Specifications; General - Codan NGT 2010 RF Technical & Service Manual

NGT—Overview and specifications

Specifications

The figures listed for specifications are normally exceeded by production equipment.
Where relevant, typical values are given in brackets [ ]. All measurements are made at
13.6 V DC, with 50 Ω source and load resistances at 25°C ambient temperature, unless
otherwise specified.

General

Table 1: General specifications
Item
Frequency range
Channel capacity
(single or two-frequency
simplex channels)
Frequency generation
Operating modes
Frequency stability
Oven warm up time
Programming
Transmit/Receive
switching
RF input/output
impedance
Supply voltage
36
Specification
Transmit:
Receive:
AR, SR, ASR, AR Voice,
SRx:
CR:
VR:
All frequencies generated by synthesiser and DDS with 10 Hz resolution
Single sideband (J3E) USB or LSB or switched USB/LSB, (AM: H3E
optional)
±1.5 [1] ppm
±0.3 ppm
1 minute nominal
Frequencies and options are programmed via the RS232 socket on the handset
using NSP programming software and a PC
Channels may be entered from the handset by qualified personnel or (where
authorised) by the user
Using GPIO port on 2010 RF unit:
Using GPIO port on 2012 RF unit:
50 Ω nominal
13.6 V DC nominal, negative earth
Nominal operating
range:
Functional range:
Reverse polarity protected
1.6 to 30 MHz
0.25 to 30 MHz
400
100
20
–30 to +60°C
(–22 to 140°F)
–30 to +60°C
(–22 to 140°F)
10.8 to 15 V
9 to 16 V (not specified)
NGT Transceiver System Technical Service Manual
(08-05261)
(08-05889)
35 ms
15 ms