GX39220-DNT-EVB - 96GBaud 2-Ch Linear TIA Eval Board | Renesas
부품 번호: GX39220-DNT-EVB ✓ 활성| 수량 | 단가 | 합계 |
|---|---|---|
| 1 | $4605.6 | $4,605.60 |
| 2 | $4467.43 | $8,934.86 |
| 5 | $4375.32 | $21,876.60 |
| 10 | $4283.21 | $42,832.10 |
| 25 | $4191.1 | $104,777.50 |
GX39220-DNT-EVB 개요
An evaluation board (EVB) is a printed circuit board assembled with the target IC and its supporting circuitry, connectors, and power regulation, allowing system engineers to characterize the device performance before committing to a custom PCB design. Within the product hierarchy, the GX39220-DNT-EVB sits under development tools, specifically amplifier IC development tools, supporting the GX39220 telecom IC family used in coherent and PAM-4 optical receivers.
The underlying GX39220 integrates two TIA signal paths for the I and Q channels, a key requirement for dual-polarization coherent optical receivers where the in-phase and quadrature signals must be amplified with matched gain and phase. According to the Renesas GX39220 datasheet, the high-performance, low-power, and compact design of the GX39220 enables small-form-factor integrated optical modules such as CFP2 and CFP4.
Key technical characteristics of the evaluated device include support for 96 GBaud line rates per channel, linear TIA transfer behavior suitable for DSP-based PAM-4 and coherent receivers, dual-channel integration for I/Q signal paths, and low power consumption appropriate for pluggable module thermal budgets. The evaluation board exposes the TIA inputs and outputs through high-speed RF connectors and provides power and control interfaces for benchtop characterization with sampling oscilloscopes and bit-error-ratio testers.
Typical applications for this evaluation platform include 400G/800G coherent optical transceiver prototyping, CFP2-DCO and CFP4 module development, PAM-4 receiver chain characterization, and optical component vendor interop testing in data center interconnect (DCI) and telecom line-card development.
When using the board, engineers should follow Renesas application guidance on differential input biasing and output match, since linear TIAs are sensitive to input capacitance and layout parasitics that degrade bandwidth and group-delay flatness.
This page synthesizes distributor pricing, availability, datasheet links, and practical usage notes for the GX39220-DNT-EVB evaluation platform not consolidated in the manufacturer datasheet.
드롭인 대체품: GX39220-DNT-EVB — 동일 패키지, 핀 호환. PCB 재작업이 필요한 다른 패키지 부품은 제외됩니다.
빠른 비교 도구 — 나란히 비교할 대체 부품을 선택하십시오:
이 제품에는 사용 가능한 드롭인 대체품이 없습니다.
대체품 요청GX39220-DNT-EVB 사양 (제조사 공개)
| Product Type | Evaluation Board |
| Evaluated Device | GX39220-DNT linear TIA |
| 채널 수 | 2 (I and Q TIA signal paths) |
| Line Rate | 96 GBaud per channel |
| Amplifier Type | Linear Transimpedance Amplifier (TIA) |
| Target Modules | CFP2 / CFP4 small-form-factor optical modules |
| Application Domain | Coherent and PAM-4 optical receivers |
| Manufacturer | Renesas Electronics Corporation |
| Distributor Category | Amplifier IC Development Tools |
| 수명 주기 상태 | Active |
GX39220-DNT-EVB 인터페이스 및 커넥터
GX39220-DNT-EVB에 대해 제조사에서 공개한 인터페이스 목록이 없습니다. 커넥터 및 헤더 세부 정보는 제조사 문서를 참조하십시오.
다음을 참조하십시오: 제조사 문서 전체 확장 헤더 핀아웃 및 커넥터 핀 번호는 다음을 참조하십시오.
일반적인 애플리케이션
GX39220-DNT-EVB 적합 용도: 6 애플리케이션s: 400G/800G Coherent Optical Transceiver Prototyping, CFP2 / CFP4 Optical Module Development, PAM-4 Receiver Chain Characterization, Data Center Interconnect (DCI) Line-Card Development, Optical Component Interoperability Testing, Telecom Test and Measurement Bench.
400G/800G Coherent Optical Transceiver Prototyping
Dual-polarization coherent receivers require matched amplification of the in-phase (I) and quadrature (Q) photocurrents before the DSP performs phase and polarization recovery. The GX39220-DNT-EVB lets engineers characterize the Renesas GX39220 in exactly this role: two linear TIA signal paths, each rated for 96 GBaud, preserve signal amplitude information that a limiting TIA would destroy. Using the evaluation board, designers measure bandwidth, group-delay flatness, and noise across both channels to confirm the DSP can close the link at target OSNR. Because the board is Renesas-validated, results establish a reference baseline against which the production photodiode-plus-TIA layout is later compared.
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CFP2 / CFP4 Optical Module Development
According to the Renesas GX39220 datasheet, the high-performance, low-power, compact design of the GX39220 enables small-form-factor integrated optical modules such as CFP2 and CFP4. Engineers developing these pluggable modules use the GX39220-DNT-EVB to validate TIA gain, bandwidth, and power draw before integrating the device into the tight module PCB. The board's accessible RF interfaces make it straightforward to capture 96 GBaud-per-channel eyes and verify that the two I/Q channels remain balanced - critical because channel mismatch in CFP2-DCO modules degrades coherent DSP performance. Power-consumption data collected on the EVB feeds directly into module thermal-budget calculations.
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PAM-4 Receiver Chain Characterization
PAM-4 signaling encodes four amplitude levels, so the receiver TIA must be linear rather than limiting; the GX39220 is explicitly a linear TIA, and the GX39220-DNT-EVB is the platform on which Renesas exposes its linearity for measurement. Teams characterizing 800G-class PAM-4 receivers use the board with a pattern generator and oscilloscope to measure TIA linearity, harmonic distortion, and equalization margin at line rates up to 96 GBaud per channel. Measurements on the EVB quantify how much DSP equalization burden the front end imposes, informing CD and PMD tolerance budgets. This is the standard first-step workflow before taping out a custom TIA-to-DSP analog front-end board.
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Data Center Interconnect (DCI) Line-Card Development
DCI line cards for metro and long-haul coherent links demand optical front ends with low noise and flat frequency response across 96 GBaud channels. The GX39220-DNT-EVB provides a reference implementation of the Renesas GX39220 dual-channel linear TIA that system teams can measure and model during line-card architecture definition. By capturing S-parameters and noise data from the EVB, engineers build accurate behavioral models for link-budget simulation, then set design targets - gain, ripple, and crosstalk - for their own photonic-integrated circuit to TIA interface. The board shortens architecture iterations by replacing custom front-end builds during early design phases.
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Optical Component Interoperability Testing
Component vendors of photodiodes, photonic integrated circuits, and DSPs use evaluation platforms such as the GX39220-DNT-EVB to demonstrate interoperability with a known-good linear TIA. Because the GX39220 supports two channels at 96 GBaud each, a vendor can validate a dual-polarization photodiode or coherent PIC in a single test session, characterizing responsivity match, differential return loss, and effective bandwidth against a documented reference amplifier. The Renesas board removes layout uncertainty from the comparison, so measured differences attribute to the device under test rather than the fixture - the reason interop labs prefer vendor evaluation boards over ad-hoc test fixtures for qualification reporting.
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Telecom Test and Measurement Bench
Test engineers building characterization benches for optical receivers rely on stable reference platforms; the GX39220-DNT-EVB, listed by distributors as an amplifier IC development tool, serves as the TIA reference in benches that validate oscilloscopes, sampling modules, and optical modulation analyzers at 96 GBaud line rates. Its dual-channel architecture permits simultaneous I/Q capture, doubling throughput of eye-mask and BER testing. Because the underlying GX39220 is a telecom IC with documented datasheet behavior, bench results are traceable to a published specification, satisfying calibration and audit requirements in qualification labs. The board's unit price (~$4,605) is modest relative to the instruments it anchors.
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엔지니어링 참조 데이터: GX39220-DNT-EVB — 비교, 설계 지침 및 규정 준수 정보.
선택 가이드
대체품과의 비교
| 파라미터 | 이 제품 |
|---|---|
| Product Type | Evaluation Board (GX39220-DNT EVB) |
| Package | Evaluation Board (no standard IC package) |
| Brand | Renesas Electronics |
| Evaluated IC | GX39220-DNT linear TIA |
| Channels | 2 (I/Q) |
| Line Rate | 96 GBaud per channel |
| Unit Price (qty 1, as of 2026-10-10) | $4,605.60 USD |
| Availability | In stock at DigiKey/Mouser (ships today) |
주요 차별점
- Dual-channel I/Q integration on one board (vs Single-channel TIA evaluation fixtures)
- 96 GBaud-per-channel line rate support (vs Legacy 56/64 GBaud TIA evaluation boards)
- Renesas-validated reference layout (vs Custom in-house GX39220-DNT test boards)
설계 노트
Linear TIAs such as the GX39220 are highly sensitive to input-node capacitance: total photodiode plus parasitic capacitance sets the transimpedance-bandwidth product, and excess capacitance peaking can cause group-delay ripple that degrades DSP equalization margin. When evaluating on the GX39220-DNT-EVB, keep RF cable lengths short, use calibrated low-loss 96 GBaud-capable cables, and perform a fixture de-embedding (e.g., Thru-Reflect-Line or adapter-removal calibration) before quoting bandwidth or S-parameter results.
The GX39220 is specified as a low-power device for CFP2/CFP4 module thermal budgets, but supply ripple on the TIA rails directly converts to output noise. Use low-noise bench supplies or filtered linear regulation when powering the GX39220-DNT-EVB, add common-mode chokes on supply leads, and verify supply spurs are below the TIA noise floor in the measurement band. Record actual board current draw during characterization - it feeds directly into the CFP4 module thermal-budget calculation.
A common mistake is treating EVB measurements as production performance: the GX39220-DNT-EVB layout, connector launch, and photodiode interface differ from a production CFP2/CFP4 module PCB. Bandwidth, crosstalk between the I and Q channels, and power-supply sensitivity measured on the board are reference values only. Plan a re-characterization milestone on the first production spin, and reserve the EVB as a golden reference unit for diagnosing layout-related regressions.
규정 준수 정보
Compliance data for the GX39220-DNT-EVB was not present in the provided web data. Evaluation boards typically follow RoHS assembly but this must be confirmed with Renesas or distributor compliance documents.