Operations Manual

Installation and Operation
MCPS2000 System Operation 17
Spectrian Proprietary -- See notice on first page
46. Set and verify the RF input drive level for each individual channel
a. Key-on each RF input channel individually.
b. Monitor the RF input using a HP436A or equivalent power.
c. Verify that the maximum input power for that channel does not exceed the
calculated levels on the RF Drive Power worksheet (line G).
d. Key off the channel and repeat for the remaining channels. Continue to
verify the required channel input power is not exceeded.
47. After verifying the power of each individual channel individually, ensure that
the total average input power remains less than or equal to the maximum rated
composite power (-1.6 dBm).
a. Key-on all channels at one time, including any CDMA F.A.s, and continue
to monitor input power.
If the average composite input power exceeds the calculated average
composite input power (line H), readjust all channels as necessary to ensure
average input power remains less than or equal to specifications.
RF Drive Power Worksheet
A) Total output power (P
OUT
) required = W dBm
B) Determine total output required for each fully loaded
CDMA Frequency Assignment (FA):
# of FA’s =
total power per FA =
total CDMA power (P
CDMA
) =
Total available analog power (P
AN
) =
(P
AN
= P
OUT
– P
CDMA
)
W
D) Total # of analog channels, including setup (#ch) =
E) Maximum per channel analog output power (P
AN
/ch) =
(P
AN
/ch = P
AN
/# of channels)
WdBm
F) System Gain (Gain) = dB
G) Maximum per channel analog input power (P
IN
/ch ) =
(P
IN
/ch in dBm = P
AN
/ch in dBm – Gain in dB)
dBm
H) Maximum composite input power (P
IN
)=
(P
IN
= P
OUT
in dBm – Gain in dB)
dBm