Sennheiser Electronic - SK 50-UHF - Transmitter
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Equipment:
SK 50-UHF
Date:
1991
Category:
Group:
Sub Group:
Information
The SK 50 UHF and SK 250 UHF Mikroport body-pack trans-
mitters are designed for the frequency range from 450 - 960
MHz. Within a switching bandwidth of 24 MHz, up to 16
channels can be selected. In combination with a Microphone the Transmitter can be used as a cordless Microphone To
reduce interference and to improve the signal-to-noise ratio, SK
50 UHF and SK 250 UHF Transmitter are equipped with the
"HiDyn Plus" noise reduction system. In combination with a Receiver which is also equipped with this system (e.g. EM
1046), a link can be established which is characterised by
excellent operational reliability and superb transmission
quality.
FEATURES
Diecast housing with quick-change battery pack
State-of-the-art PLL technology, 16 switchable channels
"HiDyn Plus" compander
Signal-to-noise ratio of 110 dB (A)
Integral DC-DC Converter for constant output power
through to complete discharge of the battery or rechargeable
battery
Operating time display with blinking signal
Battery status transmission to the Receiver Operating and peak deviation indicator
3 Manuals
Service manual supplement
Manual type:
Service manual supplement
Pages:
2
Size:
409.8 KB
Language:
english, german
Revision:
Manual-ID:
SI 960718-12
Date:
Quality:
Electronic document, no scan, very well readable.
Upload date:
Oct. 29, 2017
MD5:
86ebf145-ba83-32c8-56ea-a34a9f340b30
Downloads:
505
Last month downloads:
5
Information
With some SK 50-UHF there may be low-frequent rumble in
range 3 (680 - 800 MHz) and range 4 (800 - 960 MHz).
Service manual
Manual type:
Service manual
Pages:
41
Size:
1.2 MB
Language:
english, german
Revision:
Manual-ID:
Date:
January 1993
Quality:
Electronic document, no scan, very well readable.
Upload date:
Oct. 29, 2017
MD5:
9d520f7d-e7cd-ea90-c873-028cc02b8693
Downloads:
1039
Last month downloads:
6
Information
1. OPERATING ELEMENTS 3
2. TECHNICAL DATA 4
3. DESCRIPTION 5
3.1. MECHANICAL CONSTRUCTION 5
3.2. AUDIO FREQUENCY SECTION 5
3.3. RADIO FREQUENCY SECTION 7
3.4 Power Supply (DC) 9
3.5. CIRCUIT DIAGRAM IN A FEW WORDS 10
3.6. CALCULATING THE ANTENNA LENGTH 13
4. SERVICE HINTS 14
4.1. GENERAL 14
4.2. DISASSEMBLY 14
4.3. ALIGNMENT 14
4.4. CHANGING CHANNEL FREQUENCIES 15
4.5. SMD (SURFACE MOUNTED DEVICES) 15
5. SPECIAL TOOLS AND EQUIPMENT 16
6. TEST SET-UP 16
7. TEST AND ALIGNMENT INSTRUCTIONS 19
8. CIRCUIT DIAGRAMS 21
8.1. SK 50 UHF 21
8.2 SK 250 UHF 22
9. PRINTED CIRCUIT BOARD 23
8.1. SK 50 UHF 23
8.2 SK 250 UHF 24
10. EXPLODED VIEW 25
11. SPARE PARTS 26
Service manual
Manual type:
Service manual
Pages:
50
Size:
5.4 MB
Language:
english, german
Revision:
Manual-ID:
Date:
1994
Quality:
Scanned document, all readable.
Upload date:
Dec. 28, 2025
MD5:
941ce2c4-29e6-4c6f-d8ac-08c0be702a2a
Uploader:
marco
Downloads:
23
Last month downloads:
9