Ranger RCI-2970
Documentation Project

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Transistor Voltage Chart

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Ref #

Function

Part #

 
LOC

B

C

E

Q1

 

2SC1675L

NPN

B-3

0.00 NB Off

0.00  NB Off

0.00 NB Off

 
1.77 NB On
7.67  NB On
1.06NB On

Q2

 

2SC1675L

NPN

C-2

0.00 NB Off

0.00  NB Off

0.00 NB Off

 

0.71 NB On

2.09  NB On

0.00 NB On

Q3

 

2SC945

NPN

C-3

0.00 NB Off

0.00 NB Off

0.00 NB Off

 

2.09 NB On

7.76  NB On

1.45 NB On

Q4

 

2SC945

NPN

B-2

0.00 NB Off

8.01  NB Off

0.01 NB Off

 

0.02 NB On

8.01  NB On

1.06 NB On

Q5

 

2SC945

NPN

C-3

0.00 NB Off

7.37  NB Off

0.01 NB Off

 

0.01 NB On

7.37  NB On

0.03 NB On

Q6

 

2SA733

PNP

C-2

7.36 NB Off

0.00  NB Off

8.01 NB Off

 

7.36 NB On

0.00  NB On

8.01 NB On

Q7

 

2SC945

NPN

C-2

0.00 NB Off

0.00  NB Off

0.00 NB Off

 

0.00 NB On

0.01  NB On

0.00 NB On

Q8

 

2SC1674

NPN

D-2

1.18 AM RX

6.93 AM RX

0.48 AM RX

 

0.02 AM TX

0.03 AM TX

2.44 AM TX

1.18FM RX

6.93FM RX

0.48 FM RX

0.01FM TX

0.02FM TX

2.44 FM TX

1.30SSB RX

7.60 SSB RX

2.38 SSB RX

0.01SSB TX

0.02 SSB TX

2.44 SSB TX

Q9

 

2SC1675

NPN

D-3

0.71 AM / FM RX

3.04 AM / FM RX

0.00 AM / FM RX

  

0.01 AM / FM TX

0.03 AM / FM TX

0.00 AM / FM TX

0.82 SSB RX

0.03 SSB RX

0.00 SSB RX

0.81SSB TX

0.02 SSB TX

0.00 SSB TX

Q10

 

2SC1675

NPN

D-4

3.03 AM /FM RX

5.76AM / FM RX

2.26 AM / FM RX

  

0.02 AM / FM TX

0.02 AM / FM TX

0.01 AM / FM TX

0.03SSB RX

8.02 SSB RX

0.00 SSB RX

0.02SSB TX

0.02 SSB TX

0.01 SSB TX

Q11

 

2SC1675L

NPN

D-4

2.26 AM / FM RX

5.49 AM / FM RX

1.52 AM / FM RX

 

0.01 AM / FM TX

0.02 AM / FM TX

0.01 AM / FM TX

0.00 SSB RX

8.02 SSB RX

0.01 SSB RX

0.01 SSB TX

0.02 SSB TX

0.01 SSB TX

Q12

 

2SA733

PNP

B-4

8.02 NB Off

0.00  NB Off

8.06 NB Off

 

7.35 NB On

8.01  NB On

8.06 NB On

Q13

 

2SC945

NPN

B-4

0.00 AM / FM RX

-0.25 AM / FM RX

0.00 AM / FM RX

 

0.01 AM / FM TX

-0.24 AM / FM TX

0.00 AM / FM TX

0.71 SSB RX

0.01 SSB RX

0.00 SSB RX

0.71 SSB TX

0.01 SSB TX

0.00 SSB TX

Q14

2SC945

NPN

B-4

0.70 AM / FM RX

0.01 AM / FM RX

0.00 AM / FM RX

 

0.71 AM / FM TX

0.02 AM / FM TX

0.00 AM / FM TX

0.01 SSB RX

0.11 SSB RX

0.00 SSB RX

0.01SSB TX

0.01 SSB TX

0.00 SSB TX

Q15

 

2SC945

NPN

E-4

0.01 AM / FM RX

0.02 AM / FM RX

0.00 AM / FM RX

 

0.01 AM / FM TX

0.01 AM / FM TX

0.00 AM / FM TX

0.70 SSB RX

0.01 SSB RX

0.00 SSB RX

0.71SSB TX

0.01 SSB TX

0.00 SSB TX

Q16

 

2SC945

NPN

E-5

1.26 AM / FM RX

5.04 AM / FM RX

0.68 AM / FM RX

 

1.26 AM / FM TX

5.05 AM / FM TX

0.68 AM / FM TX

1.26 SSB RX

5.01 SSB RX

0.68 SSB RX

1.26SSB TX

5.01 SSB TX

0.68 SSB TX

Q17

 

2SC945

NPN

B-2

0.00 AM / FM RX

0-0.01 AM / FM RX

0.00 AM / FM RX

 

0.76 SSB TX

0.02 SSB TX

0.00 SSB TX

Q18

 

2SC1674

NPN

C-2

2.15 AM RX

7.73 AM RX

1.41 AM RX

 

0.02 AM TX

0.03 AM TX

0.01 AM TX

2.15 FM RX

7.73 FM RX

1.41 FM RX

0.03 FM TX

0.08 FM TX

0.01 FM TX

2.16 SSB RX

7.74 SSB RX

1.41 SSB RX

0.01 SSB TX

0.02 SSB TX

0.01 SSB TX

Q19

 

J310

FET

D-3

0.03 AM / SSB RX

7.95 AM / SSB RX

1.89 AM / SSB RX

 

0.01 AM / SSB TX

0.02 AM / SSB TX

0.03 AM / SSB TX

0.00 FM RX

7.95 FM RX

1.90 FM RX

0.01 FM TX

0.07 FM TX

0.07 FM TX

Q20

 

2SC1674

NPN

D-4

0.95 AM RX

0.24 AM RX

0.23 AM RX

 

3.41 AM TX

3.02 AM TX

7.34 AM TX

0.95 FM RX

0.24 FM RX

0.23  FM RX

1.66 FM TX

1.19 FM TX

7.35 FM TX

1.60 SSB RX

6.69 SSB RX

0.85 SSB RX

3.40 SSB TX
3.42 With MOD

7.11 SSB TX
7.13 With MOD

7.34 SSB TX
7.36 With MOD

Q21

 

2SC1675

NPN

D-4

0.22 AM / FM RX

1.74 AM / FM RX

0.00 AM / FM RX

 

0.02 AM / FM TX

0.03 AM / FM TX

0.00 AM / FM TX

0.73 SSB RX

3.43 SSB RX

0.00 SSB RX

0.01 SSB TX
0.03 With MOD

0.02 SSB TX
0.04 With MOD

0.00 SSB TX

Q22

 

2SC1675

NPN

D-4

1.74 AM / FM RX

0.93 AM / FM RX

0.92 AM / FM RX

 

0.03 AM / FM TX

0.40 AM / FM TX

0.02 AM / FM TX

3.43 SSB RX

6.52 SSB RX

2.66 SSB RX

0.02 SSB TX
0.04 With MOD

7.09 SSB TX
7.16 With MOD

0.01 SSB TX
0.03 With MOD

Q23

 

2SC1906

NPN

D-4

3.92 AM / FM RX

7.78 AM / FM RX

0.23 AM / FM RX

 

0.02 AM / FM TX

0.02 AM / FM TX

0.02 AM / FM TX

2.65 SSB RX

6.10 SSB RX

1.90 SSB RX

0.01 SSB TX
0.02 With MOD

0.02 SSB TX
0.04 With MOD

0.01 SSB TX
0.03 With MOD

Q24

 

2SC945

NPN

D-2

0.70 AM RX

0.01 AM RX

0.00 AM RX

 

0.71 AM TX

0.02 AM TX

0.00 AM TX

0.01 FM RX

0.18 FM RX

0.00 FM RX

0.02 FM TX

0.05 FM TX

0.00 FM TX

0.01 SSB RX

0.01 SSB RX

0.00 SSB RX

0.01 SSB TX
0.03 With MOD

0.02 SSB TX
0.20 With MOD

0.00 SSB TX

TR25

 

2SA733

PNP

D-1

                ANL
8.01
AM RX   ON
6.72             OFF

                ANL
0.16
AM RX   ON
7.38             OFF

                ANL
8.05
AM  RX   ON
7.38             OFF

 

                ANL
8.02
AM  TX   ON
6.73             OFF

                ANL
0.22
AM  TX   ON
7.38             OFF

                ANL
8.06
AM  TX   ON
7.39             OFF

                ANL
0.01
FM RX   ON
0.01           OFF

                ANL
0.01
FM RX   ON
0.01           OFF

                ANL
0.01
FM  RX   ON
0.01             OFF

                ANL
0.02
FM  TX   ON
0.02           OFF

                ANL
0.02
FM  TX   ON
0.02             OFF

                ANL
0.02
FM  TX   ON
0.02           OFF

                ANL
0.01
SSB RX  ON
0.01           OFF

                ANL
0.01
SSB RX  ON
0.01             OFF

                ANL
0.01
SSB RX  ON
0.01            OFF

                ANL
0.02
SSB TX   ON
0.02           OFF

                ANL
0.01
SSB TX   ON
0.01             OFF

                ANL
0.01
SSB TX   ON
0.01             OFF

Q26

 

2SC945

NPN

D-1

AM / FM / SSB RX
2.82 

AM / FM / SSB RX
7.19 

AM / FM / SSB RX
2.28 

 

AM / FM / SSB TX
2.84 

AM / FM / SSB TX
7.20

AM / FM / SSB TX
2.29

Q27

 

2SC1675

NPN

C-5

AM / FM / SSB RX
3.44 

AM / FM / SSB RX
5.93

AM / FM / SSB RX
2.70 

 

AM / FM / SSB TX
3.45

AM / FM / SSB TX
5.94

AM / FM / SSB TX
2.71

Q28

 

2SC1675

NPN

D-4

AM / FM / SSB RX
0.72

AM / FM / SSB RX
4.36

AM / FM / SSB RX
0.00

 

AM / FM / SSB TX
0.72

AM / FM / SSB TX
4.37

AM / FM / SSB TX
0.00

Q29

 

2SC1675

NPN

E-6

0.01 AM RX

7.95 AM RX

0.00 AM RX

 

0.02 AM TX

7.96 AM TX

0.00 AM TX

0.75 FM RX

0.02 FM RX

0.00 FM RX

0.79 FM TX

0.07 FM TX

0.00 FM TX

0.01 SSB RX

7.94 SSB RX

0.00 SSB RX

0.01 SSB TX

7.95 SSB TX

0.00 SSB TX

Q30

 

2SC945

NPN

F-1

0.71 AM / FM RX

0.02 AM / FM RX

0.00 AM / FM RX

 

0.72 AM / FM TX

0.03 AM / FM TX

0.00 AM / FM TX

0.01 SSB RX

2.95 SSB RX

0.00 SSB RX

0.01 SSB TX
0.03 With MOD

2.89 SSB TX
2.91 With MOD

0.00

Q31

 

2SA733

PNP

B-3

8.02 AM RX

0.11 AM RX

8.06 AM RX

 

8.02 AM TX

-0.34 AM TX

8.06 AM TX

8.02 FM RX

0.11 FM RX

8.06 FM RX

8.02 FM TX

-0.39 FM TX

8.06 FM TX