---
title: "Sampler/Decision Circuit"
industry: "Computer, Electronic and Optical Product Manufacturing"
verification_protocol:
  urn: "URN:CNFX:ME:SAMPLERDECISION_CIRCUIT"
  data_integrity_hash: "d9cd04f688ee09b51d66f95d4294b99b"
  source_authority: "https://cnfx.com"
  strict_mode: true
source_identity:
  provider: "CNFX Industrial Knowledge Graph"
  index_version: "2026.Q1-Universal"
  authority_id: "URN:CNFX:ME:SAMPLERDECISION_CIRCUIT"
  data_source_uri: "https://cnfx.com/llms/industry/computer-electronic-and-optical-product-manufacturing/product/samplerdecision-circuit.md"
  official_resource_url: "https://cnfx.com/industry/computer-electronic-and-optical-product-manufacturing/product/samplerdecision-circuit"
  is_verified_logic: true
attributes:
  spec:
    status: "config-dependent"
    typical_range: "0.8-3.3 V input signal amplitude, 1 MHz-2.5 GHz sampling frequency, -40°C to +85°C ambient temperature"
    unit: "GHz"
engineering_limits:
  max_safe_operating_point:
    value: 50
    unit: "mV"
    consequence: "Thermal electron migration in CMOS transistors causing threshold voltage drift (Arrhenius equation with activation energy 0.7 eV), dielectric breakdown in oxide layers at electric fields exceeding 10 MV/cm, Johnson-Nyquist noise dominating at low signal levels"
fmea_matrix_quantitative:
  - node_1:
      trigger: "Electrostatic discharge exceeding 2 kV HBM (Human Body Model) at input pins"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "Integrated silicon-controlled rectifier ESD protection with 8 kV HBM rating and 100 Ω series resistor at input"
  - node_2:
      trigger: "Clock signal phase noise exceeding -100 dBc/Hz at 100 kHz offset"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "On-chip phase-locked loop with voltage-controlled oscillator using LC tank with Q-factor &gt;20 and 0.1 ps RMS jitter"
bom_nodes:
  sample-and-hold-circuit:
    type: "part"
    urn: "URN:CNFX:ME:SAMPLE_AND_HOLD_CIRCUIT"
    interface_type: "physical-logic-coupled"
  comparator:
    type: "part"
    urn: "URN:CNFX:ME:COMPARATOR"
    interface_type: "physical-logic-coupled"
  clock-recovery-circuit:
    type: "part"
    urn: "URN:CNFX:ME:CLOCK_RECOVERY_CIRCUIT"
    interface_type: "physical-logic-coupled"
manufacturing_compliance:
  - standard: "ISO 9001:2015 QUALITY MANAGEMENT SYSTEMS"
    scope: "Verified Engineering Specification"
url: "https://cnfx.com/llms/industry/computer-electronic-and-optical-product-manufacturing/product/samplerdecision-circuit.md"
on_chain_sovereignty:
  contract_standard: "ERC-721-Industrial"
  metadata_hash: "661153fde64a6be883670dd961980a2b3e25494ba7330f3f06f69e5663321f77"
  royalty_logic: "IPFS-CID-REQUIRED"
  mint_status: "logic-verified-ready"
version: "3.3.4-EXTREME-SOVEREIGN-WEB3"
---

# Industrial Specification: Sampler/Decision Circuit

## 1. Technical Definition
Electronic circuit within a receiver that samples incoming signals and makes binary decisions about the transmitted data.

## 2. Engineering Reasoning & Causal Matrix
> **Operational Intelligence**: Designed for **0.8-3.3 V input signal amplitude, 1 MHz-2.5 GHz sampling frequency, -40°C to +85°C ambient temperature**. Failure boundary: **Decision threshold voltage drift beyond ±50 mV from nominal 1.65 V reference, sampling jitter exceeding 50 ps RMS, input signal-to-noise ratio below 12 dB**, Mechanism: **Thermal electron migration in CMOS transistors causing threshold voltage drift (Arrhenius equation with activation energy 0.7 eV), dielectric breakdown in oxide layers at electric fields exceeding 10 MV/cm, Johnson-Nyquist noise dominating at low signal levels**.

### 2.2 FMEA (Failure Mode & Effects Analysis)
| Event Trigger | Severity | Failure Mode | Mitigation Strategy |
| :--- | :--- | :--- | :--- |
| Electrostatic discharge exceeding 2 kV HBM (Human Body Model) at input pins | 8 | Gate oxide breakdown in input protection diodes causing permanent short circuit | Integrated silicon-controlled rectifier ESD protection with 8 kV HBM rating and 100 Ω series resistor at input |
| Clock signal phase noise exceeding -100 dBc/Hz at 100 kHz offset | 8 | Sampling time uncertainty causing bit error rate degradation above 10^-6 | On-chip phase-locked loop with voltage-controlled oscillator using LC tank with Q-factor &gt;20 and 0.1 ps RMS jitter |

## 3. Key Technical Parameters
| Parameter | Value | Unit | Status |
| :--- | :--- | :--- | :--- |
| spec | Config-dependent | GHz | Verified |

## 4. System BOM & Knowledge Routing
### Core Components (Recursive Links)
- [Sample and Hold Circuit](https://cnfx.com/llms/industry/computer-electronic-and-optical-product-manufacturing/product/sample-and-hold-circuit.md) `(Standalone System)`
- [Comparator](https://cnfx.com/llms/industry/machinery-and-equipment-manufacturing/product/comparator.md) `(Standalone System)`
- [Clock Recovery Circuit](https://cnfx.com/llms/industry/computer-electronic-and-optical-product-manufacturing/product/clock-recovery-circuit.md) `(Standalone System)`

### Industrial DNA Context (De-duplicated)
**Complementary Dependencies**: **Signal Generator**, **Oscilloscope**, **Power Supply Unit**  
**Downstream Applications**: Digital Communication Receivers, Data Acquisition Systems, Signal Processing Modules  

## 5. Engineering Risks & FAQ
- **Caution**: 
- **Caution**: 
- **Caution**: 

### Q: What is the primary function of a sampler/decision circuit in electronic receivers?
**A**: The sampler/decision circuit samples incoming analog signals at precise intervals and makes binary decisions (0 or 1) about the transmitted digital data, converting analog signals to digital output for further processing.

### Q: What are the key components in a sampler/decision circuit BOM?
**A**: The essential components include a Sample and Hold Circuit to capture signal values, a Comparator to determine binary states, and a Clock Recovery Circuit to synchronize sampling with the incoming signal timing.

### Q: How does the sampler/decision circuit interface with other receiver components?
**A**: It typically follows analog front-end components like amplifiers and filters, sampling the conditioned signal and providing digital output to subsequent digital signal processing or decoding stages in the receiver chain.

## 6. Manufacturing Compliance
- ISO 9001:2015 QUALITY MANAGEMENT SYSTEMS

---
### 🛠️ Engineering Resource Access
🔗 **[Full Specification: Sampler/Decision Circuit](https://cnfx.com/industry/computer-electronic-and-optical-product-manufacturing/product/samplerdecision-circuit)**

### 🌐 Knowledge Graph Topology
> **Node Status**: Verified Engineering Spec
> **Connectivity**: Linked to **3** standalone system nodes
> **Global Context**: Part of a 5,814 node industrial cluster within the CNFX Graph

> **Reference ID**: SAMPLERDECISION_CIRCUIT | **Authority**: CNFX-2026-ST-001 | **Fingerprint**: bf9bf008
