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EGV-9B_BPFLPF

module for EGV-9B CW Transceiver kit

Page 9

See the following pictures:

The spacers to screw the board are 10mm and you have to add a nut to gain about 2mm in height.
To fasten to the main board, 10mm (M3x10) screws are used and to fasten the plug-in filter module, 4 or
5mm (M3x4) screws are used.
See the images.

Содержание EGV-9B BPFLPF

Страница 1: ...t Page 1 EGV 9B_BPFLPF v1 BPF LPF module for EGV 9B Last update March 01 2023 ea3gcy gmail com Latest updates and news in www ea3gcy com Thank you for building the EGV 9B_BPFLPF v1 module Have fun ass...

Страница 2: ...s soldered at the factory You don t have to solder anything SMD SPECIFICATIONS RX BAND PASS FILTER Power requirements 12 14VDC Antenna impedance 50 ohms nominal Frequency 1 Fixed filter for 80m 2 Vari...

Страница 3: ...Bottom layer C11 390p SMD capacitor NP0 or CG0 100V Bottom layer C12 180p SMD capacitor NP0 or CG0 100V Bottom layer C13 82p SMD capacitor NP0 or CG0 100V Bottom layer C14 220p SMD capacitor NP0 or C...

Страница 4: ...T37 2 Red toroid 18 turns L11 T37 2 Red toroid 20 turns L12 T37 2 Red toroid 18 turns L13 T37 6 Yellow toroid 15 turns L14 T37 6 Yellow toroid 16 turns L15 T37 6 Yellow toroid 15 turns L16 T37 6 Yello...

Страница 5: ...t diodes 1N4148 all printed D on PCB They are all placed vertically see the images Insert and solder all shielded coils make sure they lie flat on the board L1 to L4 are 5u3H marked 34 L5 and L6 are 1...

Страница 6: ...is used TOROIDS TABLE TOROID BAND TYPE TURNS WIRE lenght 0 4mm L7 80 T37 2 25 36 cm L8 80 T37 2 27 39 cm L9 80 T37 2 25 36 cm L10 60 40 T37 2 18 28 cm L11 60 40 T37 2 20 30 cm L12 60 40 T37 2 18 28 c...

Страница 7: ...ly so that they follow the contour of the toroid and are as tight against the toroid as possible The turns should be evenly distributed around the circumference of the toroid Leave pigtails of about 1...

Страница 8: ...to connect to the main board and are soldered to the top side of the board Extra long strips of pins are used 8 extra long pins strip for LPF switching and 6 extra long pins strip for BPF switching Be...

Страница 9: ...ee the following pictures The spacers to screw the board are 10mm and you have to add a nut to gain about 2mm in height To fasten to the main board 10mm M3x10 screws are used and to fasten the plug in...

Страница 10: ...that it is assembled and adjusted as described in this documentation and used correctly according to all provided instructions It is your responsibility to follow all the instructions in the manual t...

Страница 11: ...EGV 9B_BPFLPF module for EGV 9B CW Transceiver kit Page 11 SCHEMATICS...

Страница 12: ...EGV 9B_BPFLPF module for EGV 9B CW Transceiver kit Page 12...

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