Figure 6-6. Pa Bias 2 Alignment Screen; Table 6-6. Pa Bias 2 Alignment Device Bias Current - Motorola ASTRO XTL 5000 Basic Service Manual

6-6
3. Read baseline current from current meter on power supply.
4. Add baseline current to device bias current to calculate target current.
VHF 50 W/25 W
VHF 100 W
UHF R1 40 W
UHF R1 100 W
UHF R2 45 W
700–800 MHz 35W
5. Left-click the Bias Toggle button to apply bias to gate of device.
6. Adjust softpot value until target current is achieved within
7. Left-click the Bias Toggle button to remove bias from gate of device.
8. Left-click the Program All button to save tuned value.
9. Left-click Close button to close the screen and return to the Tuner Main Menu.
October 30, 2006

Figure 6-6. PA Bias 2 Alignment Screen

Table 6-6. PA Bias 2 Alignment Device Bias Current

Band/Power Level
Radio Alignment Procedures: Transmitter Alignments
Device Bias Current (mA)
150
75
200
500
NA
250
±
10%
6871769L01-A