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SKM 100 SKM 300 SKM 500
Part 1
Sennheiser electronic GmbH & Co. KG · D-30900 Wedemark · Tel. 0 51 30 / 600-0 Änderungen vorbehalten / Subject to alterations / Sous réserve de modification
SKM 100, SKM 300, SKM 500 05/00 1
TECHNISCHE DATEN
(Werte in Klammern entsprechen typischen Werten)
HF-TEIL
Frequenzaufbereitung ________________________________________ Phase-Locked-Loop (PLL)-Synthesizer Frequenzbereiche____________________________________________ 518 ... 550 MHz 630 ... 662 MHz 740 ... 772 MHz 790 ... 822 MHz 838 ... 870 MHz Schaltbandbreite ____________________________________________ max. 32 MHz Kanalanzahl _________________________________________________ SKM 500: 16, SKM 300: 8; SKM 100: 4 Frequenzraster ______________________________________________ 25 kHz HF-Leistung am Antennenausgang ____________________________ 30 mW, -3 dB Modulationsart ______________________________________________ FM Nennhub bei 1 kHz NF _______________________________________ ± 24 kHz Spitzenhub bei 1 kHz NF _____________________________________ ± 48 kHz
NF-TEIL
Kompandersystem __________________________________________ HDX NF-Frequenzgang (bei 1 kHz) __________________________________ 100 Hz ... 16 kHz; -3dB Klirrfaktor bei 1 kHz und Nennhub _____________________________ < 0,9% (0,5%) S/N Verhältnis (A-bewertet) ___________________________________ 100 dB
ALLGEMEIN
Nennspannung ______________________________________________ 9 V Betriebsspannung ___________________________________________ 6,0 ... 10 V Stromverbrauch bei Nennspannung ____________________________ 56 mA (52 mA) Ruhestromaufnahme ________________________________________ 100 µA Batterie ____________________________________________________ IEC 6 LR 61 (9V Block Alkaline) Betriebsdauer _______________________________________________ 8 Stunden (Varta Nr. 4022 oder 8022) Zulassung __________________________________________________ D810 002L RF / FCC ID: DMOH1EURH
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Änderungen vorbehalten
TECHNICAL DATA
(Values in brackets are typical values)
RF STAGE
RF Generation and control ____________________________________ Phase-Locked-Loop (PLL)-Synthesizer Frequency ranges____________________________________________ 518 ... 550 MHz 630 ... 662 MHz 740 ... 772 MHz 790 ... 822 MHz 838 ... 870 MHz Switching bandwidth _________________________________________ max. 32 MHz Quantity of channels _________________________________________ SKM 500: 16, SKM 300: 8; SKM 100: 4 Channel grid ________________________________________________ 25 kHz RF Power at antenna output __________________________________ 30 mW, -3 dB Modulation _________________________________________________ FM Nominal deviation at 1 kHz AF _________________________________ ± 24 kHz Peak deviation at 1 kHz AF ____________________________________ ± 48 kHz
AF STAGE
Compander system __________________________________________ HDX AF-Frequency response (Ref. 1 kHz) ___________________________ 100 Hz ... 16 kHz; -3dB THD at 1 kHz and nominal deviation ____________________________ < 0.9% (0.5%) S/N A-weighted _____________________________________________ 100 dB
GENERAL
Nominal supply voltage _______________________________________ 9 V Operating voltage ___________________________________________ 6.0 ... 10 V Current consumption at nominal voltage ________________________ 56 mA (52 mA) Stand-by current _____________________________________________ 100 µA Battery _____________________________________________________ IEC 6 LR 61 (9V Block Alkaline) Operating time ______________________________________________ 8 Hours (Varta No. 4022 or 8022) Approbation ________________________________________________ D810 002L RF / FCC ID: DMOH1EURH
Subject to alterations
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SKM 100, SKM 300, SKM 500 SIGNALFLUSSZUWEISUNG INTERCONNECTOR ASSIGNMENT
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SKM 100, SKM 300, SKM 500 HF-MODUL, BLOCKSCHALTBILD RF MODULE, BLOCK DIAGRAM
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SKM 100, SKM 300, SKM 500 HF-MODUL, STROMLAUFPLAN RF MODULE, CIRCUIT DIAGRAM
SKM 100, SKM 300, SKM 500 HF-MODUL, GEDRUCKTE SCHALTUNG, LÖTSEITE RF MODULE, PRINTED CIRCUIT BOARD, SOLDER SIDE
SKM 100, SKM 300, SKM 500 HF-MODUL, GEDRUCKTE SCHALTUNG, BESTÜCKUNGSSEITE RF MODULE, PRINTED CIRCUIT BOARD, COMPONENT SIDE
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SKM 100, SKM 300, SKM 500 NF-MODUL, STROMLAUFPLAN AF MODULE, CIRCUIT DIAGRAM
SKM 100, SKM 300, SKM 500 NF-MODUL, GEDRUCKTE SCHALTUNG, BESTÜCKUNGSSEITE AF MODULE, PRINTED CIRCUIT BOARD, COMPONENT SIDE
SKM 100, SKM 300, SKM 500 NF-MODUL, GEDRUCKTE SCHALTUNG, LÖTSEITE AF MODULE, PRINTED CIRCUIT BOARD, SOLDER SIDE
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SKM 100, SKM 300, SKM 500 05/00 10
SKM 100, SKM 300, SKM 500 PROZESSORPLATINE, STROMLAUFPLAN PROCESSOR BOARD, CIRCUIT DIAGRAM
SKM 100, SKM 300, SKM 500 PROZESSORPLATINE, GEDRUCKTE SCHALTUNG, LÖTSEITE PROCESSOR BOARD, PRINTED CIRCUIT BOARD, SOLDER SIDE
SKM 100, SKM 300, SKM 500 PROZESSORPLATINE, GEDRUCKTE SCHALTUNG, BESTÜCKUNGSSEITE PROCESSOR BOARD, PRINTED CIRCUIT BOARD, COMPONENT SIDE
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Ident.-Nr.: 81444 Printed in Germany