Kenwood TK-285/(N) Transceiver
Hersteller:
Modell:
TK-285/(N)
Datum:
2000
Kategorie:
Gruppe:
Beschreibung:
VHF FM TRANSCEIVER
Information
General Frequency Range RX, TX.............................................................................. K, E : 217 to 250MHz (RX) 218 to 250MHz (TX) (N)M : 240 to 270MHz (TX, RX) Channel Spacing .............................................................. 12.5kHz (PLL channel stepping, 6.25kHz) Battery Voltage................................................................. DC 7.5V ±20% Battery Life (Conventional Mode) ..................................... More than 8 hours at 5-5-90 duty cycle with KNB-16A battery More than 10 hours at 5-5-90 duty cycle with KNB-17A battery Temprature Range ........................................................... –30°C to +60°C (-22°F to + 140°F) Dimension and Weight With KNB-16A (1100mAh battery) ................................ 5.33” (135mm) H x 2.29” (58mm) W x 1.34” (34mm) D 1.01lbs (460g) (Dimensions not including Protrusions, Weight includes Antenna and belt hook) Receiver (Measurements made per TIA/EIA-603, ETS) RF Input Impedance......................................................... 50W Sensitivity 12dB SINAD .................................................................. 0.28mV Selectivity ......................................................................... 63dB (EIA), 63dB (ETS) Intermodulation ................................................................ 65dB (EIA), 65dB (ETS) Spurious (Except for IF 1/2) ............................................. 70dB Frequency Stability ........................................................... ±0.00025% (-30°C to +60°C) Channel Spread ............................................................... 33MHz : K, E 30MHz : (N)M Audio Power Output ......................................................... 500mW at 16W less than 5% distortion Transmitter (Measurements made per TIA/EIA-603,ETS) RF Power Output Hi ...................................................................................5W Low ................................................................................1W RF Output Impedance ...................................................... 50W Spurious ........................................................................... -70dB (EIA), -36dBm £ 1GHz,-30dBm >1GHz (ETS) Modulation ....................................................................... 8K50F3E, 7K50F2D (E, (N)M) 11K0F3E, 10K5F2D (K) FM Noise .......................................................................... -40dB Audio Distortion ................................................................ Less than 3% Frequency Stability ........................................................... ±0.00025% (-30°C to +60°C) Channel Spread ............................................................... 32MHz : K, E 30MHz : (N)M

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Serviceanleitung
Dokumenttyp:
Serviceanleitung
Seiten:
42
Größe:
3.28 Mbytes (3440357 Bytes)
Sprache:
english
Revision:
Dokument-ID:
B51-8530-00(S) 847
Datum:
01 Juni 2000
Qualität:
Elektronisches Dokument, kein Scan, sehr gut lesbar.
Upload Datum:
31 Dezember 2016
MD5:
8bb814fe9fb0d52c8b5c0fcc709671ad
Downloads:
214
Information
GENERAL ... 2 SYSTEM SET-UP ... 2 OPERATING FEATURES ... 3 REALIGNMENT ... 4 CIRCUIT DESCRIPTION ... 6 SEMICONDUCTOR DATA ... 11 DESCRIPTION OF COMPONENTS ... 13 PARTS LIST ... 14 EXPLODED VIEW ... 22 PACKING ... 23 ADJUSTMENT ... 24 TERMINAL FUNCTION ... 32 PC BOARD VIEWS DISPLAY UNIT (X54-3210-13) ... 33 TX-RX UNIT (X57-619X-XX) ... 39 SCHEMATIC DIAGRAM ... 45 BLOCK DIAGRAM ... 49 LEVEL DIAGRAM ... 51 OPTIONS ... 52 SPECIFICATIONS ... BACK COVER

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