VHF SYNTHESIZED FM TRANSCEIVER

PERFORMANCE DATA AK62XX AK67XX Frequency 136-176 MHz 400-470 MHz Channel separation 12.5-20-25-30-50 KHz 12.5-20-25-30-50 KHz Modulation FM - PM FM – PM Frequency stability ±2,5 ppm (-20 +60°C) ±2,5 ppm (-20 +60°C) Operating temp. -20 +60°C -20 +60°C Antenna impedance 50? 50? Supply voltage 12.5VDC nom. (10.8Vmin -15.6V max ) 12.5VDC nom. (10.8Vmin -15.6V max ) Supply current 100 mA (receive) 2.5A (transmit- 10W) 100 mA (receive) 2.5A (transmit- 10W) Rx-Tx turnaround time Approx. 25 ms. Approx. 25 ms. TRANSMITTER • • Power output 10-15 W @ 13.2 VDC 10-15 W @ 13.2 VDC Spurious output <0.25 µW <0.25 µW Adjacent ch. power -60 dBc (12.5 KHz), -70 dBc (25 KHz) -60 dBc (12.5 KHz), -70 dBc (25 KHz) Audio freq. response within ± 2dB from 300 to 3000 Hz within ± 2dB from 300 to 3000 Hz Harmonic distortion 5% max 5% max RECEIVER • • Sensitivity20dB SINAD 0.40 µV 0.45 µV Adjacent channel sel. -60dB (12.5 KHz) -70dB (25 KHz) -60dB (12.5 KHz) -70dB (25 KHz) Spurious response -70dB -70dB Spurious emissions <2 nW <2 nW Intermod. rejection >65 dB >65 dB Audio freq. response within ±2 dB from 300 to 3000 Hz within ±2 dB from 300 to 3000 Hz Distortion 5% max 5% max