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FM-TX2-XXXのメーカーはrfsolutionsです、この部品の機能は「FM TRANSMITTER & RECEIVER MODULES」です。 |
部品番号 | FM-TX2-XXX |
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部品説明 | FM TRANSMITTER & RECEIVER MODULES | ||
メーカ | rfsolutions | ||
ロゴ | |||
このページの下部にプレビューとFM-TX2-XXXダウンロード(pdfファイル)リンクがあります。 Total 9 pages
FM TRANSMITTER & RECEIVER
MODULES. (2ND GENERATION)
FEATURES
• MINIATURE PACKAGE
• PLUG IN COMPATIBLE WITH FM-TX1 / RX1
• EMC CONFORMANT TO ETS 300-683
• TYPE APPROVED TO ETS 300-220
• DATA RATES TO 40KBIT/S
•www.DataSheet4U.coUmSABLE RANGE TO 300 METRES
• 418 & 433.92MHZ VERSIONS.
• SINGLE SUPPLY VOLTAGE 5V OR 3V
• FULLY SCREENED
FM-TX2-XXX
FM-RX2-XXX
Transmitter - TX2
• 2 STAGE SAW CONTROLLED, FM
MODULATED AT UPTO 40KBIT/S
• OPERATION FROM 2.2 TO 6 VOLTS
• 10mW ON 433.92MHZ (EUROPE) , 1mW ON
418MHZ (UK)
• HIGH EFFICIENCY, >15% , DC --> RF
• IMPROVED FREQUENCY AND DEVIATION
ACCURACY
• 2ND HARMONIC, < -60DBC
Receiver - RX2
• DOUBLE CONVERSION FM SUPERHET
• SAW FRONT END FILTER, IMAGE
REJECTION 50DB
• SUPPLY 3.0 TO 6.0 VOLTS @ 13MA
• 40KBIT/S, -F VERSION , -100 DBM
SENSITIVITY @ 1PPM BER
• 14KBIT/S. -A VERSION , -107 DBm
SENSITIVITY @ 1PPM BER
• LO LEAKAGE, < -60 DBM
Description
The TX2 and RX2 data link modules are a miniature PCB mounting UHF radio transmitter and receiver pair
which enable the simple implementation of a data link at upto 40 Kbit/s at distances upto 75 metres in-building
and 300 metres open ground.
Available for operation at 433.92 MHz in Europe and 418.00 MHz in the U.K., both modules combine full
screening with extensive internal filtering to ensure EMC compliance by minimising spurious radiations and
susceptibilities. The TX2 and RX2 modules will suit one-to-one and multi-node wireless links in applications
including car and building security, EPOS and inventory tracking, remote industrial process monitoring and
computer networking. Because of their small size and low power requirements, both modules are ideal for use
in portable, battery-powered applications such as hand-held terminals.
DS000022 Rev D July ‘99
©1999 REG No 277 4001, ENGLAND.
Page 1
1 Page FM TRANSMITTER & RECEIVER
MODULES. (2ND GENERATION)
RX2 receiver:
FM-TX2-XXX
FM-RX2-XXX
www.DataSheet4U.com
fig. 3: RX2 block diagram
Pin description
RF in
(pin 1)
50Ω RF input from the antenna,
it is DC isolate internally. (see
antenna section of RX2
applications note for suggested
antenna/feeds).
RF GND
(pin 2)
RF ground pin, internally
connected to the module screen
and pin 4 (0V). This pin should
be connected to the RF return
path (e.g. coax braid, main PCB
ground plane etc.)
fig. 4: physical dimensions
CD (pin 3)
The Carrier Detect may be used to drive an external PNP transistor to obtain a logic
level carrier detect signal, see test circuit / applications note. If not required it should
be connected to pin 5 (Vcc).
0volt
(pin 4)
Supply ground connection, connected to pin 1 and screen.
Vcc (pin 5)
+ve supply pin. +3.0V to +6.0V @ <17mA . The supply must be clean < 2mVP-P ripple. A
10µF de-coupling capacitor and 10Ω series resistor is recommended if a clean supply is
not available.
AF (pin 6)
This is a buffered and filtered analogue output from the FM demodulator. It has a
standing DC bias of 1.2V and 400mV P-P base band signal. It is useful as a test point or
to drive linear decoders. Load impedance should be > 2kΩ and < 100pF.
RXD
(pin 7)
This digital output from the internal data slicer is a squared version of the signal on
pin 6 (AF). It may be used to drive external decoders. The data is true data, i.e. as fed
to the transmitter. Load impedance should be > 1kΩ and < 1nF
DS000022 Rev D July ‘99
©1999 REG No 277 4001, ENGLAND.
Page 3
3Pages FM TRANSMITTER & RECEIVER
MODULES. (2ND GENERATION)
Module test circuits
FM-TX2-XXX
FM-RX2-XXX
www.DataSheet4U.com
fig.5: TX2 test circuit
fig.6: RX2 test circuit
∗ The PNP transistor enables a CMOS compatible Carrier Detect signal to be derived from pin 3. If no CD signal required
pin 3 should be connected directly to pin 5 (Vcc)
Module mounting considerations
The modules may be mounted horizontally or vertically on an area of ground plane preferably
close to the antenna to minimise feed length. The receiver and it’s antenna should be kept away
from sources of interference (micro’s, SMPS etc.). The modules may be potted if required in a
viscous compound which can not enter the screen can..
Warning: Do NOT wash the modules. They are not hermetically sealed.
DS000022 Rev D July ‘99
©1999 REG No 277 4001, ENGLAND.
Page 6
6 Page | |||
ページ | 合計 : 9 ページ | ||
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PDF ダウンロード | [ FM-TX2-XXX データシート.PDF ] |
データシートを活用すると、その部品の主な機能と仕様を詳しく理解できます。 ピン構成、電気的特性、動作パラメータ、性能を確認してください。 |
部品番号 | 部品説明 | メーカ |
FM-TX2-XXX | FM TRANSMITTER & RECEIVER MODULES | rfsolutions |