DRAKE R-4C Especificaciones descargar pdf (Pagina 3)

TABLE OF CONTENTS (continued)

3-13. S'METER

.

.

3-14.

PHONE-JACK. . . .

3-15.

S'METER ZERO.

.

3-16.

BASIC

CONTROL

SETTINGS

3

-

17. SSB

RECEPTION

. .

3-18.

CW

RECEPTION .

3-19.

AM

RECEPTION. . . .

3-20. RTTY

RECEPTION

3-21.

NOISE

BLANKER . .

3-22.

ADDITIONAL

TUNING

RANGES

Page

3

5

3 5

3 5

3-

5

3 -6

3-6

336

3 -7

3-7

3-7

CHAPTER IV

4-l.

4-2.

4-3.

4-4.

4-5.

4-6.

4-7.

4-8.

4-9.

4-10.

4-11.

THEORY OF OPERATION.

GENERAL

.

RF AMPLIFIER

.

PREMIXER

.

.

FIRST MIXER

FIRST IF SYSTEM

SECOND IF SYSTEM AND

DETECTORS

AGC

CIRCUIT. . . . .

S

METER . . . . . . .

AUDIO

AMPLIFIER . . . .

POWER

SUPPLY. . . . .

CRYSTAL

CALIBRATOR

. . . . . .

441

441

4-l

4 -1

4-l

4-

1

4-2

4-2

4-2

4-2

4-2

4-2

CHAPTER V MAINTENANCE . . .

5-l

5-l. SERVICE DATA.

.

.

.

.

.

.

.

.

5-l

5-2. MAINTENANCE.

.

.

.

.

5-1

5-3. COVER REMOVAL.

.

.

.

.

.

5-

1

5-4. TEST EQUIPMENT REQUIRED

.

.

5-l

5-5. TROUBLESHOOTING

.

.

.

.

.

.

.

.

5-l

5-6. ALIGNMENT INSTRUCTIONS.

.

.

.

5 1

5-7.

50kHz BFO AND

IF

ALIGNMENT

5-2

5-8.

5645 OSCILLATOR ADJUSTMENT

5-2

5-9. FILTER MATCH ALIGNMENT.

5-2

5-10.

NOTCH FILTER ADJUSTMENT

5-2

5-11. 5595 OSCILLATOR ADJUSTMENT

5 2

5-12. ANTENNA, RF AND INJECTION ALIGNMENT

5-2

5-13. S METER ADJUSTMENT.

5 3

5-14. CRYSTAL CALIBRATOR ADJUSTMENT

5 3

1 2 3 4 5 6 7 8 ... 28 29

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