Motorola MICOM-3F Service Manual page 41

1.05 MHz
DSP
IF filter
RF output
DSM
45.1 MHz
1.6 - 30 MHz
Synthesizer
0÷1.25 KHz
10 Hz Res
First injection Second injection
Finj1 = 46.7 - 75.1 MHz Finj2 = 46.15 MHz
step = 8.75 KHz step = 1.25 KHz
/2 /8
VCO 1,2,3 VCO 4
Fc1 = 90.4 - 150.2 MHz Fc2 = 368.4 MHz
step = 17.5 KHz step = 10 KHz
Figure 5-2. Transmit Path Frequency Conversion Scheme
Cat. No. 6886859J01 5-3