Read DipitSchem1.pdf text version

Steckspule bzw. VHF/UHF-Modul

Bu1 4

VFO+Demodulator

1k2 10k

Display Amplifier

1M

+10V R15

390R

Wobbler Ein/Aus

R2 T1 3 L1 1

BB112 100p

Us

Dipper

R12 C15

St1/1

R13 T4

2 4

St3/2

R21

10k

S2

C1

St1/3

0,1µF

C2

33n

IC1a S1

Absorber 3

1

1k8

C20

St3/1

R14

150k

R22

D1

8 100n

T5

100n

7 8 4 3

BB112

St1/2

P2

5k

2 5 1

D3 +10V R17

8k2 1N4148

C16

St2/2

ResonanzDisplay

+8V R16

27R BC546B

6 2

IC3

555

1 5

100k

R1

D2

0,015µF

R18

R19

47k

33k

Group 3 Ocillator

D12

LED spec

St2/1

C19 +10V

C17

3

IC2a

10k

2

0,047µF

2 P5 C38 R46

47µF

68k

Buffer

T2 C3

15p 100k

47n

+8V

TL082

Group 2 Sägezahnoszillator

Sawtooth Oscillator

Bu3

zum Frequ.-Zähler

R20

470R

R3 3 R45 4 5 C4

4n7

C5 R5

39R

~400Hz

+10V C22

0,47µF

C23

100n

1

27R

+8V

47n

R47 TR2

3 4

C24

10k

Batteriespannungsüberwachung Batterie Voltage Control

D11 R42

330k 1N4148

4

R40

Frequ.-Einstellung

2

Bu5

2k7

6k8

R4

R6 390R 47nF C7

RF-Amplifier

D5

3 4

2

6 7

T6

BFR96S

Bu6 +7dBm

St4/3

+10V

R27

3k9

TR1

C21

47n

5 6

BA479

IC2b

8

7

680R

St6/1

R44

Frequ. Counter

Bu 4

C8

RF-GeneratorOutput

Ein

LED

R41

100n

12k

D13

560R

R23

R26

R28

68R

10R

47n

270R

R29

Aus

S4

3,3µF

C18

St6/2

10n C25 LM358

7 6 5

St4/2

+10V C39 R43

5k6 100µ

R24

2k2

C27 C26 D7

47µF 47n

AA118 AA118

C9

100k

IC1b

DC/DC Wandler DC/DC Converter

C36

St5/2

100p

R9

C6

47n 68R

C12 C13

0,22µF

D6

~0,7V DC 47µH

33n

R25 4k7

1k

270R

P1

250R

R10 T3

R11 C14

100µF

HF-Abschwächer

R7

RF Level R31

33k

R30

120k

180R

R36

R38

100k

+8V IC5

78LO8

+10V Dr3

8V

Group 5 Power Output

C33

1µF

D8

1N5817

Dr2

S3

Ein/Aus ON/OFF

47n

C11 R8

10µF

R32 33k

R37

220uH 100uF 100uF

+8V

100R

P3 C28 R34

10µF 100µF

T7

1k

100p

St5/1

150R

C37

C10

BD137

8

+

4x 1,5V AA

Loudness

10k

+10V

C34

C35

R33

Group 4 Directconversion (Zerobeat Frequency Meter)

P4 IC4

3 7 4

6

C32

5

C31

47µF

Bu2

BC546B

BC546B

ZPD10

D9

1k2

9 D10

-

R39

1N4148

C30

0,047µ

T8

T9

C29

R35

4R7

NF-Verstärker AF Amp

10µF

Group1 Stromversorgung / Powersupply

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