Part Information Review and Update

flux

1:04

Gathering project details.

Reviewing the bill of materials.

Analyzing the schematic.

Analyzing the PCB layout.

Looking for "product description and overview" in 87948.pdf

Looking for "mechanical dimensions package footprint pin pitch overall size" in 87948.pdf

Looking for "pin descriptions pinout supply voltage outputs data pins ground antenna frequency" in 87948.pdf

Looking for "electrical characteristics operating voltage current frequency modulation sensitivity data rate" in 87948.pdf

Checking footprint and pin connections.

Looking for "antenna connection ANT location in pinout or mechanical drawing" in 87948.pdf

Looking for "application circuit antenna pin connection and recommended connections" in 87948.pdf

Looking for "dimension drawing with pin numbering and antenna pad details" in 87948.pdf

Looking for "is ANT a separate terminal or pad" in 87948.pdf

Part review summary
I reviewed the available project metadata, schematic terminals, PCB footprint structure, and the datasheet already linked in the project.
  • Datasheet URL was already set in the project properties, so no web search or property update was needed.
  • The part is identified as QAM-RX10-433 from RF SOLUTIONS.
  • Main issue found: the current part definition appears to expose only the 4-pin header, while the datasheet also shows a separate ANT connection point.

Available part information

FieldIn project / datasheet
MPNQAM-RX10-433
ManufacturerRF SOLUTIONS
DescriptionRF receiver module, 433 MHz, AM superheterodyne, 5 V nominal
Datasheet URLPresent: https://datasheet.datasheetarchive.com/originals/distributors/DKDS-5/87948.pdf
Package / form factorReceiver module, approx. 30 mm x 8.5 mm x 5 mm
Header pin pitch2.54 mm +/- 0.05 mm
Header pin count4 pins
Additional connection pointANT shown separately in datasheet
Recommended PCB hole0.65 mm to 0.7 mm
Output typeCMOS / TTL

Current schematic symbol review

Project terminalProject pin numberDatasheet functionMatch
SUPPLY_VOLTAGE1Supply Voltage✅
DATA_OUTPUT_12Data Output✅
DATA_OUTPUT_23Data Output✅
GND4Ground✅

Datasheet pin / connection cross-check

Datasheet connectionPresent in symbolPresent in footprintNotes
Pin 1 Supply VoltageYesYesGood
Pin 2 Data OutputYesYesGood
Pin 3 Data OutputYesYesGood
Pin 4 GroundYesYesGood
ANTNoNot visible in current footprint inspectionLikely missing from the part definition
Footprint cross-check
From the layout inspection:
What matches:
  • 4-pin header exists
  • Pin numbering/function mapping is consistent with the datasheet
  • Datasheet mechanical style is consistent with a through-hole 4-pin module on 2.54 mm pitch
What is missing or unclear:
  • The datasheet shows ANT at the far end of the module, opposite the 4-pin header.
  • The current footprint inspection shows no dedicated ANT pad/terminal.
  • I also did not see enough PCB-node detail to confirm the full body outline, exact hole sizes, or pin spacing implementation numerically inside the footprint.

Key specs from the datasheet

SpecValue
Receiver typeAM Superheterodyne
Frequency433.92 MHz
Supply voltage3.5 V to 5.5 V DC
Nominal supply5 V
Supply current6 mA typ
Data rate10 Kbps
Turn-on time25 ms min, 30 ms typ
Operating temperature-25 C to +85 C
SensitivityDatasheet reports -108 dBm @ 433 MHz in electrical characteristics; overview text also mentions -123 dBm @ 433 MHz

Mismatches and flags

ItemStatusDetail
Symbol pin mapping for pins 1-4✅Matches datasheet
Footprint 4-pad presence✅Matches 4-pin header concept
ANT connection exposed❌Datasheet shows ANT separately, but the current symbol and footprint do not appear to expose it
Full pin descriptions on symbol terminals⚠️Functional names are present, but richer descriptions are not stored as terminal descriptions/properties
Package/body detail verification⚠️Overall module dimensions are known from datasheet, but not all footprint dimensions were visible in the layout inspection
Sensitivity spec consistency inside datasheet⚠️Datasheet overview and electrical table appear inconsistent for 433 MHz sensitivity
Recommended conclusion
The current part definition is mostly correct for the 4-pin header, but it appears incomplete because the datasheet indicates a separate ANT connection point that is not represented in the current symbol/footprint review.
Main flags
  • Missing ANT terminal/pad in the part definition
  • Terminal descriptions are minimal
  • Sensitivity value discrepancy exists within the datasheet itself
If you want, I can next:
  • update the part review into a concise correction checklist, or
  • check whether I can add an ANT terminal and improve the pin properties for you.
Add ANT terminal
Clean up pin data
Verify footprint details
38 days
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QAM-RX10-433

QAM-RX10-433 thumbnail
RF Receiver AM 433.92MHz -108dBm 10kbps Integrated, Helical 4-SIP #RF

Properties

QAM-RX10-433

RF SOLUTIONS

Module

datasheet.datasheetarchive.com/originals/distributors/DKDS-5/87948.pdf

IC

creativecommons.org/licenses/by/4.0/

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