Panasonic EB-G450, Руководство по обслуживанию

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Target Power Level Peak Power (dBm) Tolerance (dB)
Initial Calibration
Value
Change per dB
L17 9 3 128 2
L18 7 3 128 1
L19 5 3 128 1
Calibration of output power on each power level
To be able to calibrate the ra ping gain it is irst necessary to s itch the unit into Test Mo e section 7 3
This proce ure ust be ollo e or all po er levels L5- L19 or lo e iu an high channels
1.
Set the C controls to Channel 62 at o er Level 5 nor al burst o ulate ith ran o ata as ollo s
a ress the o n arro until C AGE C 62 is highlighte an then press E TER
b ress the o n arro until L L19 is highlighte ress the ove le t arro until 5 appears in the
highlighte iel ress E TER
c igure 12 ress the o n arro until T ATA is highlighte ress the ove arro
until RL R
appears in the highlighte iel ress E TER
Figure 12:
T ata iel 450-0712
2.
At the GSM test unit easure the eak o er
3.
I the easure po er is in the range o the target po er see previous table then procee to step 10
4.
ress 7 to vie the TRIM or the i channel Make a note o this value
5.
er or the ollo ing calculation
Set Rgain L5 alue recor e in ste p 4 change in L to eet speci ie value or Change per
Make a note o the ans er
Issue 1 Section 7 MCUK970901C8
Revision 0 7 - 10 Service Manual
TEST AND MEASUREMENT