Gain Control and Monitoring

Assembly

Xerox ColorQube 8570 - display and panel-9121.jpg · Commons ↗ Report photo

Closed-loop servo maintaining constant optical power despite donor signal fluctuations and fiber path losses.

Direct parts	5
Total parts	5
Used in	1 assembly
Class	Assembly

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Closed-loop servo maintaining constant optical power despite donor signal fluctuations and fiber path losses. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.

Gain Control and Monitoring parts and their functions

5 top-level parts · 5 parts in total · full bill of materials below

Gain Control and Monitoring parts diagram: 1 RF power detector, 2 8-bit fast ADC, 3 6-bit DAC, 4 ARM cortex-M3 MCU, 5 power and thermal monitor IC. 5 parts in 5 top-level items. — Gain Control and Monitoring parts diagram. Numbers match the table below; each box is one top-level part or assembly with what it contains.

#	Part	Qty	What it does
1	RF Power Detector	1×	RF power detector at DAS output, logarithmic output
2	8-Bit Fast ADC	1×	8-bit fast ADC sampling RF power detector
3	6-Bit DAC	1×	6-bit DAC for VGA or VOA control voltage
4	ARM Cortex-M3 MCU	1×	ARM Cortex-M3 running closed-loop servo
5	Power and Thermal Monitor IC	1×	Temperature and power supply monitoring IC

3D model

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Build & assembly graph

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Bill of materials for Gain Control and Monitoring

5 top-level lines · 5 rows shown · 5 parts total · indented to 3 levels

#	Item / sub-assembly	Part no.	Qty/assy	Ext. qty	Parts	Type
1	RF Power Detector	distributed-antenna-headend-level-detector	1×	1	·	part
2	8-Bit Fast ADC	distributed-antenna-headend-adc-8bit	1×	1	·	part
3	6-Bit DAC	distributed-antenna-headend-dac-6bit	1×	1	·	part
4	ARM Cortex-M3 MCU	distributed-antenna-headend-microcontroller	1×	1	·	part
5	Power and Thermal Monitor IC	distributed-antenna-headend-fault-monitor	1×	1	·	part

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Where the gain control and monitoring is used

1 product across 1 domain contain it, directly or inside a sub-assembly

Networking & Telecom 1 DAS Headend

Used in 1 assembly

DAS Headend

Sourcing: possible vendors

Browse the supplier directory → Prices, MOQ, and lead times are algorithmic estimates, not quotes, and not claims about these companies. Company mappings are curated by keyword; est. price band $3–$400. How estimates work

Vendor	HQ	Specialty	MOQ	Lead time
🇨🇳BOE boe.com ↗	Beijing, CN	Display panels	1,000 pcs	6–10 wks
🇨🇳Tianma tianma.com ↗	Shenzhen, CN	Display panels	1,000 pcs	6–10 wks
🇨🇳TCL CSOT szcsot.com ↗	Shenzhen, CN	Display panels	1,000 pcs	6–10 wks
🇨🇳Truly Opto truly.net ↗	Shanwei, CN	Displays & camera modules	1,000 pcs	6–10 wks
🇸🇬Venture Corp venture.com.sg ↗	Singapore	Electronics contract mfg	1,000 pcs	6–10 wks