Drake - 2-NT - Transmitter
Fabrikant:
Afbeelding 1 van 2
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Drake 2-NT
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Uitrusting:
2-NT
Datum:
Categorie:
Groep:
Subgroep:
1 Handmatig
Service- en gebruikershandleiding
Handleidingen type:
Service- en gebruikershandleiding
Pagina's:
31
Grootte:
1,8 MB
Taal:
engels
Revisie:
Handmatig-ID:
Datum:
Kwaliteit:
Gescand document, deels slecht leesbaar, deels niet leesbaar.
Upload datum:
8 augustus 2017
MD5 MD5:
1c420f27-4a9d-54ec-879c-76f3806a6f58
Informatie
1„ INSTALLATION-------------------------------- 1
Id
Unpacking----------------------------------------------------------1
1„2 Power
Requirements--------------------------------------------1
1.3
Location--------------------------------------------------------------1
104
Cabling--------------------------------------------------------------1
2 Antenna 4
2 o 1 General--------------------------------4
3. OPERATION-----------------------------------8
3.1 Tuning Procedure------------------------ 8
3.2 Delay Control--------------------------10
3.3 STBY position of FUNCTION switch--------10
3.4 SPOT position of FUNCTION switch--------10
3.5 EXT switch-----------------------------11
4. SPECIFICATIONS-------------------------------12
4„ 1 Frequency Coverage----------------------12
4.2 Characteristics-------------------------12
4.3 Accessories--------------------------- 13
5. THEORY OF OPERATION-----------------------14
5.1 Block Diagram--------------------------14
5.2 Crystal Oscillator 14
5.3 Driver Amplifier 14
5.4 Power Amplifier 14
5.5 TVI Filter------------------------------15
5»6 Keying and Relay Control-----------------15
5.7 Relay K1------------------------------16
5.8 Sidetone Oscillator 16
5 „9 Muting--------------------------------16
6„ SERVICE DATA---------------------------------18
6.1 Tube Replacement------------------------18
6.2 Resistance Measurements---------------- 18
6.3 Voltage Measurements-------------------- 19
6.4 Alignment------------------------------ 19
6.5 Plate Meter Calibration------------------20
6.6 Trouble Shooting-------------------------20
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drake--2-nt--service-user--ID9249.pdf