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Low Power 315/433 MHz OOK/ASK Superheterodyne
Receiver with SAW-based Oscillator
PT4316
Value
Unit
Parameter
Bandwidth
RSSI dynamic range
RSSI curve slope
Symbol
Condition
Min. Typ. Max.
BWLIM
DRRSSI
SLRSSI
5
70
MHz
dB
14 10.8 mV/dB
PRF < -120dBm
PRF > -30dBm
1.0
1.8
RSSI level
VRSSI
V
Data Filter
Bandwidth
Maximum load capacitance
Notes:
BWDF
CLoad,DS
1
50
20
KHz
pF
1. BER = 1e-3, data rate = 2Kb/s.
2. Use AM 99% with square wave modulation (if limited by capabilities of signal generator).
3. Data rate selection affects choice of component values for data filter, peak detector and slicer.
4. AGC attack and decay currents are around 15µA and 1.5µA.
5. AGC threshold depends on the gain setting and matching of LNA.
PT4316 V1.6
- 17 -
August, 2007
PTC [ PRINCETON TECHNOLOGY CORP ]
