Noaa95 hardware

HRPT card NOAA95 photo ... (43KB)

Schematic diagrams

Note that all these files are bitmap (b/w) images sampled/sized very large to reach an acceptable quality.
We suggest to unpack and print them for an easy interpretation.
  • block diagram (main) ........................................
  • filter and demodulator .....................................
  • Manchester to NRZ ........................................
  • EPROM (line start detect) .................................
  • serial to parallel conversion ............................
  • signal management (interface to the PC BUS) ..
  • signal level ADC (display the signal strength) .....
  • BUS connections (the BUS slot ) .......................
Download ... (41KB)
Download ... (33KB)
Download ... (18KB)
Download ... (25KB)
Download ... (26KB)
Download ... (22KB)
Download ... (41KB)
Download ... (38KB)

Components layout

HRPT card NOAA95 layout ... (41KB) 


Noaa95  -  HRPT board  -  Part List

 
 
 
 
release 3.0 © 23/08/1997

Item
Quantity
Reference
Part
Note

1
4
C4,C7,C21,C23
10uF
 
214C5,C6,C16,C19,C20,C25,  

 
 C35,C37,C38,C39,C41,C42, 
 

 
 

C43,C44

100nF 

 

3
1
C9
47pF
 

4
2
C10,C11
33nF
 

5
1
C12
2.2uF
 

6
2
C14,C54
10pF
 

7
2
C15,C64
1nF
 

8
4
C17,C22,C57,C62
100pF
 

9
1
C18
220nF
 

10
1
C24
680nF
 

11
2
C58,C65
10nF
 

12
2
C60,C61
100uF
 

13
1
C66
68pF
 

14
1
C67
56pF
 

15
1
D1
BB505 or equivalent
capac. range: 3pF÷15pF, 0÷28 volt

16
1
D2
1N4148
 

17
3
J1,J2,J3
BNC
 

20
1
JP1,S1,S2
JUMPER
 

21
2
Q1,Q2
BC547
 

22
1
R2

22

 

23
1
R3
3K3
 

24
2
R4,R5
100K
 

25
8
R6,R7,R10,R16,R17,R26, 
 

 
 
R28,R38

10K 

 

26
1
R8
20K trimmer
AFC

27
1
R9
4K7
 

28
9
R11,R13,R19,R21,R29,R30, 
 

 
 
R31,R32,R33

1K
 

 

29
5
R12,R24,R25,R36,R37
470

 

30
4
R14,R18,R20,R35
47K
 

31
1
R15
20K trimmer
signal level

32
1
R23
2.2K
 

33
1
R27
15K
 

34
3
T1,T2,T4
pink
supplied with the kit

35
1
T3
orange
supplied with the kit

36
1
U2
TBA120U
supplied with the kit

37
2
U3,U4
TL082
 

38
1
U5
ADC0804
 

39
1
U7
74HC32
 

40
1
U8
74HC08
 

41
1
U9
LM311
 

42
1
U10
HD-6409
supplied with the kit

43
2
U11,U12
74HC4040
 

44
1
U13   (programmed)
27C256
supplied with the kit

45
1
U14
74HC04
must be HC or HCT

46
2
U15,U16
74HC164
 

47
1
U17
74HC374
 

48
1
U20
74HC74
 

49
1
U21

4017

 

50
1
U23
74HC688
 

51
1
U26
74HC00
 

52
1
U27
74HC244
 

HRPT card prototype n.1

HRPT card prototype n.2

HRPT card prototype n.3

HRPT card final PCB


 

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