Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
74 words
A low-noise amplifier comprising: an amplification stage for amplifying a signal applied to an input of the
amplifier; and an input matching network coupled between the input of the amplifier
and an input of the amplification stage, the input matching network using a set of
elements to provide a match in a first frequency band, and at least a subset of the set of
elements to provide a match in a second frequency band.
Claim 2
Dependent Claim
29 words
An amplifier as claimed in claim 1 wherein the first frequency band is
centered at about 900 MHz, and the second frequency band is centered at about 1.8
GHz.
Claim 3
Dependent Claim
27 words
An amplifier as claimed in claim 1 further providing a gain of at least
about 15 dB in each of the first and the second frequency bands.
Claim 4
Dependent Claim
28 words
An amplifier as claimed in claim 1 further providing a noise figure of
about 2 dB or less in each of the first and the second frequency bands.
Claim 5
Dependent Claim
65 words
An amplifier as claimed in claim 1 wherein the input matching
network includes a first capacitor and a second capacitor connected in series between
the amplifier input and the amplification stage input, a first inductor connected from a
point between the first and second capacitors to ground potential, and a second inductor
connected from the amplification stage input to a voltage supply of the amplifier.
Claim 6
Dependent Claim
66 words
An amplifier as claimed in claim 1 further including an output
matching network coupled between an output of the amplification stage and an output of
the amplifier, the output matching network using a second set of elements to provide a
match in the first frequency band, and at least a subset of the second set of elements to
provide a match in the second frequency band.
Claim 7
Dependent Claim
65 words
An amplifier as claimed in claim 6 wherein the output matching
network includes a first capacitor and a second capacitor connected in series between
the amplifier output and the amplification stage output, a first inductor connected from a
point between the first and second capacitors to ground potential, and a second inductor
connected from the amplification stage output to a voltage supply of the amplifier.
Claim 8
Independent Claim
79 words
A method of operating a low-noise amplifier in multiple frequency
bands, the method comprising the steps of: amplifying a signal applied to an input of the amplifier in an
amplification stage; and utilizing a set of elements of an input matching network to provide an
input match for the amplifier in a first frequency band; and utilizing at least a subset of the set of elements to provide an input match
for the amplifier in a second frequency band.
Claim 9
Dependent Claim
29 words
A method as claimed in claim 8 wherein the first frequency band is
centered at about 900 MHz, and the second frequency band is centered at about 1.8
GHz.
Claim 10
Dependent Claim
61 words
A method as claimed in claim 8 further including the steps of: utilizing a second set of elements of an output matching network to
provide an output match for the amplifier in the first frequency band; and utilizing at least a subset of the second set of elements to provide an
output match for the amplifier in the second frequency band.
Claim 11
Dependent Claim
93 words
A low-noise amplifier comprising: an amplification stage for amplifying a signal applied to an input of the
amplifier; an input matching network coupled between the input of the amplifier
and an input of the amplification stage; and an output matching network coupled between an output of the
amplification stage and an output of the amplifier, wherein at least one of the input
matching network and the output matching network utilizes common elements of a
single set of elements to provide narrowband matches in both a first frequency band and
a second frequency band.