Figure 9.2-23. Pmle2537A/ Pmle2537D/ Pmle2537F Frequency Generation Unit (Fgu) Schematic - Sheet 2 Of 4 - Motorola XTS 2500 Service Manual

9.2-24
AUX3
4.6VSF_OUT
2113946B04
D271 D273
L270
0613952R66
390nH
VCTRL
2414032F41
R290 0
L271
36nH
C278 D272 D274
100pF
2113944A40
TX VCO
Figure 9.2-23. PMLE2537A/ PMLE2537D/ PMLE2537F Frequency Generation Unit (FGU) Schematic – Sheet 2 of 4
February 14, 2012
C292
0.1uF
2113946B04
Q273
4815055H01
UMC5NT2G
0
NP
R287
0
R288
0613952R66
R271
6.8K
L275 R272
0613952Q93
390nH 150
C281
2414032F41 0613952Q53
100pF
C280
C279
100pF
R270
8.2K
0.1uF
0613952Q95
L274
390nH
2113740L15 2414032F41
C271
7.5pF 2113944M14
C274
4885061Y01
6.8pF Q271
C282
C272
2.0pF
6.8pF
2113944A08
2113740L14
C275
C273
12pF
L272
3.3pF
2113944M20
8nH
IDCTR
2113944A13
C277
2415010H03
51pF
2113740L35
C276
L273
8.2pF
390nH
2113944M16
2414032F41
R284
100
0613952Q49
0613952R66
R286 0
C283
0.1uF
2113946B04
2113944A40
L276 R277
C284 R278
390nH 56 NP
100pF 8.2K
0662057M44
L278
C287
27nH
100pF
2488090Y18
C285
1.5pF 2113944A40 C288 C293
Q272
6.8pF 7.5pF
4885061Y01
2113944A05
C286 2113944A21 2113944A22
R279
R280 100pF
4.3K
100
R285
1K
0613952Q73
UHF1 Schematics, Board Overlays, and Parts Lists
Tx_VCO_Out
L279
27nH
2488090Y18
R289 0
0613952R66
C294
15pF
2113944A27
L280
1uH
2414017Q47
C289
9.1pF
2113944A24
TXRF_OUT
PRES_RX_IN
PRES_IN
C291
100pF
2113944A40
TP_PRESCALAR_OUT
TPSM0_508
1
L277
27nH
2413926G12
C290
2113944A22
7.5pF
6816985H01-F