SURFACE MOUNTCERAMIC
ATTENUATOR, PIN DIODE MODEL PI-810
1502000 MHz
FEATURES
PCS Frequency Coverage: 150-2000 MHz
Balanced 4 Diode
Configuration Increases Attenuation and
Doubles Upper Frequency Limit
Low VSWR and Flat Attenuation Characteristics
Silicon PIN Diodes on Ceramic Offer Improved Insertion Loss
Compared to GaAs
Superior Intermodulation Distortion Characteristics
Inherently Compensates for VSWR and Temperture Variations
Rugged Alumina "Surfpac" Package Ideal for Surface Mount
Applications
Can be Optimized Over Lower Fequency Ranges by Changing
Capacitor Values
BEST CHOICE for PCS and GSM Applications
Lower Cost Alternative to PI-820 Version
ELECTRICAL SPECIFICATIONS
Frequency Range: 150 - 2000 MHz
Insertion Loss: 4.0 dB typical
Attenuation Range: 0 - 30 dB typical
VSWR: 1.5:1 maximum
DC Supply: +5V DC at 20 mA maximum
Control Voltage: 0V / 10V at 15 mA maximum
for Attenuation / Insertion Loss
1 dB Compression Point: +27 dBm
Attenuation Accuracy: +/-0.75dB to 20dB
+/-1.50dB to 30dB
Temperature: -10 to +80C. See application note
for recommended maximum reflow
soldering temperatures.
10
8
9
7
6
5
4
3
2
1
0
5 dB
10 dB
15 dB
20 dB
25 dB
30 dB
35 dB 40 dB
0 dB
5.56V
3.15V
2.13V
1.68V
1.48V 1.35V
1.28V 1.20V
Control Voltage vs. Attenuation (Above Ins. Loss)
V
o
l
t
s
45
50
40
35
30
25
10
20
30
40 50
300 MH
Z
100 MH
Z
30 MH
Z
10 MH
Z
Typical Two-Tone, 3rd Order Intermodulation Distortion
Input Intercept Point vs. Attenuation Setting
I
n
p
u
t
I
n
t
e
r
c
e
p
t
P
o
i
n
t
s
,
d
B
m
Attenuation Setting dB
R.L. I.L.
14dB
3.5dB
4.0dB
4.5dB
19dB
24dB
150 MH
Z
2000 MH
Z
INSERTION LOSS AND RETURN LOSS
(including test fixture loss)
ATTENUATION vs. FREQUENCY
5dB
10dB
15dB
20dB
25dB
150 MH
Z
2000 MH
Z
30dB
35dB
0dB
10V
5.498V
3.142V
2.271V
1.881V
1.654V
1.501V
1.351V
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.450[11,4]
SQ.
.500[12,7]
SQ.
GND
.025[0,64]
.125[3,18] TYP.
.250[6,4]
TYP
.375[9,53]
TYP.
.012[0,3] R
12 PLS
GND
.100[2,5]
.025[0,64]
GND
5V
CTRL
GND
O
U
T
PI-810
64537
G
N
D
G
N
D
OUT
IN
G
N
D
G
N
D
I
N
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Alternate "Pin-ou
See Model PI-10
in the Application
See Application Notes
11-5-02
KEY: Inches[Millimeters] .XX .03 .XXX .010 [.X 0.8 .XX 0.25]
60 South Jefferson Road, Whippany, NJ 07981
Tel: 973-887-8100 Fax: 973-884-0445
email: sales@mcekdi-integrated.com
See us on the web @ www.mcekdi-integrated.com
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