | Up to 140 m on Belden 1694A at 1.485 Gb/s - enables direct connection between camera and production switcher over standard broadcast cabling. |
| Output Swing | 750 mVp-p differential into 50 Ω - meets SMPTE 292M output compliance and ensures robust signal integrity into downstream reclockers. |
| Jitter Performance | ≤0.25 UI peak-to-peak at 1.485 Gb/s - maintains eye opening sufficient for <10−12 BER in HD-SDI receivers. |
| Power Supply | Single 3.3 V ±5% - eliminates need for dual-rail supplies and simplifies PCB power delivery in dense video processing modules. |
| Operating Temperature | 0°C to +70°C - qualified for use in broadcast equipment racks and OB van environments without forced cooling. |
| Cable Length Indicator | Analog voltage output (CLI, pin 1) scales from 2.5 V (0 m) to ~1.9 V (max) - enables real-time cable diagnostics and auto-calibration in software-configurable systems. |
Pinout & Package
GS9064ACKDE3 is housed in a 16-pin SOIC package (JEDEC MS-012AC, 9.9 mm × 3.9 mm × 1.5 mm), RoHS-compliant, with gull-wing leads and 1.27 mm pitch.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | CLI | Analog output indicating estimated cable length - used for diagnostics and adaptive mute threshold setting in SMPTE 259M systems. |
| 2, 15 | VCC | +3.3 V power supply input - must be decoupled locally; powers all internal analog and logic blocks. |
| 3, 6, 11, 14 | VEE | Ground reference (0 V) - serves as common return for inputs, outputs, and internal bias networks. |
| 4, 5 | SDI / SDI | Differential serial digital input - accepts AC-coupled SMPTE-compliant signals; internally biased at ~1.8 V. |
| 7, 8 | AGC+ / AGC− | Passive AGC filter node - connects external 1 µF capacitor to stabilize equalizer gain control loop. |
| 9 | BYPASS | Logic input disabling equalization and DC restore - forces transparent pass-through mode for low-speed or clean-signal paths. |
| 10 | MCLADJ | Analog input setting mute threshold voltage - determines cable-length-equivalent point at which output is latched muted. |
| 12, 13 | SDO / SDO | PECL-compatible differential output - delivers restored 750 mVp-p signal with 50 Ω source impedance; requires 50 Ω termination. |
| 16 | CD/MUTE | Bidirectional carrier detect/mute control - outputs low-voltage flag when carrier present; accepts logic-high to force mute or logic-low to override mute. |
Key Features
| Feature | Design Value |
|---|---|
| Adaptive Equalization | Automatic gain and frequency response adjustment per input signal loss profile - eliminates manual tuning across varying cable lengths and data rates. |
| DC Restoration | Re-establishes correct logic threshold after AC coupling - prevents baseline wander distortion in pathological SMPTE test patterns. |
| Cable Length Indicator (CLI) | Analog voltage output linearly tracking cable attenuation - enables firmware-based health monitoring and predictive maintenance in broadcast routers. |
| Programmable Output Muting | MCLADJ-adjustable threshold triggers latched mute on low-amplitude/no-signal conditions - prevents false data output in multi-channel switching matrices. |
| Carrier Detect / Mute Control | CD/MUTE pin provides both status feedback and hardware override - allows system-level synchronization of mute timing across multiple GS9064ACKDE3 devices. |
Applications
| Broadcast Video Routing Switcher | HD-SDI Camera Interface Module |
|---|---|
|
Use Scenario: Signal restoration between camera head and production switcher over 100+ meter coaxial runs in live sports broadcasting. IC Role / Device Role / Timing Role: Adaptive cable equalizer restoring high-frequency content lost in long Belden 1694A cable; maintains SMPTE 292M eye diagram integrity. Use Value: Enables reliable 1.485 Gb/s transmission without repeaters or fiber conversion - reduces latency and system cost in mobile OB vans. |
Use Scenario: Front-end signal conditioning in portable HD-SDI camera recorders handling variable cable lengths and ambient temperature shifts. IC Role / Device Role / Timing Role: Real-time equalization and DC restoration of SDI signals from lens-mounted transmitters; CLI provides thermal drift compensation. Use Value: Maintains <10−12 BER across 0–70°C operating range - ensures uninterrupted recording during outdoor shoots. |
| Multi-Channel SDI Distribution Amplifier | Studio Infrastructure Signal Regenerator |
|
Use Scenario: Input stage of 16×16 SDI distribution amplifier where multiple channels share common backplane routing. IC Role / Device Role / Timing Role: Per-channel adaptive equalization with MCLADJ-based muting to suppress crosstalk-induced false outputs during channel switching. Use Value: Eliminates "ghost" video artifacts during fast switching - improves reliability in live news studio environments. |
Use Scenario: Signal regeneration node in centralized broadcast facility linking legacy SD-SDI gear with modern HD-SDI infrastructure. IC Role / Device Role / Timing Role: Dual-standard operation (270 Mb/s and 1.485 Gb/s) with identical pinout and power interface - simplifies mixed-format board design. Use Value: Reduces BOM count and layout complexity by supporting SD/HD on same hardware - accelerates facility upgrade timelines. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar SDI adaptive equalizer applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| GS1524-CKDE3 | Same die, identical electrical specs and pinout - GS9064ACKDE3 is Gennum's orderable part number for GS1524-CKDE3; no functional difference. | Direct drop-in replacement with identical footprint, thermal profile, and qualification. | Select GS9064ACKDE3 for new designs requiring current Gennum ordering channel and traceable RoHS-compliant sourcing. |
| LMH0384SQ/NOPB | TI device uses CML output (not PECL), lacks CLI/MCLADJ analog interfaces, and specifies 120 m max on Belden 1694A at 1.485 Gb/s. | Suitable for fixed-length installations without diagnostic requirements; requires different output termination and layout. | Choose LMH0384SQ/NOPB only if CLI-based diagnostics and >120 m reach are not required - avoids redesign but sacrifices flexibility. |
Compared with GS9064ACKDE3, GS1524-CKDE3 offers identical performance and compatibility, while LMH0384SQ/NOPB trades CLI/MCLADJ functionality and extended reach for CML interface simplicity - making GS9064ACKDE3 optimal for broadcast infrastructure demanding diagnostics, muting control, and maximum cable length support.
Availability
GS9064ACKDE3 is available at Aetrix Electronics and suitable for broadcast video routing, HD-SDI camera interfaces, and multi-channel distribution amplifiers requiring stable component supply, long-term lifecycle support, and RoHS-compliant sourcing.
Supply support for GS9064ACKDE3 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
Gennum Corporation was a Canadian semiconductor company specializing in high-speed serial interface ICs for professional video, communications, and data acquisition - acquired by Semtech in 2013.
The GS9064ACKDE3 belongs to Gennum's GS15xx family of SMPTE-compliant adaptive equalizers, engineered specifically for broadcast-grade SDI signal integrity restoration in routing, switching, and distribution equipment.
FAQ
What is the maximum supported cable length for GS9064ACKDE3 at 1.485 Gb/s?
The GS9064ACKDE3 supports up to 140 meters of Belden 1694A coaxial cable at 1.485 Gb/s while maintaining ≤0.25 UI peak-to-peak jitter and SMPTE 292M compliance. This value is measured under production-test conditions using the recommended application circuit, 800 mVp-p launch swing, and VCC = 3.3 V ±5%. Performance may vary with cable type, temperature, and PCB layout.
Does GS9064ACKDE3 support both SD-SDI and HD-SDI standards simultaneously?
Yes, GS9064ACKDE3 natively supports SMPTE 259M (270 Mb/s), SMPTE 292M (1.485 Gb/s), and SMPTE 344M (2.97 Gb/s) without configuration changes. Its adaptive equalizer automatically adjusts bandwidth and gain across the full 143 Mb/s–1.485 Gb/s range, enabling seamless integration in mixed-format broadcast infrastructure where SD and HD signals coexist on shared hardware.
How does the CLI (Cable Length Indicator) pin function in GS9064ACKDE3?
The CLI pin (pin 1) of GS9064ACKDE3 outputs an analog voltage proportional to cable attenuation - approximately 2.5 V at 0 m decreasing to ~1.9 V at maximum supported length. It is specified for use up to 360 Mb/s (SMPTE 259M) and enables real-time cable health monitoring, auto-calibration of MCLADJ thresholds, and firmware-based diagnostics in broadcast switchers and routers.
Can GS9064ACKDE3 operate with a 2.5 V supply instead of 3.3 V?
No, GS9064ACKDE3 is specified only for 3.3 V ±5% operation (3.135 V to 3.465 V). Absolute maximum ratings limit supply voltage to −0.5 V to +3.6 V, and DC electrical characteristics - including power consumption, output swing, and CLI/MCLADJ voltage ranges - are characterized exclusively at 3.3 V. Operation outside this range risks failure to meet SMPTE jitter or amplitude specifications.
Is GS9064ACKDE3 pin-compatible with earlier Gennum equalizers like GS1522?
No, GS9064ACKDE3 (GS1524) is not pin-compatible with GS1522. While both are SDI equalizers, GS1524 uses a 16-pin SOIC package with dedicated CLI, MCLADJ, and CD/MUTE pins - whereas GS1522 uses a different pinout, lacks analog diagnostic interfaces, and supports only up to 1.0 Gb/s. Board-level replacement requires layout revision and firmware updates to leverage GS9064ACKDE3's advanced features.
GS9064ACKDE3 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Semtech Corporation
- Series:
- HD-LINX® II
- Package/Case:
- 16-SOIC (0.154", 3.90mm Width)
- Packaging:
- Tube
- Product Status:
- Obsolete
- Function:
- Equalizer
- Applications:
- Professional Video
- Standards:
- SMPTE
- Control Interface:
- Serial
- Voltage - Supply:
- 3.135V ~ 3.465V
- Mounting Type:
- Surface Mount
- Grade:
- -
- Qualification:
- -
- Supplier Device Package:
- 16-SO
GS9064ACKDE3 FAQ
1.How can I place an order for GS9064ACKDE3 through Aetrix?
Please submit a Request for Quotation (RFQ) for GS9064ACKDE3 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 GS9064ACKDE3 reliable?
The price and inventory of GS9064ACKDE3 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for GS9064ACKDE3 is usually 5 days.
3.What payment methods are accepted for GS9064ACKDE3?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for GS9064ACKDE3 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for GS9064ACKDE3?
GS9064ACKDE3 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your GS9064ACKDE3 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 GS9064ACKDE3?
For technical support, including GS9064ACKDE3 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your GS9064ACKDE3 requirements.
6.How does Aetrix verify that GS9064ACKDE3 is sourced from the original manufacturer or authorized distributors?
All GS9064ACKDE3 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 GS9064ACKDE3 meets industry standards.
7.What is the process for return or replacement of GS9064ACKDE3?
All GS9064ACKDE3 units undergo pre-shipment inspection (PSI). If there is an issue with GS9064ACKDE3, 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 GS9064ACKDE3 part is unused and in its original packaging.
Return procedure for GS9064ACKDE3:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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