| Product Overview

KSW-VSG03 RF Signal Generator covers a frequency range of 4KHz-7.5GHz, enjoying excellent vector modulation performance. The built-in baseband signal generator features easy settings, flexible performance, and various modulation patterns, and it also supports editing or downloading of the waveform required for configuration according to users' needs to simulate various complex signals.

With a maximum 680MHz sample rate, KSW-VSG03 can meet the needs of large bandwidth signal simulation. It can provide excellent continuous waveform signals and vector modulation signals, making it an ideal source of both local oscillator signals and clock signals, as well as a high performance source of complex vector modulated analog simulation signals.

KSW-VSG03 is widely used in mobile communication system testing, high-performance receiver testing and element parameter testing, etc., covering many fields including aviation, aerospace, communication and navigation equipment. 

| Main Features

Frequency range: 4kHz-7.5GHz

Built-in wideband/baseband signal generator

Equipped with both touch screen and physical keys, combined with the block diagram structure, making the operations more intuitive

Supporting three types of hardware specifications

Baseband supporting PSK\MSK\APSK\QAM and other common digital modulation signals

Providing multiple waveform generation software integrating various important digital communication protocols, and supporting custom waveform files

Large dynamic range signal output with high spectrum purity, suitable for high precision spectrum and modulation measurements

| Main Technical Data

Internal baseband: 680MHz I/Q sample rate.

Maximum RF bandwidth: 340MHz

Waveform length: Maximum 1GSample

Frequency switching time: ≤ 4ms

Spurious suppression: ≤ -58dBc

Harmonic suppression: ≤ -30dBc

EVM: < 0.5% @ typical value, 5G NR, FR1

ACPR: <-68dBc@WCDMA 64 DPCH, 1.8~2.2GHz；<-54dBc@5G NR, FR1

In-band flatness: ≤ ±0.35dB@BW ＜ 200MHz.

Frequency accuracy/stability: ≤ 0.5×10-7 

Phase noise:

1) < -106dBc@F = 1GHz， 100Hz SSB；

2) < -129dBc@F = 1GHz， 1kHz SSB；

3) < -139dBc@F = 1GHz， 10kHz SSB；

4) < -141dBc@F = 1GHz， 100kHz SSB；

5) < -141dBc@F = 1GHz， 1MHz SSB；

6) < -151dBc@F = 1GHz， 10MHz SSB；

Pulse modulation: On/off ratio > 80dB, rise/fall time < 10ns

Narrowband pulse: 20ns   Output power resolution: 0.01dB

Output power precision: < 0.3dB@ -45dBm-MAX

Dynamic output power range:

1) -120～ +18dBm(PEP)@100kHz~10MHz

2) -120～ +24dBm(PEP)@10M~6GHz

3) -120～ +22dBm(PEP)@6GHz~7.5GHz

Support trigger input/output, internal reference output: 10MHz, 100MHz

External reference input range: 5-100MHz

External control interface: LAN, SCPI instruction

Dimension: Standard 19-inch 4U rack-mounted structure/333×315×192 (L × W × H mm)/330×230×60 (L × W × H mm)

| Software Function

LTE Signal Generation Software

1) Support uplink/downlink TDD/FDD signal generation;

2) Support uplink/downlink RMC/TM test signal generation defined by LTE conformity test;

3) Support user-defined signals: Time-frequency resource and modulation parameters of LTE physical channels can be configured, including uplink PRACH, PUCCH,  and PUSCH, and downlink PBCH, PDCCH, PDSCH, PMCH, PHICH, and PCFICH;

4) Support SS and various RS configurations;

5) Support PUCCH format 1/1a/1b and format 2/2a/2b configurations;

6) Support PDSCH and PUSCH MCS configurations, maximally supporting 64QAM;

7) Support user-defined signal generation, channel coding on/off, interleave/non-interleave functions;

8) Support modulation parameter configuration: Carrier frequency, system bandwidth, roll-off factor, normalized sample rate and other parameters can be configured according to users' needs;

9) Support signal to noise ratio setting: Users can set the C/N ratio;   10) Support waveform file generation.

5G NR Signal Generation Software

1) Support uplink/downlink TDD/FDD signal generation and cmw/mmw signal generation;

2) Support uplink/downlink FRC/TM test signal generation defined by TS38.141;

3) Support user-defined signals: Time-frequency resource and modulation parameters of NR physical channels can be configured, including uplink PRACH, PUCCH, PUSCH, and SRS, and downlink PBCH, PDCCH, PDSCH, and CSI;

4) Support SSB pattern, PDCCH aggregation level, and various RS configurations;

5) Support PUCCH format 0/1/2/3, format A0/A1/A2/A3, format B1/B2/B3/B4, and format C0/C2 configurations;

6) Support PDSCH and PUSCH MCS configurations, maximally supporting 256QAM;

7) Support NR Numerology Mode, BWP and CORESET configurations;

8) Support modulation parameter configuration: Carrier frequency, system bandwidth, roll-off factor, normalized sample rate and other parameters can be configured according to users' needs;

9) Support signal to noise ratio setting: Users can set the C/N ratio;

10) Support waveform file generation.

1) Support a variety of intra-pulse modulation modes: None, BPSK, QPSK, 8PSK, QAM, Barker, FM Chirp, FM Step, AM, ASK, AM Step, MSK, Frank Code, P1, P2, P3, P4, Custom IQ, Custom Phase Pattern, etc.;

2) Support a variety of repetition frequency methods: Constant sequence, burst sequence, linear increasing sequence, step sequence, random sequence, custom sequence, etc.;

3) Support pulse envelope settings: Rectangle, trapezoid, raised cosine, sawtooth, and custom.

4) Support frequency hopping: Linear increasing sequence, step sequence, random sequence, custom sequence, etc.

5) Support continuous waveform Radio detection signal: BPSK/QPSK phase modulation, with code type of random sequence, and adjustable code element width;

6) Support antenna type and scan mode settings: Antenna types (omnidirectional, Gauss, Sink, plane phased array, dipole, parabolic, cosecant-squared, pyramidal, user-defined, etc.), and antenna scan types (circumferential, sector, raster, conical, spiral, nodding, sinusoidal, sawtooth, Lissajous, user-defined, etc.).

7) Support target trajectory settings.

WiFi Signal Generation Software

1) Support 802.11ax SU/EXT-SU/MU, STBC/DCM functions, and High doppler mode; 2) Support 802.11n/ac OFDM Non-HT/HT/VHT, and STBC function;

3) Support 802.11p, 802.11b/g DSSS, and 802.11a/g/j OFDM;

4) Support modulation parameter configuration: Carrier frequency, system bandwidth, roll-off factor, normalized sample rate and other parameters can be configured according to users' needs;

5) Support Packets number, Idle time, and Window transition time settings;

6) Support custom filter function;

7) Support signal to noise ratio setting: Users can set the C/N ratio;

8) Support waveform file generation.

Multi-target Signal Generation Software

1) Number of targets in single channel: 10;

2) Each target supports dynamic output power variations;

3) Each target supports dynamic carrier frequency conversion;

4) Each target supports different bandwidths and waveforms (each target bandwidth is not greater than the maximum bandwidth).