Hittite HMC261 Datasheet
MICROWAVE CORPORATION
HMC261
GaAs MMIC MEDIUM POWER DISTRIBUTED AMPLIFIER 20 - 40 GHz
FEBRUARY 2001
Features
STABLE GAIN vs. TEMPERATURE: 14dB ± 1.5 dB
1
HIGH REVERSE ISOLATION : 40 ~ 50 dB
P1dB OUTPUT POWER: +12 dBm
SMALL SIZE: 1.3mm x 1.7mm
AMPLIFIERS
DIE
V01.05.00
General Description
The HMC261 chip is a GaAs MMIC distributed
amplifier which covers the frequency range of
20 to 40 GHz. The chip can easily be integrated
into Multi-Chip Modules (MCMs) due to its small
(2.21 mm
PHEMT process, operating from a single bias
supply of + 3 to +4V with a P1dB output power
of +12 dBm. This amplifier can be used in
microwave & millimeter wave point-to-point radios, Local Multi-Point Distribution Systems
(LMDS), VSAT, and other SATCOM applications. All data is with the chip in a 50 ohm test
fixture connected via 0.025 mm (1 mil) diameter
wire bonds of minimal length 0.31 mm (<12 mils).
The HMC261 may be used to drive the LOs of
HMC mixers such as the HMC203 or HMC259.
2
) size. The chip utilizes a GaAs
Guaranteed Performance, Vdd = +4V, -55 to +85 deg C
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12 Elizabeth Drive, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373 Web Site: www.hittite.com
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MICROWAVE CORPORATION
HMC261 MEDIUM POWER DISTRIBUTED AMPLIFIER 20 - 40 GHz
HMC261
V01.05.00
Gain vs. Temperature @ Vdd = +4V
20
18
-55 C
16
14
12
10
GAIN (dB)
8
6
4
2
0
15 20 25 30 35 40
+85 C
+25 C
FREQUENCY (GHz)
Return Loss @ Vdd = +4V
0
-2
-4
-6
-8
-10
-12
-14
RETURN LOSS (dB)
-16
-18
-20
15 20 25 30 35 40
S11 (Input)
S22 (Output)
FREQUENCY (GHz)
FEBRUARY 2001
Gain vs. Temperature @ Vdd = +3V
20
18
-55 C
16
14
12
10
GAIN (dB)
8
6
4
2
0
15 20 25 30 35 40
+85 C
+25 C
FREQUENCY (GHz)
Return Loss @ Vdd = +3V
0
-2
-4
-6
-8
-10
-12
-14
RETURN LOSS (dB)
-16
-18
-20
15 20 25 30 35 40
S11 (Input)
S22 (Output)
FREQUENCY (GHz)
1
AMPLIFIERS
DIE
Reverse Isolation @Vdd = +4V
0
-10
-20
-30
-40
-50
REVERSE ISOLATION (dB)
-60
-70
15 20 25 30 35 40
FREQUENCY (GHz)
Reverse Isolation @Vdd = +3V
0
-10
-20
-30
-40
-50
REVERSE ISOLATION (dB)
-60
-70
15 20 25 30 35 40
FREQUENCY (GHz)
12 Elizabeth Drive, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373 Web Site: www.hittite.com
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