DRAKE SPR-4 Especificaciones descargar pdf (Pagina 49)

SPR-4 D.C.

VOLTAGE CHART

Transistor

Drain

Collector

Source Emitter

Gate 1 Base

Gate

7.3

9.0

PT0

9.7

9.8

PT0

10.2

17.0

Ql0

11.8

Qll

6.3

Ql2

12.2

Q13

6.0

Q14

6.0

Q15

12.2

Q16

0.5

Q17

10.0

Ql8

1.7

Ql9

7.0

Q20

5.4

Q21

5.5

Q22

8.8

Q23

11.2

Q24

11.6

Q25

1.6

Q26

4.6

Q27

8.6

Q28

4.8*

4.3

-----

3.0

2.8

12.7

.25

1.8

6.0

0.0

4.0

6.5

6.0

3.9

11.0

5.4

0.0

0.3

0.15

0.3

-4.7

4.6

2.5

0.2*

3.9

-----

1.3

0.0

-----

0.0

13.2

0.0

6.5

0.5

0.4

7.0

5.4

2.8

10.5

5.9

0.5

-0.1

0.65

0.0

-4.6

4.0

3.0

0.8*

-----

.35

.90

-----

.30

-----

.35

-----

MEASUREMENT CONDITIONS

Conditions are the same as the SPR-4 R.F . voltage char-t.

11 megohm VTVM used.

*Mode switch in AM for these measurement .

47 -

1 2 ... 44 45 46 47 48 49 50 51 52 53 54 ... 65 66

Table of Contents 2
SSB , CW, and RTTY: 3
VIEWING ANGLE OPTIONS 6
Figure 1 6
AC , the 7
2.8.1 POWER 9
2.8.4 ANTI VOX and INJECTION 9
2.8.6 GROUND POST 9
2.8.8 AUDIO IN/OUT 9
, the crystal oscillator 16
minimum 21
OFF detent 24
, and speaker 27
state 27
chematic 28
beat 30
Transmitters 31
SO that the SPR-4 32
Q2 6.2(670 36
RY-4 CIRCUIT BOARD 42
Figure 15 43
Schematic 43
TA-4 PICTORAL WIRING DIAGRAM 44
Figure 18 46
Figure 19 47
TRANSISTOR 51
CONFIGURATION 51
Figure 21 51
TERMINAL(PC 52

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DRAKE SPR-4 Especificaciones Pagina 49

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