RigExpert AA600 antenna analyzer View larger

RigExpert France

RIGEXPERT-AA650-1275

New product

Ukraine

Antenna analyzer AA-650 Rigexpert 0.1-650Mhz Bluetooth (ex. AA-600)

The RigExpert AA-650 (former AA-600) is a powerful antenna analyzer designed to test, verify, tune or repair antennas and antenna feed lines operating from 0.1 to 650 Mhz and with bluetooth.

The measurement of the SWR (standing wave ratio, SWR), the impedance, as well as the Smith / polar chart make it possible to reduce the time required for tuning an antenna and to optimize the performance of an antenna. radio communication station.

This analyzer does not require calibration to start measuring and the analyzer can connect to a PC to retrieve data.

Supplied with: 1 RigExpert AA-650, 1 soft case with straps, 3 rechargeable NiMH batteries, 1 battery charger, 1 USB cable, 1 N-UHF adapter, 1 user manual.

More details

859,00 € tax incl.

715,83 € tax excl.

Out of stock, available within 2 to 3 weeks

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Data sheet

Frequency range: 0.1 to 650 MHz

Frequency input: 1 kHz resolution

Measurement for 25, 50, 75 and 100 Ohm systems

SWR measurement range: 1 to 100 in digital mode, 1 to 10 in graphics mode

SWR display: digital or easily readable bar

R and X range: 0 ... 10000, -10000 ... 10000 in digital mode, 0 ... 1000, -1000 ... 1000 in graphic mode.

Display modes:
- TOS at one or more frequencies
- SWR, return loss, R, X, Z, L, C at a single frequency
- TOS graph, 80 points
- R, X graph, 80 points
- Smith's graph (or polar), 80 points
- TDR graph (Time Domain Reflectometer)

Optional calibration of short-circuited load in TOS, R, X or Smith / polar chart mode.

RF output:
- Connector type: N female
- Shape of the output signal: square, 0.1 to 200 MHz. For higher frequencies, harmonics of the main signal are used.
- Output power: -10 dBm (at a load of 50 Ohm)

Power :
- Three 1.2V batteries, 1800 to 3000 mAh, Ni-MH, type AA
- Max. 3 hours of continuous measurement, max. 2 days in standby mode when fully charged batteries are used.
- When the analyzer is connected to a PC or to a DC adapter with USB socket, it is powered by these sources.

Interface:
- 320 × 240 color TFT display
- Waterproof keyboard with 6 × 3 keys
- Multilingual menus and help screens
- USB connection to a personal computer

Dimensions: 23x10x5.5 cm

Operating temperature: 0 to 40 ° C

Weight: 650g
Guarantee: 2 years

The RigExpert AA-600 is made in Ukraine. Specifications are subject to change without notice by the manufacturer.

Structure diagram

The RigExpert AA600 antenna analyzer structure diagram can be found below:

The brain of the analyzer is an Atmel 8-bit RISC microcontroller. It controls an AD9958 DDS chip operating at 500 MHz and generating two sine wave signals. The two signals are filtered by a low pass filter and then pass through pulse shapers, producing two square waves with LVDS levels.

After the switch, the signal is mixed with the output of the second channel to produce an audio frequency of 2 kHz. A variable attenuator is used to keep the level of the audio signal within the desired range. This signal is then filtered and transmitted to the microcontroller via the 16-bit ADC. There is a simple relationship between the measurement frequency, DDS frequencies and the attenuator dividing ratio:

Sub-bandMeasurement of
frequency
Frequency
DDS1
Frequency
DDS2
Frequency
harmonic
Report of
attenuator
1
(AA-600, AA-1000 and AA-1400)
0.1 - 200 MHz0.1 - 200 MHzDDS1 + 2 kHz1/ 25
2
(AA-600, AA-1000 and AA-1400)
200 - 600 MHz67 - 200 MHzDDS1 + 667 Hz3/ 3
3
(AA-1000 and AA-1400)
600 - 1000 MHz120 - 200 MHzDDS1 + 400 Hz5/ 1
4
(AA-1400 only)
1000 - 1400 MHz142 - 200 MHzDDS1 + 286 Hz7* 2

The 320 × 240 TFT color display and 6 × 3-key keypad are connected directly to the central unit. The analyzer is equipped with 128K of external flash memory to store measurement results, as well as 32K of fast external FRAM. The USB interface chip is used to connect the analyzer to the PC.

Deck details

Here is a diagram of the resistive bridge and its connection to the mixer:

The switch which is controlled by the central unit feeds the signal from the certain side of the bridge to the mixer chip. When the load is fully active and its resistance is 50 Ω, the bridge is balanced and the switch emits the same signal in both positions. This eliminates the need to calibrate the analyzer, also giving a very good precision in the neighborhood of SWR = 1.

RigExpert AA-600 - Screenshots

Main menu (page 1)
Main menu (page 2)
SWR measurement
Help screen for one of the measurement modes
MultiSWR mode - numeric values
MultiSWR mode - bars
"Mode" Show all
TOS graph
R, X graph
Smith's graph

Cursor data screen

Save to memory screen

Memory edit screen
Calibration screen
Time Reflectometer Graph
Settings screen (page 1)

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