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1. an auxiliary relay driver board to protect any decoder with solid state drivers Remember that the best protection is a galvanic isolation with a high isolation voltage microHAM 2011 All rights reserved Cable length vs Wire Size If antenna switch is located some distance from the decoder or controller it is necessary to use a cable of the appropriate length and wire size Cable length Conductor diameter Conductor Cross section AWG m ft mm mm 2 50 150 0 4 0 14 26 100 300 0 5 0 2 24 300 1000 0 8 0 5 20 It is helpful although not necessary to use a shielded cable with the shield used as an added ground lead to reduce voltage losses Connect one end of the cable to the terminals of antenna switch and solder the other end to an appropriate connector for your controller or band decoder micro Six Switch requires a cable with seven conductors six antennas plus return ground it is convenient to use shielded CAT5 CAT6 cable and parallel the extra wire plus shield with the seventh return conductor Shielded CAT5 CAT6 with the extra return conductors will be more than sufficient for 300 m 1000 ft CONFIGURATION The antenna switch enables switching 6 antenna ports The basic configuration is such that each primary contest band from 160m to 10m has a separate antenna port port 1 for 160m port 2 for 80m etc The microHAM Band Decoder discontinued and microHAM Station Master Port2. A have a DB25 connector for connecting antenna switches Typical connection information is shown in the following table Band DB25M Antenna port 160 20 1 80 21 2 40 22 3 20 23 4 15 24 5 10 25 6 GND 18 19 Table 2 microHAM 2011 All rights reserved If you have multiple antennas on one band it will be necessary to select them using external switch For example Band Antennas 160 Dipole 80 Delta Loop Inverted V 40 XM 402 20 15 10 Tribander 30 17 12 WARC Tribander Typical connecting cable with auxiliary switch Fig 6 Assign Decoder outputs and connect antennas to the switch ports as shown Decoder Output Antenna Switch Port 160 Dipole 1 80 Delta Loop 2 80 Inv V 3 40 XM 402 4 20 15 10 Tribander 5 30 17 17 WARC Tribander 6 An external two position switch or Band Decoder option will be needed for 80 meters Station Master includes the option to select from among multiple antennas per band microHAM 2011 rights reserved Manual Control microSIX Switch is also usable without an automatic Band Decoder In such case the user will need to supply a manual 1 of 6 switch The design for such a switch is shown at Figure 7 cable from Antenna Switch Manual Switch Box Fig 7 microHAM 2011 rights reserved TYPICAL PERFORMANCE The following figures show measureme
3. he original invoice to the distributor from whom you purchased the product microHAM will pay return shipping What is not covered This Limited Warranty does not cover 1 damage caused by misuse negligence user modifications or failure to follow the user manual 2 connection to improper or excessive voltage or voltage surges 3 the incorrect installation of any cables connected to the device by the user 4 weather related storm lightning or electrostatic discharge damage or 5 damage due to switching with RF power applied hot switching microHAM assumes no liability or responsibility for damage to other devices or injuries to persons as a conseguence of using our products If the terms of the above warranty are not acceptable return the unit all associated documents and accessories in the original unopened package prepaid to microHAM or to your supplier for refund less shipping and a restocking fee 13 microHAM 2011 All rights reserved SPECIFICATIONS Frequency range 1 7 60 MHz Characteristic impedance een 50 ohm Number of antenna ports 6 Number of inputs 5 sis ni nine es 1 Supply voltage sisi 12 to 16V DC to select Consumption E max 80mA Isolation voltage of relays nen 10KV Connectors PTFE SO239 or N depending o
4. m back side push part 2 onto the screws with teeth to the mast and fix using washers and nuts Then using 4 short screws and lock washers 4 install the box of the antenna switch Finally attach the antenna switch lid using the four captive screws from the bottom side The installation procedure is illustrated on Fig 3 Fig 3 Before fixing the switch lid carefully dry the whole box and the lid optionally insert humidity absorber into the box After installation and functional testing fix and tighten all connectors and insulate them using a suitable tape Also insulate all unused ports or use protection caps microHAM 2011 All rights reserved Connecting the Switch micro SIX SWITCH connects directly to microHAM Station Master or other band decoders and antenna selectors providing 12 to 16 volts to select an antenna Connect terminals 1 6 shown at the right in figure 4 below to the antenna select outputs of your switch or band decoder and connect terminal 7 to the ground or DC return terminal of your controller Fig 4 Configure your controller or band decoder to activate the appropriate output for the desired antenna on each band With some decoders it may be necessary to use summing diodes or connect multiple outputs to a single control lead for example when using a multiband antenna If the micro SIX SWITCH is going to be placed outside your band decoder should have relay outputs or you should use
5. microHAM 2011 All rights reserved micro SIX SWITCH microHAM fax 421 2 4594 5100 e mail support microham com homepage www microham com 5 December 2011 microHAM 2011 All rights reserved TABLE OF CONTENTS CHAPTER PAGE 1 IMPORTANT WARNINGS 3 2 DESCRIPTION P 3 3 CHARACTERISTICS AND FUNCTIONS es 3 A INSTALLATION E rice ka nant Ki nin d OC X OD XH GA xe aia 5 5 CONFIGURATION nn emmener UA ea 8 B TYPICAL PERFORMANCE nea o o 10 7 PACKAGE CONTENTS accentue 13 8 WARRANTY 13 9 SPECIFICATIONS 14 microHAM 2011 All rights reserved IMPORTANT WARNINGS DESCRIPTION micro SIX SWITCH antenna switch is remotely operated antenna switch antenna relay It can select six antennas to a single common port output and can be installed either in the shack or on the tower CHARACTERISTICS AND FUNCTIONS 6 antenna positions enable use of separate antennas for up to six bands massive cast aluminum wall thickness 4mm 0 158 IP 66 class enclosure with O ring seal guarantees a high level of protection against weather and RF interference enclosed relays have insulation voltage of 10KV contacts are of high silver content alloy microstrip PCB architecture with a compensated stub provides low SWR and insertion loss in the range of 1 7 to 54 MHz integrated surge protec
6. n version lj qe a A 2 MHz lt 1 00 1 30 MHz lt 1 07 1 50 MHz 1 12 1 Insertion loss sssssem eene 2 MHz 0 01 dB 30 MHz 0 02 dB 50MHz 0 05 dB Isolation 2 MHz gt 80 dB 30 MHZ gt 58 dB 50MHz gt 50 dB Guaranteed power rating SWR Eg ne 30 MHz lt 5KW 50 MHz lt 3KW 30 MHz lt 3KW 50MHz lt 2KW SWR lt s c E NU 30 MHz lt 2KW 50MHz lt 1 5KW Operating temperature 35 70 31 158 F Dimensions W 220mm 8 66 x H 103 mm 4 x D 120 mm 4 72 Weight e 2 2 kg 4 85 lbs 1 1 kg 2 42 lbs fixture 14
7. nts on port 1 More detailed results for all ports are available at www microham com SWR bi Reflection M SWR A 1 Ref 1 04 C b2 Off w a m a x 1 4 LIS Fig 7 SWR is measured from the input to any antenna port 10 microHAM 2011 rights reserved Insertion loss Se Fi T Lu s 0 C a a N E a gt C c Fr M d2 54 EN A S X C2 V Fig 8 11 microHAM 2011 rights reserved Isolation b1 OFF b2 Transmission Log Mag 18 0 dB Ref 8 08 dB C 3 65 7 18 14 28 21 28 28 50 58 00 Fig 9 Isolation is measured as the signal level at any unused port relative to the signal level from the input with the selected port terminated in 50 ohms 12 microHAM 2011 rights reserved PACKAGE CONTENTS The product includes micro SIX SWITCH and mounting bracket If the shipment is incomplete please contact us at the following address E mail support microham com fax 421 2 4594 5100 by Post microHAM s r o Nadrazna 36 90028 Ivanka pri Dunaji SLOVAKIA WARRANTY microHAM warrants this product for three 3 years The product must not be modified in any way or the warranty is voided What is covered During the warranty microHAM s r o will repair or replace defective product at their sole discretion You must send the unit postpaid with a copy of t
8. tion compatible with any band decoder with 12V source output lid screws are secured against fallout easily installable to wall or to tower using a massive fixture in shape of double C enabling installation on tubes tower legs of various diameters all antenna ports are grounded without power all unselected antenna ports are grounded microHAM 2011 All rights reserved INSTALLATION The antenna switch is intended to be used either inside or outside Installing inside the shack If the switch is operated inside the shack it can be installed in any position It can be installed onto the wall using 4 screws see Fig 1 Fig 1 or using the L fixture connectors up or down see Fig 2 Fig 2 microHAM 2011 All rights reserved Installing outside the shack When installed outside the shack on a tower the orientation of switch is of great importance Mounting the switch in any way other than connectors down may result in moisture leakage into the enclosure Moisture accumulation may cause improper operation adversely influence function and even may result in a failure of the switch Always install the switch in position with connectors down Use the L plate and the double C clamps First install the mounting hardware to the tower position the part 1 next to part 2 Push the long screws 3 through these parts and fix the screws inside part 2 using washers and nuts Place these parts on the tower fro
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