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Phase Shift Amplitude Modulation Matrix

NT-VPM-VAMm×n is a bi-directional reciprocal RF phase-shift amplitude-modulation matrix network with m-port input and n-port output, which can control the phase and amplitude of each of the 64 channels, and is suitable for laboratory research on the whole performance of beamforming algorithm products.

Product Description Technical indicators

5G Massive MIMO Test System

NT-VPM-VAM m×n is a bi-directional reciprocal RF phase shifter amplitude modulation matrix network with m-port input and n-port output, which can control the phase and amplitude of each of the 64 channels, and is suitable for the laboratory to study the performance of beamforming algorithms and products. This device is easy to realize MIMO, cell beam splitting and multipath fading simulation experiments in 4G/5G wireless channels.

Product Characteristics

Supports end-to-end wireless performance testing of wireless communication terminals and base station equipment.
It can simulate multipath fading, multi-input and multi-output characteristics and field polarization characteristics of beamforming signals in wireless channels.
It can simulate the beam directivity after beamforming and support MIMO OTA channel simulation.
It can simulate the movement of mobile devices in the wireless channel and realize the simulation of beam tracking.
Compatible with customer's automation platform design, provide interface control script.
With scalability, customized design, can support frequency bands: 1.8-2.7GHz, 2.3-3.8GHz, 3-6GHz, 24-30GHz, matrix size support up to 128 × 128.

Product Parameters

Available product specifications

Frequency range : 1.8-2.7GHz, 2.3-3.8GHz, 3-6GHz.

Input Return : 15dB

Insertion Loss: 40~56dB

Channel isolation: > 50dB

Phase shift range and step: 360°, 1° step

Phase error after calibration: <±3°

Attenuation range and step: 0~120dB, 0.25~1dB step

Calibrated amplitude error: <±0.5dB

Input average power: 30dBm

New Type

serial number	title	model number	Key technical indicators
1	Phase Shift Amplitude Modulation Matrix	NT-VPAM-1X32-2.6	frequency：1.7-2.7GHz
2		NT-VPAM-1X32-3.5	frequency：3.3-3.8GHz
3		NT-VPAM-1X32-6	frequency：3-6GHz
4		NT-VPAM-1X64-2.6	frequency：1.7-2.7GHz
5		NT-VPAM-1X64-3.5	frequency：3.3-3.8GHz
6		NT-VPAM-1X64-6	frequency：3-6GHz
7		NT-VPAM-64X16-2.6	frequency：1.7-2.7GHz
8		NT-VPAM-64X16-3.5	frequency：3.3-3.8GHz
9		NT-VPAM-64X16-6	frequency：3-6GHz
10	Phase Shift Amplitude Modulation Matrix Calibration Matrix	NT-1X32SL (1X32 phase shift amplitude modulation calibration box)	frequency：DC-6GHz
11		NT-1X64SL(1x64 phase shift amplitude modulation calibration box)
12		NT-2X80SL(64x16 phase shift amplitude modulation calibration box)