Mitrek Calculators

Motorola Mitrek Channel Element Oscillator Frequency Calculation
Transmitter
Model Number Group Freq Band Formula Crystal Range (MHz) Calculator
Tx Freq Fo       Xtal Freq Fx
T41JJA-T81JJA Extended 29.0-29.7 Fo /3 9.66-9.90
T41JJA-T81JJA 29.7-39 Fo /3 9.90-13.00
T41JJA-T81JJA 39-50 Fo /3 13.00-16.66
T41JJA-T81JJA Extended 50-54 Fo /3 16.66-18.00
T43JJA-T83JJA 136-146 Fo /12 11.33-12.16
T43JJA-T83JJA 144-148 Fo /12 12.00-12.33
T43JJA-T83JJA 146-174 Fo /12 12.16-14.5
T43JJA-T83JJA Modified 222-225 Fo /18 12.33-12.5
T44JJA-T84JJA 406-420 Fo /36 12.22-12.50
T44JJA-T84JJA Extended 420-430 Fo /36 12.22-12.50
T44JJA-T84JJA Extended 430-450 Fo /36 12.22-12.50
T44JJA-T74JJA* 450-470 Fo /36 18.26-20.84
T44JJA-T74JJA 470-494 Fo /36 18.05-18.88
T44JJA-T74JJA* 494-512 Fo /36 18.97-20.72
Motorola Mitrek Channel Element Xtal Oscillator Frequency Calculation
Receiver
Model Number Group Freq Band Formula Crystal Range (MHz) Calculator
Rx Freq Fo       Xtal Freq Fx
T41JJA-T81JJA 25-30 (Fo+5.26) /2 15.13-17.63
T41JJA-T81JJA 30-36 (Fo+5.26) /3 11.75-13.75
T41JJA-T81JJA 36-42 (Fo+5.26) /3 13.75-14.91
T41JJA-T81JJA 42-50 (Fo-5.26) /3 12.24-14.91
T41JJA-T81JJA Extended -Low inj 50-54 (Fo-5.26) /3 14.91-16.24
T43JJA-T83JJA 136-146 (Fo-10.7) /3 48.9-52.23
T43JJA-T83JJA 144-148 (Fo-10.7) /3 51.56-52.9
T43JJA-T83JJA 146-174 (Fo-10.7) /3 52.23-61.56
T43JJA-T83JJA Modified -Low Inj 222-225 (Fo-10.7) /4 52.82-53.57
T44JJA-T84JJA 406-420 (Fo-10.7) /9 17.48-17.98
T44JJA-T84JJA Extended 420-430 (Fo-10.7) /9 17.98-18.40
T44JJA-T84JJA Extended 440-450 (Fo-10.7) /9 18.82-19.23
T44JJA-T84JJA 450-470 (Fo-10.7) /9 19.23-21.82
T44JJA-T84JJA 470-494 (Fo-10.7) /9 19.23-21.82
T44JJA-T84JJA 494-512 (Fo-10.7) /9 19.23-21.82