Wavemach FM-3WM Скачать руководство пользователя | Manualshive

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Electrolytic Capacitors

320 Dixon Rd #302-Toronto-ON-Canada-M9R 1S8 tel# (416) 243-2260

web: http://www.wavemach.com/testing email: [email protected]

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Содержание FM-3WM

Страница 1: ...ci in ng g NOTE PLEASE READ ALL THE INFORMATION IN THIS MANUAL BEFORE OPERATING Introduction The FM 3WM transmitter is a high performance wideband broadcast transmitter board that can be programmed i...

Страница 2: ...i coax cable must be connected to a antenna or 50 ohm non inductive power resistor to provide a proper match to the output transistor If the unit is powered up without correctly terminating the RF out...

Страница 3: ...equal to or less than 875 The chart indicates the highest number is 512 we now have 363 Continue until there is nothing left to subtract Switch Division Frequency Math operation Switches that are off...

Страница 4: ...1 1 1 0 0 89 4 0 1 1 1 1 1 1 0 1 1 0 0 94 5 1 0 0 0 1 1 0 1 1 1 0 0 89 5 1 1 1 1 1 1 1 0 1 1 0 0 94 6 0 1 0 0 1 1 0 1 1 1 0 0 89 6 0 0 0 0 0 0 0 1 1 1 0 0 94 7 1 1 0 0 1 1 0 1 1 1 0 0 89 7 1 0 0 0 0 0...

Страница 5: ...2 0 0 1 1 1 0 0 0 0 0 1 0 99 6 0 0 1 0 0 1 1 1 1 1 0 0 105 3 1 0 1 1 1 0 0 0 0 0 1 0 99 7 1 0 1 0 0 1 1 1 1 1 0 0 105 4 0 1 1 1 1 0 0 0 0 0 1 0 99 8 0 1 1 0 0 1 1 1 1 1 0 0 105 5 1 1 1 1 1 0 0 0 0 0...

Страница 6: ...the jumpers on the board exactly as shown in the photos You will notice that jumpers are also used for L2 L6B and L9B The Jumpers can be any cut off pieces from resistors or caps or other components o...

Страница 7: ...and R36 but there is one missing in Table 1 since this other 10 ohm resistor goes in a spot designated for coil L8B and is indicated in the Table 5 for the coils There is one other resistor that is fo...

Страница 8: ...8 1 8 Watt Resistors 320 Dixon Rd 302 Toronto ON Canada M9R 1S8 tel 416 243 2260 web http www wavemach com testing email fm fmamplifiers com 8...

Страница 9: ...careful not to install them the wrong direction See photos for details STEP 5 Refer to Table 7 Install IC U1 which is the large 28 pin chip Please see the photo for proper orientation of this chip 320...

Страница 10: ...e to each other and are very close to Q4B You will need to scrape a bit of the green coating off the board with a sharp knife to install one of the 10 pF caps See photos below for details on where to...

Страница 11: ...11 Small Capacitors 320 Dixon Rd 302 Toronto ON Canada M9R 1S8 tel 416 243 2260 web http www wavemach com testing email fm fmamplifiers com 11...

Страница 12: ...12 320 Dixon Rd 302 Toronto ON Canada M9R 1S8 tel 416 243 2260 web http www wavemach com testing email fm fmamplifiers com 12...

Страница 13: ...13 Electrolytic Capacitors 320 Dixon Rd 302 Toronto ON Canada M9R 1S8 tel 416 243 2260 web http www wavemach com testing email fm fmamplifiers com 13...

Страница 14: ...diode and pay attention to the polarity Now install LED1 and make sure the flat side is facing the screen printing LED1 Also make sure to pay attention to the polarity of D3 After the board is complet...

Страница 15: ...Q1 back view Q1 front view Q2 Q3 Q5 Q5 height above board D1 and D2 D3 D200 LED1 320 Dixon Rd 302 Toronto ON Canada M9R 1S8 tel 416 243 2260 web http www wavemach com testing email fm fmamplifiers com...

Страница 16: ...ese coils to keep them aligned while soldering these 2 coils Note some kits will require you to wind coils L3A L3B L7B L11B L12B L13B L200 L201 and L202 as per Table 5 details Now install coils L4 and...

Страница 17: ...L5 L7B L11B L12B L13B Height profile for L7B L11B L12B and L13B L10 ferrite coil 320 Dixon Rd 302 Toronto ON Canada M9R 1S8 tel 416 243 2260 web http www wavemach com testing email fm fmamplifiers co...

Страница 18: ...bit into all 3 coils to help align them while soldering These coils should be above the surface around 1 8 L200 L201 and L202 alignment L200 L201 and L202 after soldering 320 Dixon Rd 302 Toronto ON...

Страница 19: ...ut most of them are very inaccurate L4 LX and 6 4 MHz crystal in series Red and black power leads 50 ohm mini coax 10 inch audio cable Testing and Alignment of the board Great you made it to the end b...

Страница 20: ...end of the band without the need alter L3A and L3B Once this test passes you can adjust the settings of C35 and C40 to give you about the same power level at both the low and high end of the FM band T...

Страница 21: ...ower and carefully remove U7 This chip contains 4 electronic switches inside 2 of these switches are closed when the unit is first powered up or if a frequency is changed The switches short out 2 resi...

Страница 22: ...goes from 0 to 9 volts and see if you can get you can now get the frequency to change by changing the DC level from 0 to 9 If you set a DC level of 4 5 VDC at this resistor you should be able to measu...

Страница 23: ...C23 0 1uf C35 9 50pf C47 omit C502 27pf C12 10uf C24 0 01uf C36 Omit C48 0 1uf Note C49 is a 47pf cap installed in a spot that was originally for a tuning cap See step 6 for detail on it installation...

Страница 24: ...Diodes D1 MV2109 D2 MV2109 D3 1N5819 D200 1N4148 Table 7 Semiconductors U1 MC145152P2 U7 CD4066BCN or CD4016 U2B MC12026ADR2 Q1 2N4427 MRF313 BF799W 2SC2347 U3A and U3B MC34182P Q2 2N3906 U4 MAR6 RF23...

Страница 25: ...u removed the R25 lead from Basically these 2 resistors are now in series in the spot marked R25 Now you will need to make a parallel RC network using a 560K resistor a 100 pf and a 27pf capacitor The...

Страница 26: ...gone through some revisions On the 3 page you will see a highlighted section This highlighted section shows the addition of the Pre emphasis network to optimize the sound for mono audio sources The s...

Страница 27: ...27 320 Dixon Rd 302 Toronto ON Canada M9R 1S8 tel 416 243 2260 web http www wavemach com testing email fm fmamplifiers com 27...

Страница 28: ...28 320 Dixon Rd 302 Toronto ON Canada M9R 1S8 tel 416 243 2260 web http www wavemach com testing email fm fmamplifiers com 28...

Страница 29: ...29 320 Dixon Rd 302 Toronto ON Canada M9R 1S8 tel 416 243 2260 web http www wavemach com testing email fm fmamplifiers com 29...

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