1 GENERAL INFORMATION
RE2100
PAGE 1-9
9324
BLOCK DIAGRAM RE2100
4-0-25751C
SYNTHESIZER
POWER (MODULE 8)
EXCITER (MODULE 4)
KEY BOARD
(MODULE 6)
DISPLAY
(MODULE 7)
PROCESSOR
(MODULE 5)
RECEIVER (MODULE 1)
RECEIVER FRONT END
(MODULE 2)
(MODULE 3)
TCXO
Buffer
2nd
Divider
Divider
Reference
detector
Phase
Filter
Loop
logic
Control
Mirror
Current
Logic
1/n Curr.
register
Fraction
overflow
Adder
clock
Sum latch
Converter
A/D
Reference
Divider
2nd
Divider
Phase
detector
Loop
Filter
92.5-85MHz
VCO II
100-92.5MHz
VCO I
85-77.5MHz
VCO III
77.5-70MHz
VCO IV
Shift reg.
VCO 1
VCO 2
Prescaler
divider
Programmed
VCO-Buffer
Prescaler
Programmed
divider
Prescaler
LO-Buffer
buffer
Prescaler
buffer
VCO-Buffer
LO-Buffer
Modulus
Control
Logic
Filter
Bandpass
18-30MHz
9-18MHz
Bandpass
Filter
4.5-9MHz
Bandpass
Filter
1.6-4.5MHz
Bandpass
Filter
0.385-1.6MHz
Bandpass
Filter
0.385MHz
Lowpass
Filter
Filter
Lowpass
30MHz
Highpass
Filter
Filter
70MHz
Shift reg.
1.st
Mixer
1.st LO
Buffer
300kHz BW
LSB-Filter
10.73MHz
10.73MHz
AM-Filter
2.nd
Mixer
2.nd
Lo-buffer
IF
AMP
IF
AMP
SSB/AM Demodulator
AGC
Detector
Hang Time
AGC
AMP
AGC
3 kHz
Lowpass
70 Hz
Highpass
300 Hz
Highpass
Frequency
to voltage
converter
Threshold
Limeting
AMP
Buffer
AMP
S-Meter
AMP
0 dBm
AMP
Buffer Amp
Loudsp.
AMP
Earpiece
Filter
Bandpass
H1
G1
F2
G2
F1
C2
SSB/AM
Squelch Switch
Loudsp. Switch
Earpiece Switch
A1
B1
C1
0 dBm Switch
Aux AF Switch
Mic. Switch
E1
S-Meter on/off
SSB/AM
C2
E2
Det. Mute
Dependent
on Squelch
Independent
on Squelch
Tune/Alarm/Ringing
Tones on/off
Volume contr.
Switch
Distress
driver
Tune/alarm
generator
u-Processor
select
SPI-adress
+5V power
supply
-5V power
supply
+5V power
supply
Watch dog
EPROM
EEPROM
Keyboard
buffer
SCI-baud
Rote-gen
SCI-Tx
SCI-Rx
Keyboard
4x8 Matrix
EPROM
Rx and Tx
Meter
Display
driver
Meter
driver
Dimmer
Dummy load
Tune
AF-
compressor
Balanced
Modulator
Modulations
Level-control
Mode-
selector
Carrier
buffer
Carrier
Insertion
Step
attenuator
Carrier
Level-control
LSB-filter
10.73MHz
Mixer
1.st
70 MHz
IF AMP
70 MHz
Filter
AMP
70 MHz
2.nd
Mixer
LO-buffer
Shift reg.
Shift reg.
Lowpass
Filter
Supply
EX
Supply
Rx/Tx
Switch
Rx
Ex
Switch
Rx/Tx
Mute
Rx
Tx
Reset
Ex
VAPI
Sample/Hold
1.6-30 MHz
-18V
+18V from T2130
+9V
+9V
-18V
+18V
+15V
-15V
+5V
+3.5V
-15V
+15V
To exciter module
To exciter module
To all modules
To processor module
To display module
LO2 EX 70-100 MHz
59.23/80.73 MHz LO1 EX
10.73 MHz
RF on/off
Ex on/off
AF-selector
Mode-selector
Mode Ex
ATT Ex
Switch
Rx/Tx
Telex Alarm/tune tones
Mic. in
RF in/out
to T2130
B2
Hang AGC on/off
H2
Shift Register 1
Shift Register 2
H2
G2
F2
E2
D2
C2
B2
A2
A1 B1 C1 D1 E1 F1 G1 H1
C2
SSB/AM
A2
Manual RF-gain
10.73MHz
LO2 Rx 59.27 MHz/80.73 MHz
AGC on/off
Volume contr.
D1
Squelch reset
SP-bus
VF/AE-current
Rx Mute Hand Key
B
A
Q
Q
DATA-BUS/8
ADRESS-BUS/16
Ex RF
AUX AF to TX Distress out
Mic in
0 dBm output
Ext. RF-gain controle
To microtelephone edv.
AF to AFamp. T2130
Rx
6
1
1
1
1
1
2
3
1
4
2
1
1
1
2
1
3
1
4
4
1
1
1
1
1
1
2
1
1
4
2
1
6
1
7
1
2
4
3
7
3
3
3
4
6
2
4
1
3
102
10
10
Control on/off
+
-
Vref
Limit
Amp
Carrier Reinjection for SSB 10.73 MHz
LO1 Rx 70-100 MHz
Summary of Contents for RE2100
Page 1: ...S P RADIO A S AALBORG DENMARK TECHNICAL MANUAL FOR COMPACT HF SSB RE2100...
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Page 35: ...3 SERVICE RE2100 PAGE 3 5 DIAGRAM TESTBOX...
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Page 108: ...PAGE 5 8 5 CIRCUIT DESCRIPTION AND SCHEMATIC DIAGRAMS RE2100...
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Page 155: ...RE2100 CONTENTS 7 PARTS LIST...
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