Sennheiser Electronic SK 250 UHF Transmisor
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Modelo:
SK 250 UHF
Fecha:
1993
Categoría:
Grupo:
Descripción:
Mikroport body-pack transmitters
Información
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 transmitters 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
Type manuel:
Manual de servicio
Páginas:
41
Tamaño:
1.16 Mbytes (1218546 Bytes)
Idioma:
english, german
Revisión:
Manuel-ID:
Fecha:
1993 01 01
Formato:
Documento electrónico, sin análisis, muy bien legible.
Fecha de subida:
2017 10 29
MD5:
9d520f7de7cdea90c873028cc02b8693
Descargas:
864
Información
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