CPT7 Electrical and Environmental Specifications
Operating Temperature |
-40°C to +71°C |
Storage Temperature |
-40°C to +85°C |
Humidity |
95% non-condensing |
Submersion |
2 m for 12 hours (IEC 60529 IPX8) |
Water Resistance |
MIL-STD-810H, Method 512.6 |
Dust Resistance |
MIL-STD-810H, Method 510.7 IEC 60529 IP6X |
Random Vibration |
MIL-STD-810H, Method 514.8, Category 24, 7.7 g RMS |
Sinusoidal Vibration |
IEC 60068-2-6 |
Bump |
IEC 60068-2-27 Ea (25 g) |
Shock – Operating |
MIL-STD-810H, Method 516.8, Procedure 1, 40 g, 11 ms terminal sawtooth |
Acceleration |
MIL-STD-810H, Method 513.8, Procedure II (G Loading - 15 g) |
Voltage |
+9 to +36 VDC |
Power Consumption |
9 W typical, all constellations, all frequencies, plus L-Band These are typical values using serial ports without interference mitigation. These values can change with the number of satellites in view, firmware version, data logging rates and features in use. Use them as a guide for what you might expect but not as absolute values |
Inrush Current |
5 A for less than 1.3 ms (@ 12 V; typical) |
Antenna Connectors |
SMA female, 50 Ω nominal impedance |
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Cascaded antenna |
Firmware 7.04 or later |
HDR disabled |
+15 dB to +55 dB, 26 dB typical |
HDR enabled |
+20 dB to +55 dB, 30 dB typical |
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Firmware before 7.04 |
HDR disabled |
+15 dB to +40 dB, 26 dB typical |
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HDR enabled |
+20 dB to +40 dB, 30 dB typical |
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RF Input |
GPS L1: GPS L2: GPS L5: |
1575.42 MHz 1227.60 MHz 1176.45 MHz |
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GLONASS L1: GLONASS L2: GLONASS L3: |
1593-1610 MHz 1237-1254 MHz 1202.025 MHz |
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Galileo E1: Galileo E5a: Galileo E5b: Galileo E5: |
1575.42 MHz 1176.45 MHz 1207.14 MHz 1191.795 MHz |
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BeiDou B1I: BeiDou B1C: BeiDou B2I: BeiDou B2a: BeiDou B2b |
1561.098 MHz 1575.42 MHz 1207.14 MHz 1176.45 MHz 1207.14 MHz |
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L-Band: |
1545 to 1560 MHz (CPT7)1 1525 to 1560 MHz (CPT7700) |
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LNA Power |
+5.0 VDC ±5%, 0 mA to 200 mA (supplied by receiver through center conductor of RF connector). |
Parameter |
Symbol |
|
Conditions |
Minimum |
Typical |
Maximum |
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Input Current |
IIN |
VCC = 0 V, 3.6V, 5.5 V |
VIN = +12 V |
|
80 µA |
125 µA |
VIN = -7 V |
-100 µA |
-50 µA |
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Receiver Differential |
VTH |
-7 V ≤ VCM ≤ + 12 V2 |
-200 mV |
-125 mV |
-50 mV |
|
Receiver Input |
ΔVTH |
VA + VB = 0 V |
|
15 mV |
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There is a 100Ω termination resistor across the DMI_A+ and DMI_A- inputs.