RigPix logo

Airband transceivers logo


Back to main

Back to Airband trcvrs

Next mobile / base


Narco Avionics logo


Copyright logo


Last modified 2024-12-15

Valid HTML 4.01 Transitional

Narco MK-12D TSO

A picture of Narco MK-12D TSO

SPECIFICATIONS

GENERAL
Type:Airband transceiver
Frequency range: TX: 118.000-135.975 MHz
RX: 108.000-135.975 MHz
RX: 329.150-335.000 MHz (Additional range for glideslope version)
Tuning steps:25 KHz
Frequency stability:0.003% (No temperature reference)
Mode:AM
Channels / memory management:
Power supply:14 or 28 VDC (Depending on version)
Current drain / power consumption:RX: 700 mA @ 14 VDC
RX: 300 mA @ 28 VDC
TX: Max 4 A @ 14 VDC
TX: Max 2.2 A @ 28 VDC
Antenna impedance / connector:50 ohm / ?
Dimensions (W*H*D):? mm (?")
Weight:1.86 Kg (4.1 lb), without glideslope
2.0 Kg (4.4 lb), with glideslope
Other features:NAV functions. Auto dimmer.




RECEIVER SECTION
Receiver system: ? conversion superheterodyne
Sensitivity: COM section: 1.5 uV (6 dB S+N/N)
NAV section: 1 uV (6 dB S+N/N)
GS section: 15 uV for full GS flag (Glideslope version)
Squelch sensitivity:
Noise figure:
Selectivity: COM section
16 KHz (-6 dB)
34 KHz (-40 dB)
50 KHz (-60 dB)
NAV section
34 KHz (-6 dB)
84 KHz (-60 dB)
GS section (Glideslope version)
42 KHz (-6 dB)
180 KHz (-60 dB)
Image rejection:
AF output power / speaker: Speaker
10 W at ?% distortion / 4 ohm
Headphones
50 mW at ?% distortion / 300 ohm
External speaker connector:




TRANSMITTER SECTION
RF output power: 7 W
Modulation system:
Spurious emissions:Better than -? dB
Microphone impedance / connector:? ohm / ?-pin
Microphone input level:0.25-2 V RMS




MISCELLANEOUS
Manufactured:USA, 1981-19xx (Discontinued)
Additional info:
Related documents:
Modifications and fixes:
Reviews:
Options / Accessories:
- -