K-band (24GHz) Doppler Sensor Module
MODEL NO. NJR4251 / 51J
* DRO (Dielectric Resonator Oscillator) for 24GHz direct oscillation
* Small size : 44.3 mm x 22.1 mm x 9.4 mm
* Low Power Consumption : 50 mA max. @+5V DC
* Flexibility of selection for Antenna (Horn and patch antenna)
| Model No | Center Frequency |
Output Power |
Operating Voltage |
Operation | Region |
| NJR4251 | 24.15 GHz | 7 mW | +5 Vdc | CW / Pulse | All regions except Japan |
|
№ |
ltem |
Specification |
|
Electrical Characteristics (at +25℃, +5VDC) |
||
|
1. |
Operating Voltage |
5.0±0.2 Vdc |
|
2. |
Operating Current |
50 mA typ. |
|
3. |
Frequency StaЬility |
±5 MHz max. (-30 to +60℃) |
|
4. |
Output Power |
+7 mW typ. |
|
5. |
Return Loss Sensitivity |
-80dBc typ. |
|
6. |
Second Harmonic Emission |
1μW max. [Model: NJR4251] 2.5μW max. [Model : NJR4251J] |
|
AЬsolute Maximum Ratings |
||
|
1. |
DC lnput Voltage |
+7 Vdc |
|
2. |
Operating Temperature Range |
-30 to +60℃ |
|
3. |
Storage Temperature Range |
-40 to +80℃ |
|
4. |
Relative Humidity |
95 % at 35℃ |
|
5. |
ViЬration |
G=10 (f=30,50 Hz, t=10min., Direction; Х, У, Z) |
|
6. |
Shock |
G=20 (Half Sine, 10msec., Direction; Х, У, Z) |
|
Regulation |
||
|
1. |
Regulation for compliance |
ETS 300 440 / FCC Part 15 [Model: NJR4251] Japanese Radio Law [Model : NJR4251J] |