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82 Messtechnik
MP1
R1
BU1
↑↑
PTC
D9
13,2V/0,75A
UB 7.5V
max.500mA
SK14
R4
10R
10R
R5
D2
R8
330R
+
+
C3
C4
C5
10u
10u
16V
16V
MP16
R21
100K
Temp-
Sensor
+2.5V
1
2
3
4
5
6
7
8
9
10
C14
C15
C16
n.i.p.
100p
100p
100p
50V
50V
50V
L1
MCO
220nH
C75
ST2
+2.5V
220p
1
DDS-Taktsignal
50V
2
3
4
MP28
MP29
n.i.p.
R33
+2.5V
1K
10K
R34
PRG1
+2.5V
6
+UB
5
BOOT
4
RX
3
TX
2
RST
1
GND
C21
100n
16V
+2.5V
+
C24
C25
C26
C27
C28
47u
4u7
100n
10n
1n
10V
10V
16V
50V
50V
SMD
Tantal
Bild 2: Schaltbild der Ladeschaltung und des Mikrocontrollerteils beim DDS101
www.elvjournal.de
D1
T5
D8
SK14
MP8
FZT789
MP9
rot
Ladeschaltung
D3
MP11
100n
ZPD5V1
T6
16V
BC848C
C6
IC3
100n
MP15
16V
6
+UB
7
INH
8
3
CC
BAT
5
2
TS
/LED
1
TM
D6
4
GND
C9
BQ2002T
10n
50V
R25
100K
C17
C18
C19
100p
100p
100p
50V
50V
50V
Tx OUT
L2
Rx IN
R64
DAC
22R
220nH
SCLK
FSYNC
SDATA
Q1
C22
C23
24 MHz
27p
27p
50V
50V
C29
C30
C31
C32
C33
C34
C35
C36
100n
10n
1n
100n
10n
1n
100n
16V
50V
50V
16V
50V
50V
16V
MP2
IC2
IN
OUT
TLE4274DV33
C1
GND
D10
10u
16V
1N4148W
MP6
R6
↑↑
SK14
PTC
15V/1.25A
MP10
BAT1
MP12
BAT2
C7
100n
16V
MP17
BAT3
3x
C8
1,5V Micro
AAA
100n
MP18
16V
IC1
26
PB0
27
PB1
28
PB2 BOOT1
+2.5V
55
PB3 JTDO
56
PB4 JNTRST
1
57
VBAT
PB5
58
PB6
59
PB7
61
PB8
62
PB9
29
PB10
14
30
PA0 WKUP
PB11
15
33
PA1
PB12
16
34
MP26
PA2
PB13
17
35
MP27
PA3
PB14
20
36
PA4
PB15
21
PA5
22
8
PA6
PC0
23
9
PA7
PC1
41
10
PA8
PC2
42
11
PA9
PC3
43
24
PA10
PC4
44
25
PA11
PC5
45
37
PA12
PC6
46
38
PA13 JTMS SWDIO
PC7
49
39
PA14 JTCK SWCLK
PC8
50
40
PA15 JTDI
PC9
51
PC10
52
PC11
53
PC12
7
NRST
60
2
BOOT0
PC13 TAMPER RTC
3
PC14 OSC32_IN
4
PC15 OSC32_OUT
R35
5
PD0 OSC_IN
6
0R
PD1 OSC_OUT
54
PD2
STM32F107RC
Mikrocontroller
R37
22R
IC1
19
32
48
64
13
C37
Vcc
Vcc
Vcc
Vcc
AVcc
GND
GND
GND
GND
AGND
10n
1n
50V
50V
18
31
47
63
12
MP3
MP4
T1
T2
C2
IRLML
IRLML
6401
2502PbF
10u
16V
T3
T4
+UBAT
IRLML
IRLML
6401
6401
MP13
D5
T7
BC848C
BAT43W
D4
BAT43W
C12
100n
16V
C13
MP19
100n
16V
C20
MP20
100n
16V
MP21
MP23
C10
100n
R28
16V
MP24
10K
C11
100n
16V
REG-CTRL
U-OLED
+
C42
C38
C39
C40
C41
47u
100n
1u
10n
1n
10V SMD
16V
16V
50V
50V
Tantal
MP5
+UB
MP14
DR1
5
1
A
3
B
2
C
4
Inkrementalgeber
mit Taster TA3
R65
MP22
47R
TA1
TA1
Taster mit
LED gruen
R66
MP25
47R
TA2
TA2
Taster mit
LED gruen
BU2
1
2
3
4
5
6
7
8
9
10
11
12
MP30
BU3
1
2
3
4
5
6
7
8
9
10
11
12
BU4
1
2
3
4
5
6
7
8
9
10
11
12
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