Hytera PT580 - RF Section; TX Circuit; Diagram of RF Section; Circuit Description

Service Manual
Circuit Description
1. RF Section
The frequency range for PT580 F5 is 806~870MHz (in TMO mode, the frequency range for TX is
806~825MHz, while the frequency range for RX is 851~870MHz; in DMO mode, the frequency range for
both TX and RX is 851~870MHz). The block diagram for the RF section is shown below.
PA
Cartesian
Loop ASIC
RX FGU
POWER_RF
BB TOP
Figure 1 Diagram of RF Section
The RF section consists of PA module, Cartesian Loop ASIC module, RX module, FGU and power
supply module (POWER_RF).
1.1 TX Circuit
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