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MMT20303HT1 Datasheet(PDF) 3 Page - NXP Semiconductors

Part # MMT20303HT1
Description  3-Bit Digital Step Attenuator
PDF  14 Pages
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Manufacturer  NXP [NXP Semiconductors]
Direct Link  http://www.nxp.com
Logo NXP - NXP Semiconductors

MMT20303HT1 Datasheet(HTML) 3 Page - NXP Semiconductors

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MMT20303HT1
3
RF Device Data
Freescale Semiconductor, Inc.
Table 7. Functional Pin Description
Pin Number
Pin Function
Pin Description
1, 3, 4, 5, 8,
9, 10, 12
N.C.
No Connection
2
RFin
RF Input
6, 7
ACG (1)
AC Ground
11
RFout
RF Output
13
b0
Attenuator Bit 0 (active low)
14
b1
Attenuator Bit 1 (active low)
15
b2
Attenuator Bit 2 (active low)
16
VDD
Supply Voltage
1. AC ground connection for operation below 700 MHz.
Table 8. Logic Truth Table
b2
b1
b0
State
Attenuation
(dB)
H
H
H
111
0
L
H
H
011
1
H
L
H
101
2
L
L
H
001
3
H
H
L
110
4
L
H
L
010
5
H
L
L
100
6
L
L
L
000
7
(Top View)
1
2
3
16
4
RFin
N.C.
15
b0
14
13
56
7
8
12
11
10
9 N.C.
N.C.
N.C.
N.C.
RFout
N.C.
Figure 2. Pin Connections
N.C.
VDD
Note: Exposed backside of the package is DC and
RF ground. N.C. can be connected to GND.
b1
b2
N.C. ACG1 ACG2



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