DreamCatcher ME1000 RF, Quick Start Manual

Page: 14 / 23

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ME1000 RF Circuit Design
Quick Start Guide - 14/23
•
Reconnect the spectrum
analyzer to the IF Out port.
•
Use the jumper cable to
connect the Synthesizer Out
port to the Mixer LO In port.
•
Connect the signal generator
(50 MHz,
–
15 dBm) to the Mixer
RF In port.
•
Check the spectrum analyzer to
see if the mixer produces any
intermodulation products such
as (±n818 ± m50) MHz.
Verifying the End-To-End
Transmitter
•
Reconnect the spectrum
analyzer to the Bandpass Filter
Out port.
•
Use the jumper cables to
connect all the ports as shown
on the right.
•
Click Power Amplifier Off to
turn on the power amplifier.
•
Check the spectrum analyzer
whether the signal generator
output is upconverted from
50 MHz to 868 MHz.
•
Power off the signal generator.
50 MHz
–15 dBm
818 MHz
Spectrum analyzer
Signal generator
50 MHz
–15 dBm
818 MHz
Spectrum analyzer
Signal generator
868 MHz
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N9310A Signal Generator setting:
Frequency: 50 MHz
[Frequency] > [50] > {MHZ}
Amplitude:
–15 dBm
[Amplitude] > [+/–] > [15] > {dBm}
Turn off Mod.: [MOD On/Off]
Turn on RF Out: [RF On/Off]
N9320B Spectrum Analyzer setting:
Center Freq: 818 MHz
[Frequency] > [818] > {MHZ}
Span: 500 MHz
[SPAN] > [500] > {MHZ}
Note: Reduce the SPAN value to get a
more accurate frequency measurement
N9320B Spectrum Analyzer setting:
Locate signal with Marker: [Peak Search]
Next Peak search: {Next Peak}