Accessories

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Band and Antenna Switching Output Ports
$23.95
S Meter Standard Reference
$24.95
IQ Balancing Aid / 10 Watt Dummy Load
$28.95
Proficio Transceiver Enclosure Panels
$20.99
ATU Port Expander
he ATU Port Expander is a device that attaches to a Multus Basic or Proficio transceiver’s ATU port, interprets band data sent to it and selects a corresponding output port for the activation of relays (or other devices) such as a low pass filter relay(s). It also provides a separate output port for the activation of a two port remote antenna switch such as the MFJ-4712 (via a bias tee). Each output port is capable of sinking 350ma and has a maximum input voltage of 50V. The ATU Port Expander is well suited for driving inductive loads (relays).

Features:
*Compatible with ATU port of the Basic and Proficio transceivers.
*Six output ports (50V maximum voltage, 350ma per port).
*Separate antenna switch port.
*Port selection configuration via selection jumpers.

The ATU Port Expander is sold as a kit and contains SMT devices. A bare bones option is available that provides the PCB, programmed microprocessor and socket. A bill of material is available on our support forum.
Technical support and documentation is located at: Support:
Please do not use this website to obtain technical support. Requests for technical support via this website will not receive a response.
NOTE: These kits are produced at time of order. There is a two day lead time before shipping the kit.
Band and Antenna Switching Output Ports
$23.95
SMSG (S Meter Signal Generator)
The SMSG (S Meter Signal Generator) is device that generates a selectable S9 or S4 signal in one of 4 selectable bands. The SMSG is useful for calibrating the S Meter of any receiver or transceiver. It is particularly useful for calibrating the S Meter of a SDR application such as HDSDR or GSDR and others.

Specifications: Output Impedance: 50
Output Level: S4:1.6uV (-103dBm), S9:50uV (-73dBm)
Amplitude Accuracy: S4: +/- 3dB, S9: +/- 3dB
Output Frequency: 80M (3.686MHz) +/- 30ppm
40M (7.040MHz) +/- 50ppm
30M (10.116MHz) +/- 30ppm
20M (14.070MHz) +/- 30ppm

The SMSG is sold as a kit and contains SMD devices. It is easy to build and will take about 2 hours for an experienced builder.

Technical support and documentation is located at: Support
Please do not use this website to obtain technical support. Requests for technical support via this website will not receive a response.

Enclosure not included.
S Meter Standard Reference
$24.95
IQBD (IQ Balance Detector)
The IQBD (IQ Balance Detector) is a device to aid in determining the correct balance of the IQ audio signal sent to a Multus SDR, LLC. transceiver. Most transceivers (including the Proficio) that implement Tayloe mixers to generate the transmitted RF signal may need small adjustments to the balance of the two channel I/Q audio signal provided to the transceiver. If the I/Q signals are too far out of balance, an image signal is produced in the transmitted RF signal. MSCC configures a default set of I/Q values for each transceiver version.  The default values set the I/Q balance well within the limits for spurious radiation. However due to minor variations in assembly of the transceiver, the I/Q balance may not be optimal. With I/Q calibration, the image signal can be reduced to well below 60db below carrier.

Determining the strength of the image signal is often performed by listening to the transmitted signal on a second receiver or transceiver. The IQBD eliminates the need for a second receiver or transceiver.

The IQBD also serves as a general purpose 50Ω dummy load.  Maximum input power is 10 watts.

Features:
  1. Highly sensitive to IQ out of balance conditions.
  2. LED IQ balance visual indicator.
  3. Audio IQ balance output indicator.
  4. 10W maximum input power.
  5. Powered 13.8V supply or 4 CR2032 Button Cell Batteries (supplied).

The IQBD is sold as a kit and contains SMT devices.
Technical support and documentation is located at: Support.
Please do not use this website to obtain technical support. Requests for technical support via this website will not receive a response.
NOTE: These kits are produced at time of order. There is a two day lead time before shipping the kit.
IQ Balancing Aid / 10 Watt Dummy Load
$28.95
Proficio Enclosure Panels

The Proficio enclosure panels feature custom front and rear panels and cooling fan for an enclosure that may be ordered directly from a number of distributors. It is easy to assemble. 

Please choose during checkout if you want standard front panel or the MFC front panel


NOTE: This product includes only the front panel, rear panel and cooling fan.  For the enclosure, it may be obtained online from a number of suppliers.  Listed below is the part number for ordering the enclosure from Digi-Key or Mouser.  The cost is approximately $45.74 (plus shipping).  Click one of the links below to order the enclosure.

Digi-Key: HM2530-ND Enclosure
Mouser: 546-1402BV Enclosure
Hawk Electronics: 1402BV Enclosure

This reduces the lead time and cost. 

Technical support and documentation is located at: Support
Please do not use this website to obtain technical support. Requests for technical support via this website will not receive a response.
Proficio Transceiver Enclosure Panels
$20.99
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