Kenwood NX-300 Service Manual

Also see for NEXEDGE NX-300: Brochure Instruction manual Instruction manual Instruction manual Instruction manual

Contents

NX-300 SPECIFICATIONSGENERALModels ............................................................................. K : Basic Model K3 : w / 12-key ModelFrequency Range ............................................................. 450~520 MHzNumber of Channels ........................................................ 512Zones ............................................................................... 128Max. Channels per Zone ................................................. 250Channel Spacing .............................................................. Analog : 12.5/25 kHz Digital : 6.25/12.5 kHzOperating Voltage ............................................................ 7.5V DC ± 20%Battery Life (with KNB-48L) ............................................. 5-5-90 duty cycle : more than 12.5 hours10-10-80 duty cycle : more than 8.5 hoursOperating Temperature Range ........................................ –22°F to +140°F (–30°C to +60°C)Frequency Stability .......................................................... ± 1.0 ppmAntenna Impedance ........................................................ 50ΩDimensions (W x H x D) (Projections not included)Radio only ................................................................... 2.28” x 5.02” x 1.63” (58 x 127.5 x 41.3 mm)with KNB-47L .............................................................. 2.28” x 5.02” x 1.63” (58 x 127.5 x 41.3 mm)with KNB-48L .............................................................. 2.28” x 5.02” x 1.91” (58 x 127.5 x 48.5 mm)WeightRadio only ................................................................... 8.82 oz (250g)with KNB-47L .............................................................. 13.23 oz (375g)with KNB-48L .............................................................. 14.29 oz (405g)RECEIVERSensitivity ........................................................................ Digital @6.25kHz (3% BER) : 0.20μV Digital @12.5kHz (3% BER) : 0.25μVAnalog (12dB SINAD) : 0.25μVSelectivity ........................................................................ Analog @25kHz : 72dB Analog @12.5kHz : 65dBIntermodulation Distortion ............................................... Analog : 70dB (± 50, 100kHz)Spurious Response .......................................................... Analog : 70dBAudio Distortion ............................................................... Less than 3%Audio Output ................................................................... 500mW / 8ΩTRANSMITTERRF Power Output ............................................................. 5W / 1WSpurious Response .......................................................... 70dBFM Hum and Noise ......................................................... Analog @25kHz : 45dB Analog @12.5kHz : 40dBAudio Distortion ............................................................... Less than 3%Modulation ....................................................................... 16K0F3E, 11K0F3E, 8K30F1E, 8K30F1D, 8K30F7W, 4K00F1E, 4K00F1D,4K00F7W, 4K00F2DAnalog measurements made per TIA/EIA 603KENWOOD reserves the right to change specifications without prior notice or obligation.2967-3, Ishikawa-machi, Hachioji-shi, Tokyo, 192-8525 JapanP.O. BOX 22745, 2201 East Dominguez Street, Long Beach,6070 Kestrel Road, Mississauga, Ontario, Canada L5T 1S8Rembrücker Str. 15, 63150 Heusenstamm, GermanyLeuvensesteenweg 248 J, 1800 Vilvoorde, BelgiumKENWOOD House, Dwight Road, Watford, Herts.,Amsterdamseweg 37, 1422 AC Uithoorn, The NetherlandsVia G. Sirtori, 7/9 20129 Milano, ItalyBolivia, 239-08020 Barcelona, Spain(A.C.N. 001 499 074)16 Giffnock Avenue, Centrecourt Estate, North Ryde, N.S.W. 2113 AustraliaUnit 3712-3724, Level 37, Tower one Metroplaza, 223 Hing Fong Road,1 Ang Mo Kio Street 63, Singapore 569110CA 90801-5745, U.S.A.Kwai Fong, N.T., Hong KongWD18 9EB United KingdomL’Etoile Paris Nord 2, 50 Allée des Impressionnistes,Bp 58416 Villepinte, 95944 Roissy Ch De Gaulle Cedex