Kenwood NX-3720, Service Manual

Page: 6 / 210

1-6 (No.RA054<Rev.001>)
SPECIFICATION
NX-3820(G)/3820
(E TYPE)
Analog measurements made per TIA603. Specifications are measured according to applicable standards.
JVC KENWOOD Corporation reserves the right to change specifications without prior notice or obligation.
GENERAL
Frequency Range 400~470MHz
Max. Channels per Radio Up to 1000 channels with option
Number of Channels 512
Number of Zones 128
Channel Spacing Analog 12.5 / 20 / 25 kHz
Digital 6.25 /12.5 kHz
Operating Voltage 13.2V DC (10.8~15.6 V DC)
Operating Temperature Range -30 ° C to +60 ° C
Frequency Stability ±1.0 ppm
Dimensions (W x H x D)
(Projections not included) Radio with Control Head 160 x 43 x 160 mm
Weight (net) Radio with Control Head 1.2 kg
RECEIVER
Sensitivity NXDN 3 % BER (6.25 kHz/12.5 kHz) 0.20 μ V / 0.28 μ V
NXDN 1 % BER (6.25 kHz/12.5 kHz) -5.0 dB
μ
V (0.28
μ
V) / -2 dB
μ
V (0.40
μ
V)
DMR 12.5 kHz Digital (5 % BER) -4.5 dB μ V (0.30 μ V)
DMR 12.5 kHz Digital (1 % BER) -2 dB
μ
V (0.40
μ
V)
Analog, EIA 12 dB SINAD (12.5/20&25 kHz) 0.25 μ V
Analog, EN 20 dB SINAD (12.5/20&25 kHz) -1 dB
μ
V (0.45
μ
V) / -3 dB
μ
V (0.35
μ
V)
Selectivity Analog @ 12.5kHz 68dB
Analog @ 20kHz 76dB
Analog @ 25kHz 78dB
Intermodulation Analog 70dB
Spurious Rejection Analog 80dB
Audio Distortion 2%
Audio Output 4W / 4ohm
TRANSMITTER
RF Power Output (H / L) 25W/5W
Spurious Emission -36dBm 1GHz, -30dBm>1GHz
FM Hum & Noise Analog @ 25 kHz 50dB
Analog @ 20kHz 50dB
Analog @ 12.5kHz 45dB
Modulation Distortion 2%
Emission Designator 16K0F3E, 14K0F2D, 14K0F3E, 12K0F2D, 8K50F3E,
7K50F2D, 8K30F1E, 8K30F1D, 8K30F7W, 4K00F1E,
4K00F1D, 4K00F7W, 7K60FXE, 7K60FXD, 4K00F2D