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Mechanical "digital" readout. AM, SSB, CW transceiver on 80, 40, 20, 15 and 10 meter amateur band. The 10 meter band is on four ranges. Transistorized VFO with 2N706 and 2N2118. The carrier balance adjustment in NCX-5 is replaced in NCX-5 MKII by the carrier insertion adjustment. In the NCX-5 MKII V10 and C7 are on a module V501 near the VFO cover. AC power supply called NCX-A is on a separate unit who include the speaker. DC/DC power supply available for mobile operation.

General characteristics

HAM bands
80m  40m  20m  15m  10m 
Frequency stability
± 50 cps per hour after warm up
Tuning steps
?
Memories
None

Receiver

RX-range
10-80 m
Modulations
AM   CW   SSB  
Sensitivity
0.5 µV for 10 dB S/N in SSB mode
Selectivity
SSB: 2.8 kHz (-6 dB)
Filters
?
Receiver system
Double conversion superheterodyne
IF-frequencies
?
Image rejection
?
Audio output
Requires external speaker

Transmitter

TX-range
10-80 m
Modulations
AM   CW   SSB  
RF-output
AM: 100 W (input), SSB: 200 W (PEP input), CW: 200 W (input)

Connections

Antenna
SO-239 + Clamps / screws
Impedance
25/100Ω
Other
-

Electrical

Power requirements
Mains (NCX-A)
Current drain RX
?
TX
?

Physical

Dimensions (w×h×d)
350 × 165 × 310 mm (13.78 × 6.50 × 12.20 in)
Weight
10.40 kg (22.9 lbs)
Form factor
Base Station
Manufactured
Between 1965 and 196x in USA

Other features

Usage
Amateur / Ham radio operators
Features + options
-
Accessories
NCX-A Power supply / speaker
RigReference ID
3657
MPN
NATIONAL-COMPANY-NCX-000005-MKII

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