Magnum AlphaForce Operating Manual - page 12
MAGNUM INTERNATIONAL
A Division of RF Limited
PO Box 445 • Issaquah WA 98027
Telephone 425-558-9592 • Facsimile 425-558-9704
Technical Support Only 1-877-MAGNUM-9 (1-877-624-6869)
http://www.magnum-radio.com
E-Mail info@magnum-radio.com
GENERAL SPECIFICATIONS
Frequency Coverage
: Transmit and Receive ...................................... 28.000 to 29.699 MHz
Antenna Impedance
: 50 ohm, unbalanced
Frequency Control
: Digital Phase-Lock Loop (PLL) Synthesizer
Frequency Accuracy
: Better than +10 ppm from 0 - 40
0
C after 15 min. warm up
Power Requirement
: 12 - 13.8 V DC, negative ground
Current Consumption
: 6 amps maximum
Dimensions
: 7.75 x 2.5 x 10.75 in (W x H x D)
Weight
: 4 lbs
TRANSMITTER SPECIFICATIONS
Power Output
: FM ......................................................................................... 30 Watts
: AM ................................................... 9 Watts Average / 30 Watts PEP
Tuning Steps
: 1 kHz / 10 kHz / 100 kHz
Final Transistors
: 2SC1969 (x2)
Spurious Emissions
: More than 50 dB below peak output power
Carrier Suppression
: More than 40 dB below peak output power
FM Deviation
: +/- 2 kHz maximum
Audio Response
: More than 30dB below peak output
Frequency Response
: 400 to 2800 Hz
Microphone Impedance
: ECM, 600 to 1K ohms
RECEIVER SPECIFICATIONS
Circuit Type
: Dual-Conversion Superheterodyne
Intermediate Frequencies
: 1st IF ................................................................................ 10.695 MHz
: 2nd IF ..................................................................................... 455 kHz
Sensitivity
: AM ................................................................ 1.0 µV at 10 dB S + N/N
: FM ................................................................... 0.3 µV at 12 dB SINAD
Selectivity
: AM / FM .......................................... 6.0 kHz (-6 dB) / 18 kHz (-60 dB)
Adjacent Channel Rejection
: Better than 70 dB
IF Rejection
: Better than 80 dB for all frequencies
Frequency Response
: 250 to 3000 Hz
Audio Output Power
: 2 watts minimum at 10% THD with an 8 ohm load
Audio Output Impedance
: 8 ohms