Page
4
of
10
INSTRUCTION
MANUAL
Preamplifier
Model
PAM
‐
840A
19121
El
Toro
Rd
●
Silverado,
CA
92676
●
(949)
459
‐
9600
●
fax
(949)
635
‐
0329
●
com
‐
power.com
REV21113
2.
0
Product
Specifications
Model:
PAM
‐
840A
Electrical
Frequency
Range:
18
to
40
GHz
Typical
Gain:
42
dB
Flatness:
+
2
dB
Max
DC
input:
0
Vdc
Max
RF
Input:
0
dBm
P
out
at
1
dB
compression
point:
+10
dBm
Noise
Figure:
<
5
dB
Typical
Reverse
Isolation:
40
dB
I/O
connections:
50
Ω
,
2.9
mm
(K
type)
female
Operating
Power:
15
VDC,
500
mA
Battery
Type:
Rechargeable
6
V,
2
Ah,
NimH
Charging
adapter
(Output)
15
VDC,
500
mA
Charging
time:
8
to
10
hours
Operating
time
with
battery
power
:
10
Hours
approximately
Reference
Temperature:
25°
C
/
77°
F
Mechanical
Dimensions
L
x
W
x
H:
7.6
x
5.95
x
2.17
inches
/
19.2
x
15.1
x
5.5
cm
Weight:
2.5
lbs
/
1.13
kg
This
equipment
is
designed
for
indoor
use
only.
2.1
Other
related
equipment
available
from
Com
‐
Power.
•
CGO
‐
51000,
40
GHz
Comb
Generator
•
AH
‐
840
Horn
antenna
‐
18
to
40
GHz
•
AH
‐
640
Horn
antenna
‐
26.5
to
40
GHz
•
AH
‐
826
Horn
antenna
‐
18
to
26.5
GHz
•
Microwave
cables
and
connectors
2.2
Other
preamplifier
models
available
from
Com
‐
Power
Model
Specifications
PAL
‐
010
100
Hz
to
30
MHz,
28
dB
PAM
‐
103A
1
MHz
to
1
GHz,
32
dB
PAM
‐
6000
1
to
6
GHz,
30
dB
PAM
‐
118A
1
to
18
GHz,
40
dB
