AVcomm Developments Ltd.

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A.M. SIGNAL SOURCE


Type QB16





SPECIFICATION

Consistant with :- CAA Cap 208 - VHF Comm, and EMC EN5081-2

Frequencies (MHz) 121.5/243 (A) 78.4/156.8 (B) 172/344 (C) 125/250 (D) *

Output Level -20 dBm nominal (+/- 5 dB)

Spurious Emissions < 2nW (0- 400 MHz) < 400pW (108-137 MHz)

and - 45dB on alternative carrier

AM Modulation Depth 50% (+/- 10%)

Modulation Frequency 800 Hz (+/- 10%) sinusoidal

Carrier Frequency Accuracy +/- 10 parts per million @ 0-30 C

Spurious F.M. < 1K Hz

Battery Voltage 8 -10.5Volts (PP3 style alkaline or lithium battery)

Battery OK indicator when > 8.3 V

Current Consumption < 30 mA (typical battery life 24 Hrs use on lithium)

* Other paired frequencies available within the range 108 - 180 Mhz and harmonic.


/handbook/qb6bro2.doc issue 3 - Sept 01