Centro Astronómico de Yebes
Observatorio Astronómico Nacional
SPAIN
First Stage Cryogenic IF
Amplifier
Leiden, 3 June 2001
Consortium Meeting
1
Centro Astronómico de Yebes
Observatorio Astronómico Nacional
SPAIN
CONTENTS
• DM Program (Yebes)
– Amplifiers
– Isolators
– Isolator-Cable-Amplifier
• QM & FM Programs (Transfer to Industry)
– First Prototype
• Qualification Program
• Summary of critical items
• Planning
Leiden, 3 June 2001
Consortium Meeting
2
Centro Astronómico de Yebes
Observatorio Astronómico Nacional
SPAIN
DM PROGRAM (Amplifiers)
• Design
–
–
–
–
–
–
–
–
–
–
InP TRW 200 devices in both stages
Substrate glued to the box using epoxy
SMA connectors with “O ribbon” connection
MDM connector for the bias circuit
Bias circuit on substrate
Gate voltage divider included in the bias circuit
ESD and EMC filtering (Pending)
Extra cavity for EMC filter
Mechanical interface with mixer sub-assembly
Mechanical interface with isolator
Leiden, 3 June 2001
Consortium Meeting
3
Centro Astronómico de Yebes
Observatorio Astronómico Nacional
SPAIN
DM PROGRAM (Amplifiers)
Leiden, 3 June 2001
Consortium Meeting
4
Centro Astronómico de Yebes
Observatorio Astronómico Nacional
SPAIN
DM PROGRAM (Amplifiers)
Y CF 600 4
Y CF 60 04
Y CF 600 5
Y CF 60 05
Y CF 600 6
Y CF 60 06
H E R S C H E L I F1 Y CF 6 D M s
Y CF 600 9
Y CF 60 09
Y CF 60 14
30
12
25
10
20
8
15
6
10
4
5
2
0
Nois e T emperatur e [K]
Gain [dB]
Y CF 601 4
0
3
4
5
6
7
8
9
f [G H z ]
Leiden, 3 June 2001
Consortium Meeting
5
Centro Astronómico de Yebes
Observatorio Astronómico Nacional
SPAIN
DM PROGRAM (Amplifiers)
S eries
N u m b er
B ia s
1
st
sta ge
2
nd
sta g e
A v era g e
G a in a n d
rip p le
A v era g e
N o ise T em p .
M in im u m
O u tp u t R ef.
G a in
S ta b ility
YCF
Vd
[V ]
Id
[m A ]
Vd
[V ]
Id
[m A ]
G av   G
[d B ]
Tn
[K ]
 o ut
[d B ]
6001
0 .8 5
3
0 .5
3
2 7 .1  1.3
3 .7
1 4 .8
1 .2  1 0
-4
6004
0 .8 5
3
0 .5
3
2 6 .9  1.1
3 .6
1 4 .4
8 .7  1 0
-5
6005
0 .8 5
3
0 .5
3
2 7 .3  1.0
3 .4
1 1 .2
8 .9  1 0
-5
6006
0 .8 5
3
0 .5
3
2 7 .1  1.0
3 .5
1 3 .9
1 .3  1 0
-4
6007
0 .8 5
3
0 .5
3
2 5 .9  1.3
4 .1
1 4 .6
1 .4  1 0
-4
6008
0 .8 5
3
0 .5
3
2 5 .5  1.1
3 .4
1 2 .0
7 .7  1 0
-5
6009
0 .8 5
3
0 .5
3
2 7 .4  1.1
3 .5
9 .7
1 .0  1 0
-4
6010
0 .8 5
3
0 .5
3
2 7 .1  1.2
3 .7
1 4 .8
8 .7  1 0
-5
6011
0 .9 0
3
0 .4 5
3
2 5 .8  1.2
4 .0
1 2 .1
1 .1  1 0
-4
6012
0 .8 5
3 .5
0 .4 5
2 .5
2 5 .5  1.3
4 .2
1 3 .8
9 .0  1 0
-5
6013
0 .8 5
3
0 .5
3
2 6 .1  1.3
3 .9
1 4 .9
9 .3  1 0
-5
6014
0 .8 5
3
0 .5
3
2 6 .0  1.3
3 .7
1 6 .7
1 .0  1 0
-4
Leiden, 3 June 2001
Consortium Meeting
[H z
G
@ 1 H z]
-1 /2
6
Centro Astronómico de Yebes
Observatorio Astronómico Nacional
SPAIN
DM PROGRAM (Isolators)
Leiden, 3 June 2001
Consortium Meeting
7
Centro Astronómico de Yebes
Observatorio Astronómico Nacional
SPAIN
DM PROGRAM (Isolators)
M E A S U R E D @ 15 K
P A M T E C H D A T A @ 77 K
S /N
S 11 (d B )<
S 12 (d B )<
S 21 (d B )>
S 22 (d B )<
S 11 (d B )<
S 12 (d B )<
S 21 (d B )>
S 22 (d B )<
101
102
SPEC.
-1 5 .0
-1 8 .0
-1 6 .5
-1 9 .0
-0 .6 3
-0 .5 0
-1 4 .0
-1 7 .7
-1 8 .5
-1 9 .1
-1 8 .2
-1 6 .5
-1 6 .3
-1 6 .0
-0 .2 8
-0 .2 8
-0 .3 0
-1 8 .8
-1 9 .1
-1 8 .2
Leiden, 3 June 2001
Consortium Meeting
8
Centro Astronómico de Yebes
Observatorio Astronómico Nacional
SPAIN
DM PROGRAM (Isolators+Cable+Amplifier)
Leiden, 3 June 2001
Consortium Meeting
9
Centro Astronómico de Yebes
Observatorio Astronómico Nacional
SPAIN
DM PROGRAM (Isolators+Cable+Amplifier)
30
30
25
25
20
20
No Isolator
With isolator SN 101
15
15
10
G(dB)
Tn (K)
YCF 6005 @ T=14 K
10
5
5
0
0
3
4
5
6
7
8
9
Freq (GHz)
Leiden, 3 June 2001
Consortium Meeting
10
Centro Astronómico de Yebes
Observatorio Astronómico Nacional
SPAIN
QM & FM PROGRAMS (First Prototype)
Leiden, 3 June 2001
Consortium Meeting
11
Centro Astronómico de Yebes
Observatorio Astronómico Nacional
SPAIN
QM & FM PROGRAMS (First Prototype)
NFM Measurements (14 K)
YCF AEO01
YCF 6006
VD1 = 0.85 v , VD2 = 0.5 v , ID = 3 mA
30
8
25
7
20
6
15
5
10
4
5
3
0
Tn (K)
Gain (dB)
YCF AEO01
YCF 6006
2
3
4
5
6
7
8
9
Freq. (GHz)
Leiden, 3 June 2001
Consortium Meeting
12
Centro Astronómico de Yebes
Observatorio Astronómico Nacional
SPAIN
QUALIFICATION PROGRAM
• Qualification Boards
• Components
• Qualification and Acceptance tests (Amplifier)
• Qualification and Acceptance tests (Isolators)
• ESD tests
• Radiation tests
• Documentation (PID)
Leiden, 3 June 2001
Consortium Meeting
13
Centro Astronómico de Yebes
Observatorio Astronómico Nacional
SPAIN
CRITICAL ITEMS
• EMC and ESD Filtering
• Isolators (Fabrication and qualification)
• Levels of qualification (Vibration)
• Financing
• Schedule
Leiden, 3 June 2001
Consortium Meeting
14
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