Os motores de busca de Datasheet de Componentes eletrônicos
  Portuguese  ▼
ALLDATASHEETPT.COM

X  

KTX2 Folha de dados(PDF) 6 Page - Radiometrix Ltd

Nome de Peças KTX2
Descrição Electrónicos  UHF FM Code-Hopping Data Transmitter Module
Download  8 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
Fabricante Electrônico  RADIOMETRIX [Radiometrix Ltd]
Página de início  http://www.radiometrix.com
Logo RADIOMETRIX - Radiometrix Ltd

KTX2 Folha de dados(HTML) 6 Page - Radiometrix Ltd

  KTX2 Datasheet HTML 1Page - Radiometrix Ltd KTX2 Datasheet HTML 2Page - Radiometrix Ltd KTX2 Datasheet HTML 3Page - Radiometrix Ltd KTX2 Datasheet HTML 4Page - Radiometrix Ltd KTX2 Datasheet HTML 5Page - Radiometrix Ltd KTX2 Datasheet HTML 6Page - Radiometrix Ltd KTX2 Datasheet HTML 7Page - Radiometrix Ltd KTX2 Datasheet HTML 8Page - Radiometrix Ltd  
Zoom Inzoom in Zoom Outzoom out
 6 / 8 page
background image
Radiometrix Ltd, KTX2 Data Sheet
page 6
Antenna requirements
Three types of integral antenna are recommended and approved for use with the module:
A. Helical antenna
B. Loop antenna
RF
C1
C2
C4
C3
RF-GND
C. Whip antenna
16.4cm
RF
0.5 mm enameled copper wire
close wound on 3.2 mm diameter former
433 MHz = 24 turns
Feed point 15% to 25% of total loop length
track width = 1mm
4 to 10 cm inside area
wire, rod, PCB-track or a combination
of these three
433 MHz = 16.4 cm total from RF pin.
2
RF
A
B
C
helical
loop
whip
Ultimate performance
**
*
***
Easy of design set-up
**
*
***
Size
***
**
*
Immunity proximity effects
**
***
*
Range open ground to similar antenna
(for KTX2-433 & RX2A-433-10)
200m
100m
300m
A) Helical
Wire coil, connected directly to pin 2, open circuit at other end. This
antenna
is
very
efficient given it's small size (20mm x 4mm dia.). The helical is a high Q antenna, trim the
wire length or expand the coil for optimum results. The helical de-tunes badly with
proximity to other conductive objects.
B) Loop
A loop of PCB track tuned by a fixed or variable capacitor to ground at the 'hot' end and fed
from pin 2 at a point 20% from the ground end. Loops have high immunity to proximity de-
tuning.
C) Whip
This is a wire, rod, PCB track or combination connected directly to pin 2 of the module.
Optimum total length is 15.5cm (1/4 wave @ 433MHz). Keep the open circuit (hot) end well
away from metal components to prevent serious de-tuning. Whips are ground plane
sensitive and will benefit from internal 1/4 wave earthed radial(s) if the product is small
and plastic cased
The antenna choice and position directly controls the system range. Keep it clear of other metal in the
system, particularly the 'hot' end. The best position by far, is sticking out the top of the product. This is
often not desirable for practical/ergonomic reasons thus a compromise may need to be reached. If an
internal antenna must be used try to keep it away from other metal components, particularly large ones
like transformers, batteries and PCB tracks/earth plane. The space around the antenna is as important as
the antenna itself.
Fig.5: Antenna configuration
Antenna selection chart


Nº de peça semelhante - KTX2

Fabricante ElectrônicoNome de PeçasFolha de dadosDescrição Electrónicos
logo
KEC(Korea Electronics)
KTX201 KEC-KTX201 Datasheet
102Kb / 5P
   EPITAXIAL PLANAR NPN/PNP TRANSISTOR (GENERAL PURPOSE)
KTX201 KEC-KTX201 Datasheet
698Kb / 5P
   EPITAXIAL PLANAR NPN/PNP TRANSISTOR (GENERAL PURPOSE)
KTX201E KEC-KTX201E Datasheet
102Kb / 5P
   EPITAXIAL PLANAR NPN/PNP TRANSISTOR (GENERAL PURPOSE)
KTX201U KEC-KTX201U Datasheet
698Kb / 5P
   EPITAXIAL PLANAR NPN/PNP TRANSISTOR (GENERAL PURPOSE)
KTX213E KEC-KTX213E Datasheet
57Kb / 4P
   EPITAXIAL PLANAR PNP/NPN TRANSISTOR
More results

Descrição semelhante - KTX2

Fabricante ElectrônicoNome de PeçasFolha de dadosDescrição Electrónicos
logo
Radiometrix Ltd
KTX2 RADIOMETRIX-KTX2_12 Datasheet
395Kb / 8P
   UHF FM Code-Hopping Data Transmitter Module
KRX2 RADIOMETRIX-KRX2 Datasheet
141Kb / 9P
   UHF FM Code-Hopping Receiver Module
KFX2 RADIOMETRIX-KFX2 Datasheet
370Kb / 4P
   UHF FM CODE HOPPING REMOTE CONTROL KEYFOB TRANSMITTER
TX2S RADIOMETRIX-TX2S Datasheet
242Kb / 7P
   UHF FM Data Transmitter Module
logo
Microchip Technology
RFHCS362F MICROCHIP-RFHCS362F Datasheet
502Kb / 60P
   Code Hopping Encoder with UHF ASK/FSK Transmitter
2002
RFHCS362G MICROCHIP-RFHCS362G_11 Datasheet
928Kb / 54P
   KEELOQ짰 Code Hopping Encoder with UHF ASK/FSK Transmitter
2011
logo
Radiometrix Ltd
TX3A-869-64 RADIOMETRIX-TX3A-869-64 Datasheet
451Kb / 15P
   UHF FM Data Transmitter and Receiver Modules
TX2A-433-64 RADIOMETRIX-TX2A-433-64 Datasheet
269Kb / 11P
   UHF FM Data Transmitter and Receiver Modules
TX2A RADIOMETRIX-TX2A Datasheet
207Kb / 10P
   UHF FM Data Transmitter and Receiver Modules
TX2-433-40-5V RADIOMETRIX-TX2-433-40-5V Datasheet
753Kb / 15P
   UHF FM Data Transmitter and Receiver Modules
More results


Html Pages

1 2 3 4 5 6 7 8


Folha de dados Download

Go To PDF Page


Ligação URL




Privacy Policy
ALLDATASHEETPT.COM
ALLDATASHEET é útil para você?  [ DONATE ] 

Sobre Alldatasheet   |   Publicidade   |   Contato conosco   |   Privacy Policy   |   roca de Link   |   Lista de Fabricantes
All Rights Reserved©Alldatasheet.com


Mirror Sites
English : Alldatasheet.com  |   English : Alldatasheet.net  |   Chinese : Alldatasheetcn.com  |   German : Alldatasheetde.com  |   Japanese : Alldatasheet.jp
Russian : Alldatasheetru.com  |   Korean : Alldatasheet.co.kr  |   Spanish : Alldatasheet.es  |   French : Alldatasheet.fr  |   Italian : Alldatasheetit.com
Portuguese : Alldatasheetpt.com  |   Polish : Alldatasheet.pl  |   Vietnamese : Alldatasheet.vn
Indian : Alldatasheet.in  |   Mexican : Alldatasheet.com.mx  |   British : Alldatasheet.co.uk  |   New Zealand : Alldatasheet.co.nz
Family Site : ic2ic.com  |   icmetro.com