IFR COM-120B Service Manual

PARA STEP
DATA
RES
U
LT
14.
16 kHz
(11
.6 kHz)
17.
8
kHz
(t0.8
kHz)
20. 1.55 kHz
(*0.155
kHz)
23.
80
kHz (+8
kHz)
26. 16 Radians
(t1.6
Radians)
28.
B
Radians
(10.8
Radians)
30.
1.55 Radians
(10.155
Radians)
1-8-1 1
4. Top
of screen
is
-30
dBm.
8.
Note Trace
peak
level.
11. Trace
peak
level
matches reference
level
f rom
Step 8
(t2
dBm).
13. Note
Signal Level.
14. Trace
peak
level
matches reference
level
f
rom
Step
13
(t2
dBm).
500 kHz
10
kHz
1
00
kHz
10 MHz
34.
-30
to
-40
dBm,
decreases 10
dB
(r2
dB)
-40
to
-50
dBm,
decreases 10
dB
(t2
dB)
-50
to
-60
dBm, decreases 10
dB
(t2
dB)
-60
to
-70
dBm, decreases 10
dB
(12
dB)
-70
to
-80
dBm, decreases 10
dB
(t2
dB)
-80
to
-90
dBm, decreases 10
dB
(t2
dB)
52.
Peak
is
on Center
Graticule
(10.5
Major
Divisions).
68.
Peak is
on
Center Graticule
(10.5
Major Divisions).
77.
Peaks
are on Major Divisions
(t0.5
Major
Divisions).
1-8-12 4. Zero Frequency
Response is
>1.5
Major
Divisions
down f rom
top of
screen.
1-8-'13
10.
Readings
match
(11.1
kHz)
13.
Readings match (t2.6
kHz)
'l
6.
Readings
match
(15.1
kHz)
1-50
PARA
1-8-11
1-8-12
1-8-13
1-50
STEP
DATA
14. 16 kHz (±1.6 kHz)
17. 8 kHz (±0.8 kHz)
20. 1.55 kHz (±0.155 kHz)
23. 80 kHz (±8 kHz)
26. 16 Radians (±1.6 Radians)
28. 8 Radians (±0.8 Radians)
30. 1.55 Radians (±0.155 Radians)
4. Top of screen is -30 dBm.
8. Note Trace peak level.
11. Trace peak level matches reference level
from Step 8 (±2 dBm).
13. Note Signal Level.
14. Trace peak level matches reference level
from Step 13 (±2 dBm).
500 kHz
10kHz
100 kHz
10 MHz
34. -30 to -40 dBm, decreases 10 dB (±2 dB)
-40 to -50 dBm, decreases 10 dB (±2 dB)
-50 to -60 dBm, decreases 10 dB (±2 dB)
-60 to -70 dBm, decreases 10 dB (±2 dB)
-70 to -80 dBm, decreases 10 dB (±2 dB)
-80 to -90 dBm, decreases 10 dB (±2 dB)
52. Peak is on Center Graticule (±0.5 Major Divisions).
68. Peak is on Center Graticule (±0.5 Major Divisions).
77. Peaks are on Major Divisions (±0.5 Major Divisions).
4.
10.
Zero Frequency Response is 2':1.5 Major Divisions
down from top of screen.
Readi ngs match (±1. 1 kHz)
13. Readings match (±2.6 kHz)
16. Readi ngs match (±5.1 kHz)
RESULT
Scans by ArtekMedia © 2008

IFR COM-120B Specifications

General

Brand	IFR
Model	COM-120B
Category	Measuring Instruments
Language	English