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Instruction Manual

Cyclone 40

40 Meter Transceiver

Revision A.0

Copyright 2013

David Cripe NM0S

&

Four State QRP Group

Updated 2/11/14

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Содержание Cyclone 40

Страница 1: ...Instruction Manual Cyclone 40 40 Meter Transceiver Revision A 0 Copyright 2013 David Cripe NM0S Four State QRP Group Updated 2 11 14...

Страница 2: ...z A second oscillator operates at a fixed frequency of 11 001 MHz This is the Local Oscillator comprised of crystal X5 resistors R4 R13 capacitors C16 and C17 and transistor Q11 The output of this osc...

Страница 3: ...of the antenna is required The output of the IF filter is amplified by Q5 and fed to the active mixer circuit of Q1 and Q2 The 11 MHz LO signal is fed into the emitters of Q1 and Q2 mixing against th...

Страница 4: ...lost If parts are missing in your kit send an email to Terry Fletcher WA0ITP at wa0itp wa0itp com He will promptly provide replacements Schematic files are provided as part of documentation package It...

Страница 5: ...er the edge the boards may be cleanly separated by pressing down firmly on each section CAPACITORS The ceramic monolythic capacitors used throughout the kit are small and their markings not always eas...

Страница 6: ...8 120p 121 Ceramic monolythic C11 120p 121 Ceramic monolythic C39 120p 121 Ceramic monolythic C10 180p 181 Ceramic monolythic C5 220p 221 Ceramic monolythic C13 270p 271 Ceramic monolythic C12 300p 30...

Страница 7: ...een 1 4W R23 1 0M Brown Black Green 1 4W R26 1 0M Brown Black Green 1 4W R27 1 0M Brown Black Green 1 4W R28 1 0M Brown Black Green 1 4W R2 1 5k Brown Green Red 1 4W R1 100k Brown Black Yellow 1 4W R1...

Страница 8: ...using sandpaper of a a sharp hobby knife prior to tinning With the leads of the leads stripped mount the toroid to the board making sure the leads are pulled snug from the back of the board After sold...

Страница 9: ...that that this transformer is installed with the primary corresponding to the pads marked P on the board Bend the mounting tabs over to provide mechanical strength and solder them too T2 Audio Transfo...

Страница 10: ...4 Identify and install the following components Be certain that their polarity is correct and that they match the board silkscreen symbols Transistor Q8 requires a heat sink included in the kit Instal...

Страница 11: ...in the kit Notice one end has been cut and one end is finished Screw the finished end into the T nut to verify that its threading is clean and smooth then remove Place the T nut flat on your workbench...

Страница 12: ...ve terminal and the center pin is positive Solder the other ends of the wires to the corresponding and pads at the left edge of the board Verify that the shell of the connector is connected to the pad...

Страница 13: ...ly near the top with your needle nose pliers Position the bottom of the lead on one of the marks on the nylon spacer Touch your soldering iron to the lead about 1 4 from the bottom of the lead to heat...

Страница 14: ...ff the excess wire Trim the length of the PTO leads extending from the spacer to 1 25mm Using needle nose pliers to support the lead at the body of the spacer bend it into a knee shape as per the illu...

Страница 15: ...s the tuning knob Take a 4 strip of black electrical tape and wrap it around the exposed end of the PTO screw flush with the T nut Cut off any tape that extends past the end of the screw Test fit with...

Страница 16: ...blown we may proceed with alignment The first task is alignment of the PTO coil It is necessary to set the PTO frequency at 4 000 MHz when the PTO screw is fully inserted Press the FREQ button at the...

Страница 17: ...Press the FREQ button and note the four digit count Key the transmitter and while it is keyed press the FREQ button Note the four digit count The two numbers should differ by 20 to 40 If it is much la...

Страница 18: ...led in their correct locations A check of voltages at strategic locations on the board while under power can serve to isolate problems to a particular circuit The following table lists nominal voltage...

Страница 19: ...5 Q9 C 0 0 Q10 E 0 0 Q10 B 0 6 0 6 Q10 C 2 3 2 3 Q11 S 2 5 XXX Q11 D 4 3 XXX Q11 G 0 XXX Q12 E 0 0 Q12 B 0 0 Q12 C 0 0 Q13 E 5 5 Q13 B 5 5 Q13 C 12 12 Q14 E 5 5 Q14 B 5 5 Q14 C 0 0 Q15 S 0 0 Q15 G 0 1...

Страница 20: ...Figure 4 Component Placement...

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