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HMC870LC5
v02.0110
MZ OPTICAL MODULATOR DRIVER, DC - 20 GHz
Typical Applications
The HMC870LC5 is ideal for: * 10 Gbps NRZ MZ & Low V Modulator Driver * 10 Gbps RZ Transmission * 40 Gbps DQPSK * Broadband Gain Block for Test & Measurement Equipment
Features
Wide Supply Range from 3.3V to 7V Adjustable Output Amplitude: 2.5 to 8Vp-p Low Additive RMS Jitter, <300fs Low DC Power Consumption 1W for Vout = 8Vp-p at Vdd = 7V Cross Point Adjustment 32 Lead 5x5mm SMT Package: 25mm2
10
MICROWAVE & OPTICAL DRIVERS - SMT
* Military & Space
Functional Diagram
General Description
The HMC870LC5 is a GaAs MMIC pHEMT Distributed Driver Amplifier packaged in a leadless 5x5 mm surface mount package which operates between DC and 20 GHz. The amplifier provides 17 dB of gain, 8Vp-p saturated output swing and features output swing cross point adjustment. Gain flatness is excellent at 0.5 dB as well as very low additive RMS jitter of 300 fs for 10 Gbps operation. HMC870LC5 provides Metro and Long Haul designers with scalable power dissipation for varying output drive requirements. (<0.4W at Vout = 3.6Vp-p and <1W at Vout = 8.5Vp-p) The HMC870LC5 has a very wide supply (Vdd) operating range from +3.3V to +7V, and the RF I/Os are internally matched to 50 Ohms.
Electrical Specifi cations, TA = +25 C, Vdd = 7V, Vctl = 1V, Idd = 165mA*
Parameter Gain Small Signal Bandwidth Input Return Loss Output Return Loss Gain Variation over Temperature Group Delay Variation Saturated Output Power (Psat) Conditions Frequency = 1 - 8 GHz Frequency = 8 - 16 GHz Frequency = 16 - 20 GHz 3-dB cutoff Frequency = 1 - 10 GHz Frequency = 10 - 20 GHz Frequency = 1 - 10 GHz Frequency = 10 - 20 GHz Frequency = 1 - 10 GHz Frequency = 10 - 20 GHz Frequency = 1 - 12 GHz Frequency = 1 - 12 GHz Frequency = 12 - 20 GHz Min. 14 13 12 Typ. 17.5 16.5 16 20 20 15 20 15 0.015 0.032 15 24 23 0.02 0.045 Max. Units dB dB dB GHz dB dB dB dB dB/C dB/C ps dBm dBm
* Adjust Vgg between -2V to 0V to achieve Idd= 165 mA typical.
10 - 2
For price, delivery, and to place orders, please contact Hittite Microwave Corporation: 20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373 Order On-line at www.hittite.com
HMC870LC5
v02.0110
MZ OPTICAL MODULATOR DRIVER, DC - 20 GHz
Electrical Specifi cations, TA = +25 C, Vdd = 7V, Vctl = 1V, Idd = 165mA* Continued
Parameter Output Power for 1 dB Compression (P1dB) Rise Time [1] Fall Time [1] Additive RMS Jitter [2] Supply Current (Idd) (Vgg = -0.6V Typ.) Bias Current Adjust (Vgg) Output Voltage Adjust (Vctl) [1] Data input = 22.5 Gbps NRZ PRBS 223-1 pattern, 1.2 Vp-p. [2] RMS jitter is calculated with 22.5 Gbps 10101... pattern. * Adjust Vgg between -2V to 0V to achieve Idd = 165 mA typical. -2 0 165 0 2 Conditions Frequency = 1 - 12 GHz Frequency = 12 - 20 GHz 20% - 80% 20% - 80% Min. 19 18 Typ. 22 21 20 20 300 Max. Units dBm dBm ps ps fs mA V V
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MICROWAVE & OPTICAL DRIVERS - SMT
10 - 3
Electrical Specifi cations, TA = +25 C, Vdd = 5V, Vctl = 1V, Idd = 140mA*
Parameter Gain Small Signal Bandwidth Input Return Loss Output Return Loss Gain Variation over Temperature Group Delay Variation Saturated Output Power (Psat) Output Power for 1 dB Compression (P1dB) Rise Time [1] Fall Time [1] Additive RMS Jitter
[2]
Conditions Frequency = 1 - 8 GHz Frequency = 8 - 16 GHz Frequency = 16 - 20 GHz 3-dB cutoff Frequency = 1 - 10 GHz Frequency = 10 - 20 GHz Frequency = 1 - 10 GHz Frequency = 10 - 20 GHz Frequency = 1 - 10 GHz Frequency = 10 - 20 GHz Frequency = 1 - 12 GHz Frequency = 1 - 12 GHz Frequency = 12 - 20 GHz Frequency = 1 - 12 GHz Frequency = 12 - 20 GHz 20% - 80% 20% - 80%
Min. 14 13.5 12
Typ. 17.5 17.0 16.5 20 20 15 15 10 0.016 0.029 15 22.5 22
Max.
Units dB dB dB GHz dB dB dB dB
0.02 0.045
dB/C dB/C deg dBm dBm dBm dBm ps ps
18 17
20.5 20 20 20 300 140
fs mA
Supply Current (Idd) (Vgg = -0.6V Typ.) Bias Current Adjust (Vgg) Output Voltage Adjust (Vctl) [1] Data input = 22.5 Gbps NRZ PRBS 223-1 pattern, 1.2 Vp-p. [2] RMS jitter is calculated with 22.5 Gbps 10101... pattern. * Adjust Vgg between -2V to 0V to achieve Idd = 140 mA typical. -2 0
0 2
V V
For price, delivery, and to place orders, please contact Hittite Microwave Corporation: 20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373 Order On-line at www.hittite.com
HMC870LC5
v02.0110
MZ OPTICAL MODULATOR DRIVER, DC - 20 GHz
Gain & Return Loss @ Vdd = 7V
25 15
Gain & Return Loss @ Vdd = 5V
25 15
RESPONSE (dB)
5 S21 S11 S22
RESPONSE (dB)
5 S21 S11 S22
-5
-5
-15
-15
-25
-25
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MICROWAVE & OPTICAL DRIVERS - SMT
-35 0 4 8 12 16 20
-35
0
4
8
12
16
20
FREQUENCY (GHz)
FREQUENCY (GHz)
Gain & Return Loss @ Vdd = 3.3V
25 15
Gain vs. Temperature @ Vdd = 7V
25
20
RESPONSE (dB)
5 S21 S11 S22
GAIN (dB)
15
-5
10
-15 5
+25C +85C -40C
-25
-35
0
4
8
12
16
20
0 0 4 8 12 16 20
FREQUENCY (GHz)
FREQUENCY (GHz)
Gain vs. Temperature @ Vdd = 5V
25
Gain vs. Temperature @ Vdd = 3.3V
25
20
20
GAIN (dB)
15
GAIN (dB)
15
10
+25C +85C -40C
10
+25C +85C -40C
5
5
0
0
4
8
12
16
20
0
0
4
8
12
16
20
FREQUENCY (GHz)
FREQUENCY (GHz)
10 - 4
For price, delivery, and to place orders, please contact Hittite Microwave Corporation: 20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373 Order On-line at www.hittite.com
HMC870LC5
v02.0110
MZ OPTICAL MODULATOR DRIVER, DC - 20 GHz
P1dB vs. Temperature @ Vdd = 7V
30 +25C +85C -40C
Psat vs. Temperature @ Vdd = 7V
30
27
27
24
PSAT (dBm)
P1dB (dBm)
24
21
21
18
18
+25C +85C -40C
15 0 4 8 12 16 20
15 0 4 8 12 16 20
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MICROWAVE & OPTICAL DRIVERS - SMT
10 - 5
FREQUENCY (GHz)
FREQUENCY (GHz)
Output Power vs. Input Power @ 10 GHz, Vdd = 7V
28
Output Power vs. Input Power @ 10 GHz, Vdd = 5V
28
OUTPUT POWER (dBm)
20
OUTPUT POWER (dBm)
24
24
20
16
+25C +85C -40C
16
12
12
+25C +85C -40C
8 -6 -4 -2 0 2 4 6 8 10 12 14
8
-6
-4
-2
0
2
4
6
8
10
12
14
INPUT POWER (dBm)
INPUT POWER (dBm)
Output Power vs. Input Power @ 10 GHz, Vdd = 3.3V
28
Peak-to-Peak Output Voltage vs. Vdd @ 11.25 Gbps [1]
10
OUTPUT POWER (dBm)
24
P-P OUTPUT VOLTAGE (Vp-p)
8
20
6
16
+25C +85C -40C
4 Vdd = 3.3V Vdd = 5V Vdd = 6V Vdd = 7V
12
2
8 -6 -4 -2 0 2 4 6 8 10 12 14
0 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1
INPUT POWER (dBm)
Vctl (V)
[1] Data input = 11.25 Gbps NRZ PRBS 223-1 pattern, 1.2 Vp-p.
For price, delivery, and to place orders, please contact Hittite Microwave Corporation: 20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373 Order On-line at www.hittite.com
HMC870LC5
v02.0110
MZ OPTICAL MODULATOR DRIVER, DC - 20 GHz
Peak-to-Peak Output Voltage vs. Vdd @ 22.5 Gbps [1]
10
Rise Time vs. Vdd @ 22.5 Gbps [1]
25
P-P OUTPUT VOLTAGE (Vp-p)
8
20
6
RISE TIME (ps)
15
4 Vdd = 3.3V Vdd = 5V Vdd = 6V Vdd = 7V
10
2
Vdd = 3.3V Vdd = 5V Vdd = 6V Vdd = 7V
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MICROWAVE & OPTICAL DRIVERS - SMT
0 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1
5 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1
Vctl (V)
Vctl (V)
Fall Time vs. Vdd@ 22.5 Gbps [1]
25
RMS Jitter vs. Vdd @ 22.5 Gbps [2]
300
20
250
15
RMS JITTER (fs)
FALLTIME (ps)
Vdd = 3.3V Vdd = 5V Vdd = 6V Vdd = 7V
200
10
Vdd = 3.3V Vdd = 5V Vdd = 6V Vdd = 7V
150
5 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1
100 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1
Vctl (V)
Vctl (V)
Peak-to-Peak Jitter vs. Vdd @ 11.25 Gbps [3][4]
20
Peak-to-Peak Jitter vs. Vdd @ 22.5 Gbps [1][4]
20
15
15
P-P JITTER (ps)
10
P-P JITTER (ps)
Vdd = 3.3V Vdd = 5V Vdd = 6V Vdd = 7V
10
5
5
Vdd=3.3V Vdd=5V Vdd=6V Vdd=7V
0 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1
0
0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1
Vctl (V)
Vctl (V)
[1] Data input = 22.5 Gbps NRZ PRBS 223-1 pattern, 1.2 Vp-p. [2] RMS jitter is measured with 22.5 Gbps 10101... pattern.
[3] Data input = 11.25 Gbps NRZ PRBS 223-1 pattern, 1.2 Vp-p. [4] Source jitter was not de-embedded.
10 - 6
For price, delivery, and to place orders, please contact Hittite Microwave Corporation: 20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373 Order On-line at www.hittite.com
HMC870LC5
v02.0110
MZ OPTICAL MODULATOR DRIVER, DC - 20 GHz
Supply Current vs. Vdd @ 22.5 Gbps [1]
200
SUPPLY CURRENT (mA)
160
120
80
Vdd = 3.3V Vdd = 5V Vdd = 6V Vdd = 7V 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1
40
10
Measurements Current Eye Amplitude Rise Time Fall Time Jitter RMS 3.6 20 21.33 1.893 Min 3.6 20 20.67 1.87 Max 3.6 20 22 2.072 Units V ps ps ps
Vctl (V)
11.25 Gbps NRZ Output Eye Diagram
Time scale: 30.0 ps/div Amplitude scale: 762 mV/div Vdd = 3.3V, Vin: 11.25 Gbps NRZ PRBS 231-1, 0.5 Vp-p Vout: 3.6Vp-p Vctl = 1V
11.25 Gbps NRZ Output Eye Diagram
Measurements Current Eye Amplitude SNR 7.47 17.97 Min 7.47 17.88 Max 7.47 18.12 Units V V/V
Time scale: 30.0 ps/div Amplitude scale: 1.17 V/div Vdd = 5V, Vin: 11.25Gbps NRZ PRBS 231-1, 1.2V p-p, Vout: 7.5Vp-p Vctl = 1V
For price, delivery, and to place orders, please contact Hittite Microwave Corporation: 20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373 Order On-line at www.hittite.com
10 - 7
MICROWAVE & OPTICAL DRIVERS - SMT
[1] Data Input = 22.5 Gbps NRZ PRBS 223-1 pattern, 1.2 Vp-p
HMC870LC5
v02.0110
MZ OPTICAL MODULATOR DRIVER, DC - 20 GHz
11.25 Gbps NRZ Output Eye Diagram (Continued)
Measurements Current Eye Amplitude SNR 8.26 22.35 Min 8.26 22.26 Max 8.27 22.51 Units V V/V
Time scale: 30.0 ps/div Amplitude scale: 1.17 V/div Vdd = 7V, Vin: 11.25Gbps NRZ PRBS 231-1, 1.2V p-p, Vout: 8.3Vp-p Vctl = 1V
10
MICROWAVE & OPTICAL DRIVERS - SMT
22.5 Gbps NRZ Output Eye Diagram
Measurements Current Eye Amplitude Rise Time Fall Time Jitter RMS 3.53 18.22 20.44 2.417 Min 3.53 17.33 19.56 2.187 Max 3.54 18.22 20.89 2.422 Units V ps ps ps
Time scale: 20.0 ps/div Amplitude scale: 762 mV/div Vdd = 3.3V, Vin: 22.5Gbps NRZ PRBS 231-1, 0.5V p-p, Vout: 3.5Vp-p Vctl = 1V
22.5 Gbps NRZ Output Eye Diagram
Measurements Current Eye Amplitude SNR 7.85 13.74 Min 7.84 13.69 Max 7.85 14.07 Units V V/V
Time scale: 20.0 ps/div Amplitude scale: 1.17 V/div Vdd = 7V, Vin: 22.5Gbps NRZ PRBS 231-1, 1.2 V p-p, Vout: 7.9Vp-p Vctl = 1V
10 - 8
For price, delivery, and to place orders, please contact Hittite Microwave Corporation: 20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373 Order On-line at www.hittite.com
HMC870LC5
v02.0110
MZ OPTICAL MODULATOR DRIVER, DC - 20 GHz
11.25 Gbps RZ Output Eye Diagram
Measurements Current Jitter RMS Bit Rate 1.93 11.2 Units ps Gb/s
Time scale: 40.0 ps/div Amplitude scale: 1.22 V/div Vdd = 3.3V, Vin: 11.25Gbps RZ PRBS 231-1, 0.3V p-p, Vout: 2.9Vp-p Vctl = 1V
10
MICROWAVE & OPTICAL DRIVERS - SMT
10 - 9
11.25 Gbps RZ Output Eye Diagram
Measurements Current Duty Cycle SNR Jitter RMS Eye Amplitude 51.5 20.85 1.753 2.85 Min 50.4 13.35 1.689 2.37 Max 57.1 20.96 1.795 2.86 Units % V/V ps V
Time scale: 30.0 ps/div Amplitude scale: 647 mV/div Vdd = 5V, Vin: 11.25Gbps RZ PRBS 231-1, 1.2V p-p, Vout: 6Vp-p Vctl = 1V
Absolute Maximum Ratings
Drain Bias Voltage (Vdd) Gate Bias Voltage (Vgg) Control Bias Voltage (Vctl) RF Input Power (RFIN)(Vdd = +7 Vdc) Channel Temperature Continuous Pdiss (T = 85 C) (derate 24 mW/C above 85 C) Thermal Resistance (channel to ground paddle) Storage Temperature Operating Temperature ESD Sensitivity (HBM) +9V -2V to 0V (Vdd -7) to Vdd (V) +23 dBm 175 C 1.5 W 59.4 C/W -65 to +150 C -40 to +85 C Class 1A
Typical Supply Current vs. Vdd*
Vdd (V) +3.3 +5.0 +6.0 +7.0 Idd (mA)* 100 140 160 165 Power Dissipation (W) 0.33 0.70 0.96 1.115
* Adjust Vgg between -2V to 0V to achieve Idd shown.
ELECTROSTATIC SENSITIVE DEVICE OBSERVE HANDLING PRECAUTIONS
For price, delivery, and to place orders, please contact Hittite Microwave Corporation: 20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373 Order On-line at www.hittite.com
HMC870LC5
v02.0110
MZ OPTICAL MODULATOR DRIVER, DC - 20 GHz
Outline Drawing
10
MICROWAVE & OPTICAL DRIVERS - SMT
NOTES: 1. PACKAGE BODY MATERIAL: ALUMINA 2. LEAD AND GROUND PADDLE PLATING: 30-80 MICROINCHES GOLD OVER 50 MICROINCHES MINIMUM NICKEL. 3. DIMENSIONS ARE IN INCHES [MILLIMETERS]. 4. LEAD SPACING TOLERANCE IS NON-CUMULATIVE. 5. PACKAGE WARP SHALL NOT EXCEED 0.05mm DATUM -C6. ALL GROUND LEADS AND GROUND PADDLE MUST BE SOLDERED TO PCB RF GROUND.
Pin Descriptions
Pin Number 1, 3, 4, 7 - 12, 14, 17 - 19, 22 - 28, 31, 32 Function N/C Description The pins are not connected internally; however, all data shown herein was measured with these pins connected to RF/DC ground externally. Output voltage swing adjustment. +1V should be applied to Vctl for nominal operation. Interface Schematic
2
Vctl
5
RFIN
This pin is DC coupled and matched to 50 Ohms.
6, 20
GND
RF/DC Ground. These pins and the package base must be connected to RF/DC ground.
10 - 10
For price, delivery, and to place orders, please contact Hittite Microwave Corporation: 20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373 Order On-line at www.hittite.com
HMC870LC5
v02.0110
MZ OPTICAL MODULATOR DRIVER, DC - 20 GHz
Pin Descriptions (Continued)
Pin Number Function Description Interface Schematic
13
Vgg
Gate Control for amplifier.
15
ACG4 Low frequency termination. Attach bypass capacitor per application circuit herein.
16
ACG3
10
MICROWAVE & OPTICAL DRIVERS - SMT
10 - 11
21
RFOUT & Vdd ACG2 ACG1
RF output for amplifier. Connect the DC bias (Vdd) network to provide drain current (Idd). See application circuit herein. Low frequency termination. Attach bypass capacitor per application circuit herein.
29 30
Application Circuit
NOTE 1: Drain Bias (Vdd) must be applied through a broadband bias tee or external bias network.
For price, delivery, and to place orders, please contact Hittite Microwave Corporation: 20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373 Order On-line at www.hittite.com
HMC870LC5
v02.0110
MZ OPTICAL MODULATOR DRIVER, DC - 20 GHz
Evaluation PCB
10
MICROWAVE & OPTICAL DRIVERS - SMT
List of Materials for Evaluation PCB 108347 [1]
Item J1 - J2 J3 - J4 C1, C2 C3 - C6 C7 - C9 U1 PCB [2] Description PCB Mount SMA Connector 2mm Molex Header 100 pF Capacitor, 0402 Pkg. 1000 pF Capacitor, 0603 Pkg. 4.7 F Capacitor, Tantalum HMC870LC5, Modulator Driver 109765 Evaluation PCB
[1] Reference this number when ordering complete evaluation PCB [2] Circuit Board Material: Arlon 25FR or Rogers 4350
The circuit board used in the application should use RF circuit design techniques. Signal lines should have 50 Ohm impedance while the package ground leads and package bottom should be connected directly to the ground plane similar to that shown. A sufficient number of via holes should be used to connect the top and bottom ground planes. The evaluation board should be mounted to an appropriate heat sink. The evaluation circuit board shown is available from Hittite upon request.
10 - 12
For price, delivery, and to place orders, please contact Hittite Microwave Corporation: 20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373 Order On-line at www.hittite.com
HMC870LC5
v02.0110
MZ OPTICAL MODULATOR DRIVER, DC - 20 GHz
Device Operation
These devices are susceptible to damage from Electrostatic Discharge. Proper precautions should be observed during handling, assembly and test. The input to this device should be AC-coupled. To provide the typical 8Vp-p output voltage swing, a 1.2Vp-p AC-coupled input voltage swing is required.
Device Power Up Instructions
1. Ground the device 2. Set Vgg to -2V (no drain current) 3. Set Vctl to +1V (no drain current) 4. Set Vdd to +5V (no drain current) 5. Adjust Vgg for Idd = 140mA * Vgg may be varied between -1V and 0V to provide the desired eye crossing point percentage (i.e. 50% crosspoint) and a limited cross point control capability. * Vdd may be increased to +7V if required to achieve greater output voltage swing. * Vctl may be adjusted between +2V and +0V to vary the output voltage swing.
10
MICROWAVE & OPTICAL DRIVERS - SMT
10 - 13
Device Power Down Instructions
1. Reverse the sequence identified above in steps 1 through 4.
For price, delivery, and to place orders, please contact Hittite Microwave Corporation: 20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373 Order On-line at www.hittite.com

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