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PTC

PT4301 Datasheet Preview

PT4301 Datasheet

Low Power High Sensitivity 315/434 MHz OOK/ASK Superheterodyne Receiver

No Preview Available !

Tel: 886-2-66296288
Fax: 886-2-29174598
URL: http://www.princeton.com.tw
Low Power High Sensitivity 315/434 MHz OOK/ASK
Superheterodyne Receiver
Preliminary
PT4301
DESCRIPTION
The PT4301 is a very low power consumption and high sensitivity single chip OOK/ASK
superheterodyne receiver for the 315MHz and 434MHz frequency bands which offers a high level of
integration and requires only a few external components. The PT4301 consists of a low-noise amplifier
(LNA), an image-rejection mixer, an on-chip phase-locked loop (PLL) with integrated voltage-controlled
oscillator (VCO) and loop filter, a 10.7MHz intermediate frequency (IF) limiting amplifier stage with
received-signal-strength indicator (RSSI), and analog baseband data recovery circuitry (data filter, peak
detector, and data slicer). The PT4301 also implements a discrete one-step automatic gain control
(AGC) that reduces the LNA gain by 20dB when the RF input signal is greater than -60dBm. The
PT4301 is available in 24-pin SSOP package and is specified over the extended temperature range
(-40 to +85oC).
FEATURES
Low current consumption (5mA fully active mode at 315MHz)
2.4 to 5.5V supply voltage operation range
Optimized for 315 or 434MHz ISM Band
On-chip image-rejection function
High dynamic range with on-chip AGC
Power down mode with very low supply current (<1µA)
High sensitivity of -114dBm (2Kb/s AM 99% square-wave modulation, 315MHz)
Low external parts count
24-pin SSOP package
APPLICATIONS
www.DataRSehemet4oUte.cokmeyless entry (RKE) systems
Remote control systems including garage door and gate openers
Alarm and security systems
Wireless sensors
PT4301 PRE1.0
-1-
January, 2008




PTC

PT4301 Datasheet Preview

PT4301 Datasheet

Low Power High Sensitivity 315/434 MHz OOK/ASK Superheterodyne Receiver

No Preview Available !

Tel: 886-2-66296288
Fax: 886-2-29174598
URL: http://www.princeton.com.tw
Low Power High Sensitivity 315/434 MHz OOK/ASK
Superheterodyne Receiver
Preliminary
PT4301
BLOCK DIAGRAM
DATA
DSP DSN PDOUT
DFO
OPP DFFB
21
19 16
22
15 17 18
LIMINB LIMIN
14 13
Data Slicer
CE 23
AGCDIS 12
Bias
Peak Detector
XIN 24
XOUT 1
VDDDIG 11
VSSDIG 10
Crystal Oscillator
AGC
PLL
3
LNAIN
LNA
4
VSSNA
5
LNAOUT
Data Filter
VCO
LO Buffer
Loop Filter
7
MIXIN
RSSI
Limiter with RSSI
Regulator
I
0o
QΣ
90o
20 VDD5
2 VDDIF
6 VDDRF
8
VSSMIX
9
MIXOUT
www.DataSheet4U.com
PT4301 PRE1.0
-2-
January, 2008


Part Number PT4301
Description Low Power High Sensitivity 315/434 MHz OOK/ASK Superheterodyne Receiver
Maker PTC
PDF Download

PT4301 Datasheet PDF






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