MFJ MFJ-8504 Скачать руководство пользователя страница 7 | Manualshive

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MFJ MFJ-8504 Скачать руководство пользователя страница 7

Schematics

MFJ-8504 Main Board

High Pass Filter

Low Pass Filter

Notch Filter

Band Pass Filter

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Содержание MFJ-8504

Страница 1: ......

Страница 2: ...multicoupler This broadband coupler has excellent performance over a very wide frequency range from below 300 kHz to above 500 MHz This is a low noise gain neutral device It employs modern low noise...

Страница 3: ...1 7 MHz 5 pole High Pass and 30 MHz Low Pass and High Pass 5 pole filters The filters can be set up in multiple ways for specific needs The user must calculate the values and make his own non standar...

Страница 4: ...ke mixers This can cause signals to combine and make phantom signals appear The only solution to this problem is to reduce the input signal level for some or all signals The ideal input level is one w...

Страница 5: ...D5 No Filter 1 YES YES NO NO 1 TO 4 FL 1 ONLY 1 NO NO NO 2 TO 3 NO FL 2 ONLY 1 YES NO 1 TO 2 NO NO FL 2 ONLY 2 NO NO 2 TO 3 NO NO FL1 AND 2 FL 1 1 FL 2 2 NO NO 2 TO 3 2 TO 3 NO FL 1 AND 2 IN SERIES 1...

Страница 6: ...ifier stage For example setting the 30MHz Low Pass filter in FL1 and the 30MHz High Pass filter in FL2 an HF antenna can be connected to ANTENNA 1 and a VHF antenna on ANTENNA 2 Two Filters in Series...

Страница 7: ...Schematics MFJ 8504 Main Board High Pass Filter Low Pass Filter Notch Filter Band Pass Filter...

Страница 8: ...8504 1 PCB 862 8504 HP 862 8504 LP 30MHz Low Pass QTY Part VALUE PN Desc 2 C1 C2 100pF 220 0100 CAPACITOR MULTILAYER 1 50V 5 NPO 100 PF 2 L1 L3 0 47uH 401 2470 INDUCTOR MOLDED 3 10 YEL VIO SLVR 0 47 U...

Страница 9: ...G type capacitors for minimum drift and with a lead spacing around 0 1 or 0 2 inch Voltage is not critical Suggested parts values for individual Amateur Bands Low Pass High Pass BAND Freq LP L1 C1 L2...

Страница 10: ...NOTES...

Страница 11: ...eceive the original parts you wish to replace your proof of purchase and a personal check cashiers check or money order must be provided to cover postage and handling Postage and handling may vary acc...

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