ON TOUR XTB (serv.man12) - JBL Audio EMC - CB Certificate (repair manual). Page 12

 

 

 

 

 

 

 
5.1. 

Maximum Transmit Power Para. No.: 4.3.1 

 
 

Test Performed By: Alan Laudani 

Date of Test: February 10, 2010 

 
Method of Measurement: 

5.7.2.2 Conducted measurements 

 
Test Conditions: 

 

Ambient Temperature: 24

C 

    Relative 

Humidity: 

40% 

    Max 

Measurement 

Uncertainty: 

= 

±1.5dBm

 

 

Measurement Uncertainty (Actual): 
 

Contribution 

Probability 

Distribution 

Type 

Probability 

Distribution x

i

Standard 

Uncertainty 

u(x

i

) 

[u(x

i

)]

2

 

1 Power Meter 

Rectangular

0.30

0.17

0.03

2 Cable 

Rectangular

0.50

0.29

0.08

3 EUT Setup 

Rectangular

1.00

0.58

0.33

     

  

Combined Uncertainty (u

c

):

0.67

   

  

Coverage Factor (k):

2

   

  

Expanded Uncertainty:

1.34

 
Limits:  4.3.1.2 …less than or equal to –10 dBW  e.i.r.p., EUT Complies 
 
 
Measurement Data: 

RF Output Power 

 

Frequency 

(MHz) 

Ouput 

Power 

(dBm) 

E.I.R.P. 

(dBm) 

E.I.R.P. 

(dBW) 

2402 3.29 7.39 

-22.61 

2441 1.96 6.06 

-23.94 

2480 1.47 5.57 

-24.43 

 
Peak Max Hold implies 100 % duty cycle 
Peak max hold plots at 3 MHz RBW. 
4.1 dBi antenna gain 
No duty cycle 
Antenna: BT/802.11b/g application 2.45 GHz size 7.8 × 3.6 Gain 4.1 dBi