Unex OBU-300 Quick Start Manual page 10

Parameters
VIL (Input low level voltage)
VIH (Input high level voltage)
RPU (Equivalent pull-up)
RPD (Equivalent pull-down)
VOL (Output low level voltage)
VOH (Output high level voltage)
IOL (low level output current)
IOH (high level output current)
EXT_1PPS (J8.12) tolerance
V2X antenna gain
V2X sensitivity
V2X maximum Input Level
V2X adjacent channel rejection
V2X non-adjacent channel rejection
V2X output power
GNSS antenna gain
GNSS sensitivity
GNSS LNA bias
Note:
*1: TX (J8.4) / EXT_GNSS_RX (J8.13)
*2: TRIGGER_SW (SW3.2) = ON
*3: TRIGGER_SW (SW3.2) = OFF
*4: IOL = 10 mA, IOH = -10mA
*5: RX (J8.3) / EXT_GNSS_TX (J8.14)
A printed version of this document is an uncontrolled copy
© 2021 Unex Technology Corporation – Company Confidential
Conditions Min.
Output current -
EXT_1PPS
RESET
-0.3
TAMPER
GPIO1/GPIO2
0.8
RS232
*1
EXT_1PPS
RESET
2.0
TAMPER
GPIO1/GPIO2
-
RS232
*1
EXT_1PPS 32
RESET 1.8
0.9
TAMPER
*2
32
TAMPER
*3
-
GPIO1/GPIO2
*4
-5
RS232
*5
2.5
GPIO1/GPIO2
*4
5
RS232
*5
-
GPIO1/GPIO2
-
GPIO1/GPIO2
-100
Accuracy/Bias
-30
Precision/Jitter
15
Pulse width
-
5850-5925MHz
PER ≤ 10% -92
PER ≤ 10%,
-82
-40 - +85 °C
PER ≤ 10% -
13
-
29
-
Spectrum mask
-
Class C
-
Antenna Gain
24
LNA Gain
*4
-162
Tracking
≤ 20mA 3.0
I
LNA
Doc. No: Unex-QSG-21-001
Typ. Max. Unit
500 900 mA
- 0.8 V
1.5 - V
- 3.6 V
1.8 2.4 V
50 60 kΩ
2.1 2.3 kΩ
1.0 1.1 kΩ
50 60 kΩ
- 0.7 V
-5.4 - V
- - V
5.4 - V
10 18 mA
- -10 mA
- 100 ns
- 30 ns
- - ns
- 5 dBi
- - dBm
- - dBm
- -30 dBm
- - dB
- - dB
- 20 dBm
- -2 dBic
27 30 dB
- -125 dBm
- 3.3 V
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