User's Manual
OPERATION GUIDE.
OG_STD-502-R_v09e Circuit Design, Inc.
4
Electrical specification (Common)
Item Specification MIN TYP MAX Unit Remarks
Operating voltage 3.3 5.5 V
TX current Vcc = 3.3 V 66 mA at 10 mW
RX current Vcc = 3.3 V 75 mA
TX/RX frequency
range
2.4 GHz band 2402.5 2478.5
MHz
Refer to the frequency
table
Operating
temperature range
-20°C to + 65°C -20 65 °C No dew condensation
Storage
temperature range
-30°C to +90°C -30 90 °C No dew condensation
Aging rate < +/- 1 ppm / year -1 1 ppm TX / RX Lo frequency
Initial frequency
tolerance
+/- 10 ppm within one
year from shipment
-10 10 ppm Transmission frequency
Oscillation type
Fractional N PLL
controlled VCO
Frequency stability +/- 10 ppm (-20 to +65°C) -10 10 ppm Reference temp. = 25 C
Channel spacing 1 MHz 1 MHz
Data bit rate 19.2 kbps 19.2 kbps
can be changed with the
command
Chip rate 288 kcps 288 kcps
can be changed with the
command
Number of chips
M-sequence
(111101010001100)
15 bit
PLL reference
frequency
26 26
MHz
TCXO : NT2520SA
Electrical specification (Transmitter)
Item Specification MIN TYP MAX Unit Remarks
-10 to +55°C /all channels
10 mW
Output power
-20 to +65°C /all channels
2 TBD
Spurious emission TBD dBm
EN300 440-1 compliant
Adjacent channel power TBD dBc
EN300 440-1 compliant
Occupied frequency
bandwidth
TBD kHz
EN300 440-1 compliant
Power on -> command reception 42 ms
Power on in the TX mode
Command reception -> TX 5 ms
Country code reception ->
stable RF output
Frequency change 3 ms
Command transmission ->
Stable RF output
RX to TX 2 ms
Terminal input -> Stable
operation
Actuation
time
Recovery from standby 1.2 ms
Standby -> stable RF
output