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MTX-705 Datasheet Preview

MTX-705 Datasheet

(MTX-7xx) FSK/ASK TRANSMITTER MODULE

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MTX-705 pdf
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RADIO MODULE
MTX-705/15/35
FSK/ASK TRANSMITTER MODULE
Supports the follow parts:
MTX-705
MTX-715
MTX-735
PRELIMINARY
DATA SHEET
Radios, Inc.
April 14, 2006 Preliminary Data Sheet



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MTX-705 Datasheet Preview

MTX-705 Datasheet

(MTX-7xx) FSK/ASK TRANSMITTER MODULE

No Preview Available !

MTX-705 pdf
MTX-705/15/35
FSK/ASK TRANSMITTER MODULE
The MTX-705/15/35 FSK/ASK transmitter is
designed for applications in the 315 MHz, 433 MHz, or 868
MHz industrial-scientific-medical (ISM) band, according to
the EN 300 220 telecommunications standard; but it can also
be used in any other country with similar frequency bands.
The MTX-705/15/35 transmitter consists of a fully
integrated voltage-controlled oscilattor, a divide-by-32 divider,
a phase-frequency detector and a charge pump. An internal
loop filter determines the dynamic behavior of the PLL and
suppresses reference spurious signals. A Colpitts crystal
oscillator is used as the reference oscillator of a phase-
locked loop synthesizer. The VCO’s output signal feeds the
Ypower amplifier.
INARKey Features
„ Fully integrated PLL-stabilized VCO
IM„ Frequency range from 250-350MHz, 380-
450MHz, or 850-930MHz
L„ Single-ended RF output
E„ FSK through crystal pulling allows modula-
Rtion from DC to 40 kbit/s
P„ High FSK deviation possible for wideband
„ Adjustable output power range: -11 to +10 dBm
„ Adjustable current consumption: 3.4 to 10.6 mA
Typical Applications
„ General digital data transmission
„ Tire Pressure Monitoring System (TPMS)
data transmission
„ Remote Keyless Entry (RKE)
„ ASK achieved by on/off keying of internal „ Low-power telemetry
power amplifier up to 40 kbit/s
„ Alarm and security systems
„ Very low standby current
„ Garage door openers
„ On-chip low voltage detector
„ Home automation
„ High over-all frequency accuracy
„ FSK deviation and center frequency
independently adjustable
Part Number
MTX-705(D)(S)
MTX-715(D)(S)
MTX-735(D)(S)
PRODUCT ORDER INFORMATION
Description
TH72005 FSK/ASK Module Transmitter
TH72015 FSK/ASK Module Transmitter
TH72035 FSK/ASK Module Transmitter
Radios, Inc.
P.O. Box 1304
North Wales, PA 19454
Contact Information
Phone: 215-362-1899
Fax: 215-362-2214
Email: sales@radiosinc.com
-Page 2-


Part Number MTX-705
Description (MTX-7xx) FSK/ASK TRANSMITTER MODULE
Maker ETC
Total Page 7 Pages
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