Test of UBX-LW 160M

Test environment description: R&S company equipment is used for testing, the model is ZVL. The test equipments areUSRP-LW X310 and UBX-LW 160M. The two devices are connected by radio frequency cable directly. Test environment diagram:

Open-loop transmitter test connection diagram:

Closed-loop Spontaneous Receiving Test Connection Diagram:

Open-loop and closed-loop test data based on GNU RADIO COMPANION: 1. Carrier suppression and Image Reject Test: Central frequency 10MHz, baseband signal frequency 10kHz, GAIN 9dB

Central frequency 10MHz, Graphics output at maximum gain:

2. Carrier suppression and Image Reject Test: Central frequency 100MHz, baseband signal frequency 10kHz, GAIN 9dB

Central frequency 100MHz, Graphics output at maximum gain:

Central Frequency 100MHz, Closed Loop Transceiver Test Spectrum and Time Domain Graphics

3. Carrier suppression and Image Reject Test: Central frequency 400 MHz, baseband signal frequency 10 kHz, GAIN 9dB

Central frequency 400 MHz, Graphics output at maximum gain:

Central frequency 400 MHz, closed-loop transceiver test spectrum and time-domain graphics

4. Carrier Suppression and Mirror Suppression Test: Central frequency 800MHz, baseband signal frequency 10kHz, GAIN 9dB

Central frequency 800MHz, Graphics output at maximum gain:

Central Frequency 800MHz, Closed-Loop Transceiver Test Spectrum and Time-Domain Graphics