Bird Brain AT-400 manual Measurement Units

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Bird AT-400 Antenna Tester

Figure 5

 

Single

1.35

Frequency

260.00 MHz

1.21.5

VSWR

Freq

Units Manual

Auto

Audio

MHz

Scale

Scale

Off

Measurement Units

Rho (Reflection Coefficient), VSWR (Voltage Standing Wave Ratio), Match Efficiency (%), and Return Loss (dB), are different units of measurement that can be used to present the same information. (Similarly, Celsius and Fahrenheit are different units of measurement used to express the same temperature). These units can be used to express the degree of match between an antenna system and a transceiver.

Rho is the ratio of reflected wave voltage to forward wave voltage. A perfect antenna would not have any reflected waves, hence would have a 0.00 reflection coefficient.

VSWR refers to the ratio of maximum and minimum voltages that are set up on a transmission line resulting from the combination of a forward wave and reflected wave. If the antenna system is perfectly matched, the VSWR would be 1:1 and shown as 1.00.

Match Efficiency (%) indicates how much of the transmitted power is being used and how much is wasted. If the antenna system is perfectly matched, the Match Efficiency would be 100%.

Return Loss (dB) is a comparison of the reflected signal to the forward signal in decibels. If the antenna system is perfectly matched, the Return Loss would be negative infinity dB.

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Contents Operator Manual AT-400 Antenna Tester Page Safety Precautions Shock Hazard Avoid Static Discharge Safety Statements Page Bird AT-400 Antenna Tester About This Manual Chapter Layout Page Table of Contents Chapter Items SuppliedComponent Description Component DescriptionRight Arrow Display Description 109Blinks when sweeping Features Optional Equipment Bird AT-400 Antenna Tester Basic Operations Getting StartedLeft Arrow Key Setting the Auto Shut-Off Timer MessagesOut of Range Values Return to Factory Presets Software Parameter Factory SettingSet Serial Baud Rate Bird AT-400 Antenna Tester Installation Power SupplyConnecting the Antenna Avoid Static DischargeUnderstanding the Operating Modes Swept Frequency vs. Single FrequencyMeasurement Units Auto Scale vs. Manual Scale Sweep Type-Single Hold vs. Continuous Swept Frequency Select Frequency BandSelect Measurement Units Select Auto or Manual ScaleSelecting the Sweep Type Saving a TraceRecalling a Trace Save a TraceLimit Testing Clearing a TraceTurn Audio On/Off Selecting Limit ValuesUsing a Trace as the Limit Press the Trace Limit keySingle Frequency Clearing a LimitSelecting the Frequency Select Measurement Units Turn Audio On/Off Field Strength Measurement Enter Gain Factor / Select Auto GainBird AT-400 Antenna Tester Cleaning CalibrationCharging Batteries Power-up Operational TestsBattery Test Display TestSelf Test Display TestBattery Replacement Fuse Replacement Battery / Fuse ReplacementTroubleshooting Antenna Tester will not power upNvram Test Fails Stuck Keys Test Fails Noise is Displayed During TestingROM, EEPROM, RAM, A/D, TEMPR, PLL Test Fails Antenna Tester indicates a Perfect MatchCustomer Service Bird Service CenterParts List Specifications Menu Structure Limited Warranty

AT-400 specifications

The Bird Brain AT-400 is a cutting-edge unmanned aerial vehicle (UAV) designed for versatility and performance in various applications such as surveillance, surveying, and environmental monitoring. This advanced drone incorporates state-of-the-art technologies and features that set it apart in the rapidly evolving drone market.

One of the standout features of the Bird Brain AT-400 is its exceptional flight stability and maneuverability. With a lightweight carbon-fiber frame, the AT-400 boasts an aerodynamic design that ensures efficient flight even in challenging weather conditions. The aircraft is equipped with advanced navigation systems, including GPS and inertial measurement units (IMUs), enabling it to maintain precise positioning and altitude control.

Powered by a high-capacity lithium-polymer battery, the AT-400 offers an impressive flight time of up to 45 minutes, depending on payload and environmental conditions. This extended operational time allows users to cover large areas without frequently returning to base for recharging.

The AT-400 is designed for modularity, allowing users to easily switch out payloads according to mission requirements. It can support various sensors, including high-resolution cameras, thermal imaging devices, and multispectral sensors for agricultural monitoring. This flexibility makes it ideal for industries such as agriculture, construction, and disaster management.

Another critical feature of the Bird Brain AT-400 is its advanced data transmission system. The UAV utilizes real-time video and data transmission capabilities, allowing operators to monitor live feeds and collect important information during flight. This system ensures that critical data is available immediately, enhancing decision-making processes on the ground.

Safety is a paramount consideration in the design of the AT-400. The aircraft is equipped with multiple redundancy systems, including dual electronic speed controllers and fail-safe mechanisms to ensure that it can safely return to base in the event of an emergency.

In terms of user experience, the Bird Brain AT-400 comes with an intuitive ground control station, featuring a user-friendly interface that simplifies mission planning and operation.

Overall, the Bird Brain AT-400 combines powerful performance with innovative technology and user-centric design, making it an excellent choice for both professional and recreational drone enthusiasts seeking reliability, efficiency, and adaptability in the field.
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