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VuTxWGM3.7.02.13
VubIQ, Inc.
+1-949-226-7185 [email protected]
9231 Irvine Blvd, Irvine, California 92618 USA www.vubiq.com
13
The Synth Band box is typically set in Auto mode, and will track the Synth Freq
settings. This box allows separate tuning adjustment of the VCO tank circuit for
experimentation (Override Mode).
IF Atten box sets the IF attenuation for either the TX or RX board. The lower the
attenuation level (in dB), the higher the gain setting. When this control is set to 0.0
dB, the IF gain is at maximum. The slider control or drop down menu can be used;
there are 16 settings from 0 dB to 20 dB.
The IF Filter Q box is a coarse IF bandwidth control, providing highest Q
(narrowest bandwidth) at 800 MHz, and lowest Q (widest bandwidth) at 1.2 GHz.
There are 5 settings from 800 MHz to 1.2 GHz
The AM / I-Channel control box (RX only) selects the I-channel demodulator
(default) or the AM detector. When the AM detector is selected, its output signal is
routed through the I baseband channel.
The FM / Q-Channel control box (RX only) selects the Q-channel demodulator
(default) or the FM detector. When the FM detector is selected, its output signal is
routed through the Q baseband channel.
The FM on/off control box (TX only) activates the additional FM switching
modulators in the I/Q modulation stage. When selected, FSK type modulation can
be set up by using the FMI and FMQ baseband signal inputs in conjunction with
the I and Q signal inputs
The baseband signals can be removed from the output stages (effectively shorted to
ground) using the BB Sig Short box (RX only). This feature may be helpful during
testing if no signals are desired (quiet channel) at the baseband outputs.
