HMC898LP4E
v00.0511
FILTER - TUNABLE, BAND PASS SMT
11.5 - 21.5 GHz
Typical Applications
The HMC898LP4E is ideal for:
• Test & Measurement Equipment
Features
Fast Tuning Response
Excellent Wideband Rejection
Single Chip Replacement
for Mechanically Tuned Designs
24 Lead 4x4 mm SMT Package
FILTERS - TUNABLE - SMT
• Military RADAR & EW/ECM
• SATCOM & Space
• Industrial & Medical Equipment
Functional Diagram
General Description
The HMC898LP4E is a MMIC band pass filter which
features a user selectable passband frequency. The
3 dB filter bandwidth is approximately 17%. The 20
dB filter bandwidth is approximately 35%. The center
frequency can be varied between 11.5 and 21.5
GHz by applying an analog tune voltage between 0
and 14V. This tunable filter can be used as a much
smaller alternative to physically large switched filter
banks and cavity tuned filters. The HMC898LP4E has
excellent microphonics due to the monolithic design,
and provides a dynamically adjustable solution in
advanced communications applications.
Electrical Specifications,
T
A
= +25 °C
Parameter
F
center
Tuning Range
3 dB Bandwidth
Low Side Rejection Frequency (Rejection >20 dB)
High Side Rejection Frequency (Rejection >20 dB)
Low Side Sub-Harmonic Rejection (Rejection >40 dB)
High Side Sub-Harmonic Rejection (Rejection >40 dB)
Re-entry Frequency (Rejection <30 dB)
Insertion Loss
Return Loss (2 dB Bandwidth)
Input IP3 (Pin = 0 to +15 dBm)
Input Power @ 5° Shift In Insertion Phase (Vfctl = 0V)
Input Power @ 5° Shift In Insertion Phase (Vfctl = 1V)
Frequency Control Voltage (V
fctl
)
Source/Sink Current (I
fctl
)
Residual Phase Noise
F
center
Drift Rate
Tuning Speed, Phase Settling to within 10°
[2]
[1] Optimum residual phase noise performance requires the use of a low noise driver circuit.
[2] Tuning speed includes 40 ns tuning voltage ramp from driver.
[1]
(100
Min.
11.5
Typ.
17
0.81 *F
center
1.16 *F
center
0.55 *F
center
1.27 *F
center
>40
6
9
29
9
14
Max.
21.5
Units
GHz
%
GHz
GHz
GHz
GHz
GHz
dB
dB
dBm
dBm
dBm
0
-157
- 1.9
< 200
14
±1
V
mA
dBc/Hz
MHz/°C
ns
kHz Offset)
1
For price, delivery and to place orders: Hittite Microwave Corporation, 2 Elizabeth Drive, Chelmsford, MA 01824
Phone: 978-250-3343
Fax: 978-250-3373
Order On-line at www.hittite.com
Application Support: Phone: 978-250-3343 or apps@hittite.com
HMC898LP4E
v00.0511
FILTER - TUNABLE, BAND PASS SMT
11.5 - 21.5 GHz
Broadband Insertion Loss vs. Vfctl
0
-10
INSERTION LOSS (dB)
RETURN LOSS (dB)
-20
-30
-40
-50
-60
-70
-80
-90
0
5
10
0V
3V
7V
14V
Broadband Return Loss vs. Vfctl
0
-5
-10
-15
-20
-25
-30
-35
S11_0V
S22_0V
S11_7V
S22_7V
S11_14V
S22_14V
15
20
25
30
35
40
0
5
10
FREQUENCY (GHz)
15
20
25
FREQUENCY (GHz)
30
35
40
Insertion Loss vs. Vfctl
0
-2
0V
3V
7V
14V
Return Loss vs. Vfctl
0
-5
INSERTION LOSS (dB)
-4
-6
-8
-10
-12
-14
-16
-18
8
10
12
RETURN LOSS (dB)
-10
-15
-20
-25
-30
-35
8
10
12
14
16
18
20
22
24
26
28
S11_0V
S22_0V
S11_7V
S22_7V
S11_14V
S22_14V
14
16
18
20
22
24
26
28
FREQUENCY (GHz)
FREQUENCY (GHz)
Insertion Loss vs. Temperature, Vfctl = 7V
0
-2
+25C
+85C
-40C
Return Loss vs. Temperature, Vfctl = 7V
0
-5
INSERTION LOSS (dB)
-6
-8
-10
-12
-14
-16
-18
14
15
16
17
18
19
20
21
22
RETURN LOSS (dB)
-4
-10
-15
-20
-25
-30
-35
-40
14
15
16
17
18
19
20
21
22
+25C_S11
+25C_S22
+85C_S11
+85C_S22
-40C_S11
-40C_S22
FREQUENCY (GHz)
FREQUENCY (GHz)
For price, delivery and to place orders: Hittite Microwave Corporation, 2 Elizabeth Drive, Chelmsford, MA 01824
Phone: 978-250-3343
Fax: 978-250-3373
Order On-line at www.hittite.com
Application Support: Phone: 978-250-3343 or apps@hittite.com
FILTERS - TUNABLE - SMT
2
HMC898LP4E
v00.0511
FILTER - TUNABLE, BAND PASS SMT
11.5 - 21.5 GHz
Center Frequency vs. Temperature
24
Insertion Loss vs. Temperature
0
-2
FILTERS - TUNABLE - SMT
CENTER FREQUENCY (GHz)
22
20
18
16
14
12
10
8
0
2
4
6
8
10
12
14
+25C
+85C
-40C
INSERTION LOSS (dB)
-4
-6
-8
-10
-12
-14
-16
0
2
4
6
8
10
12
14
+25C
+85C
-40C
Vfctl (Vdc)
Vfctl (Vdc)
3 dB Bandwidth vs. Temperature
20
+25C
+85C
-40C
19
Return Loss in a 2 dB Bandwidth
vs. Temperature
0
-2
+25C
+85C
-40C
RETURN LOSS (dB)
0
2
4
6
8
10
12
14
BANDWIDTH (%)
18
-4
-6
-8
-10
-12
17
16
15
14
-14
0
2
4
6
8
10
12
14
Vfctl (Vdc)
Vfctl (Vdc)
Low Side Rejection Ratio vs.
Temperature
[1]
0.9
High Side Rejection Ratio vs.
Temperature
[1]
1.25
F20dB TO Fcenter RATIO
F20dB To Fcenter RATIO
0.85
1.2
0.8
1.15
0.75
+25C
+85C
-40C
1.1
+25C
+85C
-40C
0.7
0
2
4
6
8
10
12
14
1.05
0
2
4
6
8
10
12
14
Vfctl (Vdc)
Vfctl (Vdc)
[1] Rejection ratio is defined as the ratio of the frequency at which the relative insertion loss is 20 dB to ƒcenter
3
For price, delivery and to place orders: Hittite Microwave Corporation, 2 Elizabeth Drive, Chelmsford, MA 01824
Phone: 978-250-3343
Fax: 978-250-3373
Order On-line at www.hittite.com
Application Support: Phone: 978-250-3343 or apps@hittite.com
HMC898LP4E
v00.0511
FILTER - TUNABLE, BAND PASS SMT
11.5 - 21.5 GHz
Tuning Sensitivity vs. Temperature
1600
1400
Group Delay vs. Frequency
1
0V
2V
7V
14V
SENSITIVITY (MHz/V)
GROUP DELAY (ns)
1200
1000
800
600
400
200
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
+25C
+85C
-40C
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
4
6
8
10
12
14 16 18 20 22
FREQUENCY (GHz)
24
26
28
30
Vfctl (Vdc)
Group Delay vs. Fcenter vs. Temperature
0.7
Input IP3 vs. Temperature
35
GROUP DELAY (nS)
0.6
30
INPUT IP3 (dBm)
25
0.5
20
0.4
+ 25C
+ 85C
- 40C
15
+ 25C
+ 85C
- 40C
0.3
0
2
4
6
8
10
12
14
10
1
2
3
4
5
6
7
8
9
10
11
12
13
14
Vfctl (Vdc)
Vfctl (Vdc)
Residual Phase Noise
-120
Phase Sensitivity vs. Vfctl
24
8
RESIDUAL PHASE NOISE (dBc/Hz)
APPROXIMATE Fcenter (GHz)
-130
+ 1V
+ 7V
+ 14V
22
20
18
16
14
12
10
8
0
2
4
Approximate
Fcenter
7
6
5
4
3
2
1
0
14
-140
-150
-160
Delta Phi
-170
2
10
10
3
10
4
10
5
10
6
10
7
OFFSET FREQUENCY (Hz)
6
8
10
12
Vfctl (Vdc)
For price, delivery and to place orders: Hittite Microwave Corporation, 2 Elizabeth Drive, Chelmsford, MA 01824
Phone: 978-250-3343
Fax: 978-250-3373
Order On-line at www.hittite.com
Application Support: Phone: 978-250-3343 or apps@hittite.com
FILTERS - TUNABLE - SMT
4
0.9
DELTA PHI (RAD/V)
HMC898LP4E
v00.0511
FILTER - TUNABLE, BAND PASS SMT
11.5 - 21.5 GHz
Insertion Phase vs. Input Power
0
Fcenter vs. Input Power
0
-20
-40
FILTERS - TUNABLE - SMT
-5
FREQUENCY (MHz)
PHASE (DEGREES)
-10
-15
-20
-25
-30
-35
-40
0
0V
1V
7V
10V
14V
2
4
6
8
10
12
14
16
18
20
-60
-80
-100
-120
-140
-160
-180
0
2
4
0V
1V
7V
10V
14V
6
8
10
12
14
16
18
20
INPUT POWER (dBm)
INPUT POWER (dBm)
Absolute Maximum Ratings
Frequency Control Voltage (Vfctl)
RF Power Input
Storage Temperature
ESD Sensitivity (HBM)
-0.5 to +15V
27 dBm
-65 to +150 °C
Class 1 A
Reliability Information
Junction Temperature to Maintain
1 Million Hour MTTF
Nominal Junction Temperature
(T= 85 °C and Pin = 27 dBm)
Operating Temperature
150 °C
103 °C
-40 to +85 °C
ELECTROSTATIC SENSITIVE DEVICE
OBSERVE HANDLING PRECAUTIONS
5
For price, delivery and to place orders: Hittite Microwave Corporation, 2 Elizabeth Drive, Chelmsford, MA 01824
Phone: 978-250-3343
Fax: 978-250-3373
Order On-line at www.hittite.com
Application Support: Phone: 978-250-3343 or apps@hittite.com
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