Codan NGT 2010 RF User Manual

Index
NGT Transceiver System Technical Service Manual Index-3
NRI 249
brief description
259
dismantling
275
drawings
289
fault finding
269
LED indicators
273
overview
250
parts lists
287
pin connections
254
specifications
249, 252
technical description
263
test procedures
277
upgrading firmware
271
NRI Microcontroller PCB
technical description
265
testing
280
NRI User Connect PCB
technical description
264
testing
283
NRI Vocoder PCB
technical description
267
testing
281
O
ordering information 31
overview
249
3012
291, 292
8571
319, 320
high power
207, 208
NGT
33, 34
NRI
249, 250
P
PA
adjusting
active bias
184
balance control
185
bias gain
182
checking intermodulation
187
driver bias
176
high output power
180
low output power
182
PA gain
189
PA PCB
supply voltages
74, 108, 151
transmit path
81, 113
packaging
26
parts lists
3012
315
8571
361
high power
245
NGT
197
NRI
287
PCB
microprocessors and control
Application Processor
98
Application Processor Handset & Data I/F
126
Application Processor Handset I/F 3 V
126
Audio & Interconnect
127
Audio Interconnect & Data I/O
127
Audio Interface
99
Filter and Control
100, 127
RF/IF
99, 127
receive path
Audio & Interconnect
119
Audio Interconnect & Data I/O
119
Audio Interface
91
supply voltages
Application Processor
73, 149
Application Processor Handset & Data I/F
107, 150
Application Processor Handset I/F 3 V
107, 149
Audio
72, 147
Audio & Interconnect
106, 148
Audio Interconnect & Data I/O
107, 149
Audio Interface
73, 148
Backplane
353
Dual Line Equaliser
354
Filter and Control
74, 108, 151
Handset
72, 106, 147
Microprocessor
72, 147
Microprocessor & TCVR Interface
353
PA
74, 108, 151
RF/IF
73, 74, 108, 150, 151
transmit path
Application Processor
78
Application Processor Handset & Data I/F
110
Application Processor Handset I/F 3 V
110
Audio & Interconnect
109
Audio Interconnect & Data I/O
109
Audio Interface
77
PA
81, 113
RF/IF
79, 110
pin connections
3012
297
8571
324
high power
211
NGT
41
NRI
254
power
output
checking
195
power supply
3012
305
8571
336

Codan NGT 2010 RF Specifications

General

Brand	Codan
Model	NGT 2010 RF
Category	Transceiver
Language	English