RF Tuner Front End Assembly
The coax-facing radio section: a diplexer splits the 5–85 MHz upstream band from the 108–1218 MHz downstream band, a full-band capture tuner digitizes the entire downstream spectrum, and a programmable amplifier drives upstream bursts back onto the plant. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.
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Bill of materials
6 top-level lines · 6 rows shown · 95 parts total · indented to 3 levels| # | Item / sub-assembly | Part no. | Qty/assy | Ext. qty | Parts | Type |
|---|---|---|---|---|---|---|
| 1 | F-Connector | cable-modem-f-connector | 1× | 1 | — | part |
| 2 | Diplexer | cable-modem-diplexer | 1× | 1 | — | part |
| 3 | Full-Band Capture Tuner | cable-modem-fbc-tuner | 1× | 1 | — | part |
| 4 | Upstream Amplifier | cable-modem-upstream-amp | 1× | 1 | — | part |
| 5 | Surge Arrestor | cable-modem-surge-arrestor | 1× | 1 | — | part |
| 6 | SMD Passive (R/C/L) | smd-passives | 90× | 90 | — | part |
Used in 1 assembly
Sourcing — likely vendors
Companies that make this · indicative price $0.50–$100 · MOQ & lead are typical| Vendor | HQ | Specialty | MOQ | Lead time |
|---|---|---|---|---|
| 🇨🇳Foxconn foxconn.com ↗ | Shenzhen, CN | Electronics contract mfg | 1,000 pcs | 6–10 wks |
| flex.com ↗ | Singapore | Electronics contract mfg | 1,000 pcs | 6–10 wks |
| dixoninfo.com ↗ | Noida, IN | Electronics contract mfg | 1,000 pcs | 6–10 wks |
| bydelectronic.com ↗ | Shenzhen, CN | Electronics contract mfg | 1,000 pcs | 6–10 wks |
| venture.com.sg ↗ | Singapore | Electronics contract mfg | 1,000 pcs | 6–10 wks |