V6
MASW-001100-1190
MASW-002100-1191
MASW-003100-1192
HMIC™ Silicon PIN Diode Switches
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is considering for development. Performance is based on target specifications, simulated results,
and/or prototype measurements. Commitment to develop is not guaranteed.
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typical. Mechanical outline has been fixed. Engineering samples and/or test data may be available.
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5
Operation of the MASW Series Switches
Operation of the MASW series of PIN switches is achieved
by simultaneous application of negative DC current to the
low loss switching arm J1, J2, or J3, and positive DC
current to the remaining switching arms as shown in the
bias connection circuits. DC return is achieved via J1. The
control currents should be supplied by constant current
sources. The voltages at these points will not exceed
+
1.5 volts (1.2V typical) at currents up to +20mA. In the low
loss state, the series diode must be forward biased and the
shunt diode reverse biased. In the isolated arm, the shunt
diode is forward biased and the series diode is reverse
biased.
Driver Connections
MASW-001100-1190
MASW-002100-1191
MASW-003100-1192
Handling Considerations
Cleanliness: These chips should be handled in a clean
environment.
Electro-Static Sensitivity: The MASW series PIN switches
are ESD, Class 1A sensitive (HBM). The proper ESD
handling procedures should be used.
Control Level
(DC Current) at
Condition of
RF Output
J2 J1-J2
-20mA Low Loss
+20mA Isolation
Control Level
(DC Current) at
Condition of
RF Output
Condition of
RF Output
J2 J3 J1-J2 J1-J3
-20mA +20mA
Low Loss
Isolation
+20mA -20mA Isolation
Low Loss
Control Level
(DC Current) at
Cond. of
RF Output
Cond. of
RF Output
Cond. of RF
Output
J2 J3 J4 J1-J2 J1-J3 J1-J4
-20mA +20mA +20mA
Low Loss
Isolation Isolation
+20mA -20mA +20mA Isolation
Low Loss
Isolation
+20mA +20mA -20mA Isolation Isolation
Low Loss
MASW-001100-1190 and Bias Connections
1
20nH
20nH
20pF
20pF
20pF
20pF
100Ω
J2 BIAS
RF OUTPUT
J2
J1 RF INPUT
Switch
Chip
MASW-002100-1191 and Bias Connections
1
J1 RF INPUT
J2 BIAS
J2
RF OUTPUT
J3 BIAS
J3
RF OUTPUT
Switch
Chip
20pF
20pF
20pF
20pF
20pF
20pF
20nH
20nH
20nH
100Ω
MASW-003100-1192 and Bias Connections
1
J2 BIAS
J2
RF OUTPUT
J4
RF OUTPUT
J1 RF INPUT
J4 BIAS
J3 BIAS
J3
RF OUTPUT
20pF
20pF
20
F
20pF
20pF
20pF
20pF
20
F
20nH
20nH
20nH
20nH
100Ω
Notes:
1. RLC values are for an operation frequency of 2-18GHz and
bias current of ± 20mA per diode.