021 215 021 229  

 

PTO

Collins PTO (permeability tuned oscillator)

  Collins ¼Û·¼ö½Å±â¿¡ »ç¿ëÇÏ°í ÀÖ´Â VFO¸¦ PTO (Permeability Tuned Oscillator ; ʦܨ÷âí¸ëÒúþÛ¡òÉÐï ; °¡º¯ÅõÀÚÀ²Çü¹ßÁø±â) ¶ó ºÎ¸¥´Ù.
º¸Åë LC¹ßÁø±â¿¡¼­ C (º¸Åë ¹Ù¸®ÄÜ)¸¦ °¡º¯ÇÏ¿© ÁÖÆļö¸¦ ¹Ù²ÙÁö¸¸ ÀÌ PTO´Â ÄÚÀÏÀÇ Äھ ¿òÁ÷¿©¼­ ÀδöÅϽº¸¦ °¡º¯ÇÏ´Â ¹æ½ÄÀ¸·Î, ÁÖÆļö¿Í ȸÀü°¢ÀÇ Á÷¼±¼ºÀÌ ºñ±³Àû Àß ÀÏÄ¡ÇÏ¸ç ¹ßÁø ¾ÈÁ¤µµµµ ÁÁ´Ù. Áø°ø°ü ¹ßÁøȸ·Î¸¦ »ç¿ëÇϸ鼭µµ Àü¿ø ÅõÀÔÈÄ 15ºÐ °æ°úÈÄ ¸ðµ¨¿¡ µû¶ó 20Hz, 50Hz, 100HzÀÇ º¯È­¸¸ ÀÖÀ» »Ó ¾ÈÁ¤ÀÌ Áö¼ÓµÈ´Ù.
LSB/USBº¸Á¤Àº Æ®¸®¸Ó¸¦ ´ÙÀÌ¿Àµå ½ºÀ§Ä¡·Î Àüȯ ÇÏ°íÀÖ´Ù.
Äݸ°½ºÞä¿¡¼­ ¼º´ÉÀ» ÀÚ½ÅÇÏ°í ÀÖ´Â VFO·Î ¹ßÁøÁÖÆļöÀÇ ¹üÀ§´Â ¿©·¯ Á¾·ù°¡ ÀÖÀ¸¸ç ¾Æ·¡¸¦ ÂüÁ¶ÇÑ´Ù.

Collins Permeability Tuned Oscillators

 


Type

Low
Range

High
Range

Filament
Voltage

Plate
Voltage

Turns

RF Output

Equipment

Tubes

Notes/Part Numbers/Misc

70E-1

1.0

1.5

12.6

250

10

15V±0.3V, 25pF

ARC-2

  

502 1206 003

70E-2

2.0

3.0

12.6

250

10

9~25V, 25pF

ARR-15, 51H

V301 12SJ7

502 0962 003

70E-3

.45

.55

12.6

250

5

 

ARR-15, 51H

V201 12SJ7

LF Calibrator 502 0879 003

70E-7A

2.0

3.0

6.3

250

10

2~3.5V, 30pF

51J1

V001 6SJ7 

503 5047 003

70E-8

2.0

3.0

6.3

250

10

 

32V3 early models

 

 

70E-8A

1.6

2.0

6.3

180

16

5.5V,  33pF

310B, 32V3-later models 

 

503 5049 003

70E-8B

1.6

2.0

6.3

250

16

5.5V,  33pF

310C

 

503 0022 003

70E-8C

1.6

2.0

6.3

250

16

 

32V

 

503 0022 003

70E-10

.60

.80

6.3

250

10

9~15V, 25pF

708-A

 

503 9550 003

70E-11

1.0

1.5

6.3

250

10

15~30V

708-A

 

503 9558 003

70E-12

1.955

2.955

6.3

150

10

0.5~2.0V, 15pF

75A-2,75A-3

  

504 6567 004

70E-14

1.6

2.5

6.3

210

10

6~8V, 2MHz 30pF

KW-1

  

505 1244 004

70E-15

2.0

3.0

6.3

150

10

1.2~2.5V, 100pF

51J-1,2,3,4

  

505 0411 024

70E-18

2.455

3.455

28

28

10

1V, 100Kohm

R-392

V801 26D6

505 1413 004

70E-20

1.65

2.05

6.3

210

16

 

 

 

522 0050 004

70E-21

.3

.4

6.3

250

10

17~22V

708A-3

 

522 0073 003

70E-22

1.75

3.5

6.3

26

10

3V

ARC-38

 

522 0316 004

70E-23

2.75

3.75

6.3

210

10

4V

KWS-1

V001 5749

military/ham

70E-24

1.955

2.955

6.3

150

10

6V

75A-4

   

The famous 75A4 ham receiver

70E-25

2.0

4.0

12.6

210

10

2.5~5.5V, 50pF

708B-1

 

522 0200 005

70E-29A

2.0

4.0

12.6

210

10

 

478R-1

 

522 1092 005
spectrum analyzer


Type

Low
Range

High
Range

Filament
Voltage

Plate
Voltage

Turns

 

Equipment

Tubes

Notes/Part Numbers/Misc

70H-1

.470

.980

6.3 @ 600ma

180 @10ma

51

0.55V

R-389

V701 5749
V702 6BH6 Oven 75C

522 0062 004
Load: 10K fm B+ to center of coax, output voltage .55Vrms

70H-2

2.455

3.455

6.3

180

10

1.7V

R-390

V701 5749

Oven 75C

70H-3

2.0

3.0

6.3

150

10

1.2~2.5V

Unknown

5749,5749

military

70H-4

  1.5

  3.0

  25.2

  180

  10

4~7.5V

 

  

522 0067 004  output 4V@3MC

70H-5

2.5

3.5

6.3

150

10

2.5V

R-608/ARR-41

V15001 5750

Oven

70H-9

1.5

3.0

6.3

150V/12ma

10

5~13V

B&W-15000A,T-368

5749,5749

Oven,28V

70H-10

2.58

4.58

6.3

210

16

4~5V

R-627 URC/8

 

Oven,115VAC, military

70H-12

2.455

3.455

6.3

180

10

1.7~2.0V

R-390A

 

 

70H-13

2.0

4.0

6.3

130

10

 

ARC-58,KWT-6,OV-465

  

 

70H-13A

2.0

4.0

6.3

130

10

 

R-761,18Z

  

Zener diode and varicap

 

 

 

 

 

 

 

 

 

 

70J-1

3.1

4.4

6.3

180

163º

17V

R-390 BFO

None

Load: open 17v    455 kc

70K-1

3.455

3.545

6.3

200

1

2V±0.5V, 22pF

KWM-1

  

ham band transceiver used in U2 spy plane

70K-2

2.5

2.7

6.3

130

2

 

KWM-2, S line

V301 6AU6, later models7543 

70K-2 PTO Service Adventures by Jim Miller, N4BE


Type

Low
Range

High
Range

Filament
Voltage

Plate
Voltage

Turns

 

Equipment

Tubes

Notes/Part Numbers/Misc

70K-3

2.501

3.5

 

18

10

 

50S-1,618-T

 

+10V bias

70K-4

 

 

 

 

 

1.3V

 

 

military/ham

70K-5

2.501

3.5

 

18

 

0.9~1.3V

R-390/Manson Labs

 10V bias, stabilizer pin

military countermeasures receiver

70K-7

2.5

3.5

 

150 

 10

 

51S-1 Receiver

V501 7543

522-2918-00

70K-9

2.501

3.5

 

18

10

 

618T-1/2/3

 

+10V bias, stabilizer pin,
28V oven

 

Link
PTO ¼ö¸® ¿¹  
http://www.ksky.ne.jp/~t-kato/hamf/radiorest/70E18rest.html
R 389  
http://www.r-389.com/gallery1/R389bottom.jpg

 

LMO

 


Heathkit LMO (Linear master oscillator)

  Heathkit ÞäÀÇ SB-XXX½Ã¸®Áî¿Í ¿ÜºÎ VFO µî¿¡¼­ »ç¿ëÇÏ°í ÀÖ´Â VFO¸¦ LMO (Linear master oscillator)¶ó°í ºÎ¸£°íÀÖ´Ù.
VFO·Î ¹ßÁøÁÖÆļö´Â 0~5.5MHzÀÌ°í ¹ßÁøȸ·Î´Â 6CB6À» »ç¿ëÇÑ ÄÝÇÇÃ÷ ¹ßÁøȸ·Î¸¦ »ç¿ëÇÏ°í ÀÖ´Ù. ¹ßÁø ȸ·Î ³»ºÎ¿¡ ¹Ù¸®ÄδÙÀÌ¿Àµå¸¦ »ç¿ëÇÏ¿© Àü±âÀûÀ¸·Î LSB/USBº¸Á¤ÇÏ°í ÀÖ´Ù.

 

RIT or Clarifier

 

RIT (Receiveing Incremental Tuning) or Clarifier (Receiver offset)


  SSBÆ®·£½Ã¹ö¿¡¼­ VFO¸¦ ¼Û¼ö½Å½Ã °°ÀÌ »ç¿ëÇÏ°í Àִµ¥ ÀÌ °æ¿ì Áø°ø°ü½Ä Æ®·£½Ã¹ö µî¿¡¼­´Â ¼Û¼ö½Å ÁÖÆļö°¡ ÆíÂ÷°¡ »ý±â´Â °æ¿ì°¡ Àִµ¥ ¼ö½ÅÃø¿¡¼­ ¼ö½ÅÁÖÆļö¸¦ ¹Ì Á¶Á¤ÇÏ°Ô ÇÏ´Â ÀåÄ¡¸¦ RIT¶ó°í Çϸç, ±Ù°£¿¡ ¸¸µé¾îÁö´Â Æ®·£½Ã¹ö¿¡¼­´Â Clarifier¶ó°í ÇÏ´Â °æ¿ìµµ ÀÖÀ¸³ª °°Àº ±â´ÉÀÌ´Ù.