After Sales
Technical Documentation
RAE/RAK–1N
RF
Page 3– 25
Amendment 1 04/97
UHF VCO buffers
The UHF VCO output signal is divided into the 1st mixer of the receiver
and the upconversion mixer of the transmitter. The UHF VCO signal is
amplified after division. There is one buffer for TX and one for RX.
Table 20. UHF VCO buffer specification
Parameter
Minimum
Typical /
Nominal
Maximum
Unit / Notes
Supply voltage
4.2
4.5
4.8
V
Supply current
5.5
6.5
mA
Frequency range
See UHF VCO specification
MHz
Input power
–3
dBm
Harmonics
–10
dBc
Output amplitude
700
mVrms / 1 kohm
PLL Circuit
The PLL is Philips UMA1018 in GSM and National LMX2331 in PCN.
The circuit is a dual frequency synthesizer including both the UHF and
VHF synthesizers.
Table 21. PLL UMA1018 (UMA1020) specification
Parameter
Minimum
Typical /
Nominal
Maximum
Unit / Notes
Supply voltage
2.7
5.5
V
Supply current
GSM
PCN
8.5
12.1
mA
mA
Principal input freq.
GSM
PCN
500
200
1200
2000
MHz, Vdd = 4.5 V
MHz, Vdd = 3.0 V
Auxiliary input freq.
GSM
PCN
20
20
300
510
MHz, Vdd = 4.5 V
MHz, Vdd = 3.0V
Input reference frequency
3
40
MHz, Vdd = 4.5 V
Input signal level
GSM
PCN
50
–10
–15
500
500
4
4
mVrms
dBm
main divider
dBm
aux. divider
mVrms ref. divider
Summary of Contents for 9000i
Page 7: ...After Sales Technical Documentation RAE RAK 1N Series Original 08 96 Chapter 1 Overview ...
Page 287: ...After Sales Technical Documentation RAE RAK 1N Series Original 08 96 Chapter 9 Service Tools ...
Page 301: ...After Sales Technical Documentation RAE 1N Series Original 04 97 Chapter 10 Schematics ...
Page 303: ...RAE 1N Original 08 96 10 11 Page 1 Figure 1 Component Layout Bottom ...
Page 304: ...RAE 1N Original 08 96 10 12 Page Figure 2 Component Layout Top ...
Page 305: ...RAE 1N Original 08 96 10 13 Page Figure 3 Baseband Circuit Diagram PWRU ...
Page 306: ...RAE 1N Original 08 96 10 14 Page Figure 4 Baseband Circuit Diagram MCM1 ...
Page 307: ...RAE 1N Original 08 96 10 15 Page Figure 5 Baseband Circuit Diagram MCM2 ...
Page 308: ...RAE 1N Original 08 96 10 16 Page Figure 6 RF TX Circuit Diagram ...
Page 309: ...RAE 1N Original 08 96 10 17 Page Figure 7 RF RX Circuit Diagram ...
Page 310: ...RAK 1N 10 20 Page Amendment 1 04 97 Figure 18 PCN Component Layout Bottom ...
Page 311: ...RAK 1N 10 21 Page Amendment 1 04 97 Figure 19 PCN Component Layout Top ...
Page 312: ...RAK 1N 10 22 Page Amendment 1 04 97 Figure 20 PCN RF TX ...
Page 313: ...RAK 1N 10 23 Page Amendment 1 04 97 Figure 21 PCN RF RX ...
Page 314: ...RAK 1N 10 24 Page Amendment 1 04 97 Figure 22 UIF Schematic PCN ...
Page 315: ...RAK 1N 10 25 Page Amendment 1 04 97 Figure 23 UIF Component Layout PCN ...
Page 316: ...RAE 1N Original 05 97 10 3 Page Figure 1 PDA Block Diagram Edit 82 for layout 13a ...
Page 317: ...RAE 1N Original 05 97 10 4 Page Figure 2 PDA Power Unit PWRU Edit 108 for layout 13a ...
Page 318: ...RAE 1N Original 05 97 10 5 Page Figure 3 PDA Serial Interface SIRU Edit 24 for layout 13a ...
Page 319: ...RAE 1N Original 05 97 10 6 Page Figure 4 PDA MCU and Memory PROCU Edit 121 for layout 13a ...
Page 320: ...RAE 1N Original 05 97 10 7 Page Figure 5 PDA EMIU Edit 21 for layout 13a ...
Page 321: ...RAE 1N Original 05 97 10 8 Page Figure 6 Keyboard matrix Edit 24 for layout 13a ...
Page 322: ...RAE 1N Original 05 97 10 9 Page Figure 7 PDA Memory Edit 28 for layout 13a ...
Page 323: ...RAE 1N Original 05 97 10 10 Page Figure 8 PDA Component Layout 13a ...
Page 324: ...RAE 1N Original 08 96 10 18 Page Figure 1 UIF Schematic ...
Page 325: ...RAE 1N Original 08 96 10 19 Page Figure 2 Component Layout Uif ...
Page 326: ...After Sales Technical Documentation RAE RAK 1N Series Original 08 96 Accessories ...
Page 352: ...After Sales Technical Documentation Appendix 2 RAE RAK 1N Amendment 1 04 97 PARTS LISTS ...
Page 402: ...After Sales Technical Documentation Appendix 1 RAE RAK 1N Original 08 96 QUICK GUIDE ...
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