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LNB Downconverter

Assembly

A low-noise block mounted at the antenna feed point that amplifies the weak satellite signal and downconverts to an intermediate frequency for the modem. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.

LNB Downconverter parts and their functions

6 top-level parts · 55 parts in total · full bill of materials below
LNB Downconverter parts diagram: 1 LNA MMIC, 2 mixer, 3 local oscillator, 4 IF filter, 5 input connector, 6 SMD passive (R/C/L). 55 parts in 6 top-level items.
LNB Downconverter parts diagram. Numbers match the table below; each box is one top-level part or assembly with what it contains.
#PartQtyWhat it does
1 LNA MMIC 1× Low-noise amplifier MMIC
2 Mixer 1× RF mixer for frequency shift
3 Local Oscillator 1× Local oscillator for mixing
4 IF Filter 1× Post-amplifier bandpass filter
5 Input Connector 1× Input SMA from antenna
6 SMD Passive (R/C/L) 50× Matching and biasing network

3D model

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Build & assembly graph

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Bill of materials for LNB Downconverter

6 top-level lines · 6 rows shown · 55 parts total · indented to 3 levels
# Item / sub-assembly Part no. Qty/assy Ext. qty Parts Type
1 LNA MMIC sat-lna-core 1× 1 · part
2 Mixer sat-downconvert-mixer 1× 1 · part
3 Local Oscillator sat-local-oscillator 1× 1 · part
4 IF Filter sat-bandpass-filter 1× 1 · part
5 Input Connector sat-lnb-connector 1× 1 · part
6 SMD Passive (R/C/L) smd-passives 50× 50 · part

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Where the LNB downconverter is used

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

Used in 1 assembly

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 $0.50–$100. How estimates work
VendorHQSpecialtyMOQLead 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 Corp
venture.com.sg ↗
Singapore Electronics contract mfg 1,000 pcs 6–10 wks