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MLA-M

MLA-M

Magnetic Loop Antenna - Multiband

Instruction Manual

Thank you for purchasing this new product  small Magnetic Loop 

Antenna  Multiband. Manual contains important information.

Please read all instructions carefully before operating the antenna.

B P L U S T V a . s .

Содержание MLA-M

Страница 1: ...a Multiband Instruction Manual Thank you for purchasing this new product small Magnetic Loop Antenna Multiband Manual contains important information Please read all instructions carefully before operating the antenna B P L U S T V a s ...

Страница 2: ... is min abt 10 dB But antenna MLA M is supposed to be acceptable compromise which enables to carry on the radioamateur hobby not only for portable QTH but for example in condominium with restricted possibilities of building classic antennas in conservation urban areas etc MLA M is ideal for the communication through digital modes with sofisticated protocoles convinient for very low signals The los...

Страница 3: ...he antenna in whole range of HF frequencies and input impedance is very near to 50 j0 Ohm For another types of feeding circuits for magnetic antenna it is in principle unpossible Switching among low and high bands by means of mechanical switching of jumper inside the box of antenna 14 28 MHz fig 3 J2 J1 represents in case of desktop design of MLA M also no problem see figs 4 6 It is necessary to e...

Страница 4: ... both variable condensers Then in TX regime with input max 10 W we must find by changing the ratio of capacitance of both condensers the very small value of SWR Due to very high quality Q of the antenna circuit especially in mode with two turns figs 2 and 3 is the selectivity of the antenna so high that correct tuning changes even under the influence of closeness of operators hand a few attempts a...

Страница 5: ... field is not fully recognized so set the proper distance from antenna Do not try to use power higher than 10 W danger and possibility of the breakdown of some parts Antenna MLA M is not constructed for outdoor usage and is not waterproof Take it into consideration if you place it for example on the balcony etc Important safety warning Photo page 4 B PLUS TV a s Požárnická 140 742 83 Klimkovice Cz...

Страница 6: ...M MLA M Measurement protocols fig 10 fig 11 B P L U S T V a s page 5 B PLUS TV a s Požárnická 140 742 83 Klimkovice Czech Republic phone 420 556 420 360 fax 420 556 420 301 e mail btv btv cz http www btv cz ...

Страница 7: ...M MLA M fig 12 fig 13 B P L U S T V a s page 6 B PLUS TV a s Požárnická 140 742 83 Klimkovice Czech Republic phone 420 556 420 360 fax 420 556 420 301 e mail btv btv cz http www btv cz Measurement protocols ...

Страница 8: ...M MLA M fig 14 fig 15 B P L U S T V a s page 7 B PLUS TV a s Požárnická 140 742 83 Klimkovice Czech Republic phone 420 556 420 360 fax 420 556 420 301 e mail btv btv cz http www btv cz Measurement protocols ...

Страница 9: ...M MLA M fig 16 fig 17 B P L U S T V a s page 8 B PLUS TV a s Požárnická 140 742 83 Klimkovice Czech Republic phone 420 556 420 360 fax 420 556 420 301 e mail btv btv cz http www btv cz Measurement protocols ...

Страница 10: ...M MLA M fig 18 fig 19 B P L U S T V a s page 9 B PLUS TV a s Požárnická 140 742 83 Klimkovice Czech Republic phone 420 556 420 360 fax 420 556 420 301 e mail btv btv cz http www btv cz Measurement protocols ...

Страница 11: ... MLA M fig 20 fig 21 B P L U S T V a s page 10 B PLUS TV a s Požárnická 140 742 83 Klimkovice Czech Republic phone 420 556 420 360 fax 420 556 420 301 e mail btv btv cz http www btv cz Measurement protocols ...

Страница 12: ... MLA M fig 22 fig 23 B P L U S T V a s page 11 B PLUS TV a s Požárnická 140 742 83 Klimkovice Czech Republic phone 420 556 420 360 fax 420 556 420 301 e mail btv btv cz http www btv cz Measurement protocols ...

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