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RF2514
Rev A5 DS040115
7628 Thorndike Road, Greensboro, NC 27409-9421 · For sales or technical
support, contact RFMD at (+1) 336-678-5570 or sales-support@rfmd.com.
TROUBLESHOOTING GUIDE
The following measurements were obtained from a 915MHz Evaluation Board.
Test conditions are: VCC=3.00V, RMOD_IN=10kΩ, VMOD_IN=VCC.
* Dependent on frequency of operation, board layout, and component variations.
Bibliography
1. Keese, William O., An Analysis and Performance Evaluation of a Passive Filter Design Technique for Charge Pump Phase-
Locked Loops: Application Note 1001, National Semiconductor Corp., May 1996.
2. Rhea, Randall W., Oscillator Design and Computer Simulation, 2nd Ed., Atlanta: Noble Publishing, 1995.
Pin
Number
Pin
Name
Typical DC
Voltage
Ω to GND
(Power Off)
1GND1
0.00
0
2
PD
3.00
2.7M
3
TX OUT
3.00
1.6M
4
VCC1
3.00
1.6M
5
MOD IN
0.90
1.1M
6
VCC2
2.96
1.6M
7GND2
0.00
0
8VREF P
0.911.1M
9GND3
0.00
0
10
RESNTR-
2.63
1.6M
11
RESNTR+
2.63
1.6M
12
LOOP FLT
2.52*
1.9M
13
LD FLT
2.77
234k
14
DIV CTL
3.00
1.6M
15
OSC B
2.83
1.7M
16
OSC E
2.00
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