Nat SM05, Installation And Operation Manual

Page: 10 / 56

VHF Transceiver Manual SM05 Rev 4.00
Page 1-4 Nov 26, 2003
ENG-FORM: 800-0107.DOT
CONFIDENTIAL AND PROPRIETARY TO NORTHERN AIRBORNE TECHNOLOGY LTD.
1.4.3 Receiver Specifications
Sensitivity 0.35 uV (EIA 12 dB SINAD) typical
Normally set to 0.6 uV
Selectivity (EIA 2-signal method,
-80 dB
25kHz channels)
Spurious
Response -85 dB
Audio Output
Phones-Nominal 600 ohm line output
100 mW minimum
(Transformer coupled output)
Speaker-Nominal 4 W into 8 ohms.
(Bridge output, DO NOT GROUND)
1.5 Unit Nomenclature
Tac/Com transceivers are identified by two groups of numbers. The first defines the
frequency band, and the second defines any optional attributes of the R/T.
Part numbers:
NT150-000 W/R Í Denotes Weight Reduced
Ï Ñ
Defines Frequency Band Defines Options
The options currently available are as follows:
-050 Separate 2 channel dedicated receiver module with
USFS/OAS channels installed (NT150 only).
-060 Separate 2 channel dedicated receiver module with user
defined guard channels (Some restrictions may apply).
-100 Separate DF Receiver (DF100-001), which will allow NT136
and NT150 transceivers to operate with NAT's TDF System.
-EUR Transceiver modification to provide improved adjacent
channel rejection for compliance with European
specifications.
-EXT
Transceiver modification to allow the NT30B extended range
of 33 to 50 MHz.
End of Section 1.0