IF and Demodulator Section

Assembly

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Fixed-frequency amplifier chain (455 kHz AM, 10.7 MHz FM) that provides selectivity and recovers audio from the carrier.

Direct parts	6
Total parts	46
Used in	1 assembly
Class	Assembly

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Fixed-frequency amplifier chain (455 kHz AM, 10.7 MHz FM) that provides selectivity and recovers audio from the carrier. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.

IF and Demodulator Section parts and their functions

6 top-level parts · 46 parts in total · full bill of materials below

IF and Demodulator Section parts diagram: 1 455 khz ceramic filter, 2 10.7 MHz ceramic filter, 3 IF transformer, 4 detector stage, 5 AGC network, 6 SMD passive (R/C/L). 46 parts in 6 top-level items. — IF and Demodulator Section 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	455 kHz Ceramic Filter	1×	455 kHz AM IF filter
2	10.7 MHz Ceramic Filter	1×	10.7 MHz FM IF filter
3	IF Transformer	2×	Tuned IF transformers
4	Detector Stage	1×	AM envelope / FM quadrature detector
5	AGC Network	1×	Feedback network that reduces front-end gain on strong stations so weak and strong signals play at similar volume.
6	SMD Passive (R/C/L)	40×	Surface-mount resistors, capacitors, and inductors, typically in 0402 to 1206 packages, that set voltages, filter noise, and time signals on a circuit board.

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Bill of materials for IF and Demodulator Section

6 top-level lines · 6 rows shown · 46 parts total · indented to 3 levels

#	Item / sub-assembly	Part no.	Qty/assy	Ext. qty	Parts	Type
1	455 kHz Ceramic Filter	am-fm-radio-ceramic-filter-455	1×	1	·	part
2	10.7 MHz Ceramic Filter	am-fm-radio-ceramic-filter-107	1×	1	·	part
3	IF Transformer	am-fm-radio-if-transformer	2×	2	·	part
4	Detector Stage	am-fm-radio-detector	1×	1	·	part
5	AGC Network	am-fm-radio-agc-network	1×	1	·	part
6	SMD Passive (R/C/L)	smd-passives	40×	40	·	part

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Where the IF and demodulator section is used

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

Consumer Electronics 1 Portable AM/FM Radio

Used in 1 assembly

Portable AM/FM Radio

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

Vendor	HQ	Specialty	MOQ	Lead time
🇨🇳Foxconn foxconn.com ↗	Shenzhen, CN	Electronics contract mfg	1,000 pcs	6–10 wks
🇸🇬Flex (Singapore) flex.com ↗	Singapore	Electronics contract mfg	1,000 pcs	6–10 wks
🇮🇳Dixon Technologies dixoninfo.com ↗	Noida, IN	Electronics contract mfg	1,000 pcs	6–10 wks
🇨🇳BYD Electronics 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