NMX920 OEM Integrators Guide
Page 8 of 21
during transmission. This current must be available instantly; the modem has less
than 15 msec to change from receive mode to transmit mode, and at this point the
power amplifier has finished its startup sequence. Additionally, the power supply
must be able to provide this current without voltage sag for a maximum length
transmission, about 980 msec. The OEM power supply should fall within the
following template for reliable modem operation.
7.5v
6.5v
2000mA
OUTPUT
CURRENT
OUTPUT
VOLTAGE
The output voltage must stay within these limits for any transient load change
greater than 10uS.
