en:se-108
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+ | ====== SE-108: K1-Gerät ====== | ||
+ | **Kleinfunkgerät der Artillerie K1** (Low Power Set of the Artillery K); developed and produced by [[Zellweger|Zellweger AG, Uster]]. | ||
+ | In the mit - thirties, [[Zellweger]], | ||
+ | The battery operated set **K1** operates in the 4 - 6 MHz range, the similar **[[SE-109|K1A]]** can be operated from batteries or a hand cranked generator and operates in the 22 - 28 MHz range. | ||
+ | |||
+ | ===== Technical Data ===== | ||
+ | {{ : | ||
+ | * [[Principle]]: | ||
+ | * [[Modes]]: [[A1]], [[A3|AM (A3)]] | ||
+ | * [[Frequency range]]: 4 - 6 MHz, lock positions every 10 kHz | ||
+ | * [[Sensitivity]]: | ||
+ | * [[Output power]]: 1 W | ||
+ | |||
+ | ==== Power supply ==== | ||
+ | * [[Accumulator / Batteries]]: | ||
+ | |||
+ | ==== Dimensions ==== | ||
+ | * 320 x 455 x 220 mm, 20,5 kg | ||
+ | The wireless set consists of the **Apparatekasten** (case with the transceiver and a battery compartment) and a **Reservematerialkasten** (20 kg; spares case). | ||
+ | |||
+ | ==== Accessories ==== | ||
+ | * Standard antenna is a whip antenna consisting of ten segments and a total length of 3,3 m, in addition to this two counterpoise wires of 5 m of length. | ||
+ | * In later years, a **NG K1 K1A P P5** power supply was available to power the set without the need for batteries. | ||
+ | |||
+ | ---- | ||
+ | {{: | ||
+ | ===== Operation ===== | ||
+ | The K 1 set (Artillery set) consists of a transceiver case with a battery compartment (weight 20,5 kg) and a spares case (another 20 kg) with spare tubes and batteries. | ||
+ | |||
+ | The transceiver has to be powered from a 6V heaters / LT battery and two 60V anode / HT batteries, another two batteries of each type stored in the spares case will give an operation autonomy of around 80 hours. | ||
+ | |||
+ | {{ : | ||
+ | |||
+ | As found in other Zellweger sets, the main switch has it's zero / off position in the middle, turn it to the left for telegraphy mode and to the right for telephony mode, the control also acts as volume control. A ring switch at the microphone / headphones combination activates the transceiver. | ||
+ | |||
+ | Use the antenna tuning control to adjust for a maximum reading on the antenna current instrument when the transmit switch is activated; the meter can also be switched to indicate the heaters (blue/ | ||
+ | |||
+ | The accessories can be stored in a compartment just below the transceiver chassis: the LT and the two HT batteries, the headphones, the hand mike and the throat microphone. | ||
+ | |||
+ | The set's operation range is 5 km in telephony and 10 km in telegraphy mode under standard conditions and up to 20 or 40 km from a optimum location on top of a hill. | ||
+ | |||
+ | ===== Technical Principle ===== | ||
+ | {{: | ||
+ | |||
+ | In the **Receiver** the signal from the antenna is mixed in the mixer stage (V4, [[de: | ||
+ | |||
+ | ==== Valve layout ==== | ||
+ | V1 ([[de: | ||
+ | |||
+ | ==== Development ==== | ||
+ | For use of the artillery units and as a replacement set for the [[SE-210|TL]], | ||
+ | |||
+ | The number of sets (143 units or according to the documentation " | ||
+ | |||
+ | ==== Field Use ==== | ||
+ | |||
+ | {{gallery>: | ||
+ | |||
+ | ===== Technical Manuals ===== | ||
+ | * {{ : | ||
+ | |||
+ | ==== Additional information ==== | ||
+ | * [[http:// | ||
+ | * [[https:// | ||
+ | * [[http:// |
en/se-108.txt · Zuletzt geändert: 2018/12/25 17:33 von 127.0.0.1