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Product Description
The Sirenza Microdevices' STQ-2016 is a direct quadrature modulator targeted for use in a wide range of communications systems, including cellular/PCS, CDMA2000, UMTS, and ISM datacom. This device features a wide 700-2500 MHz operating frequency band, excellent carrier and sideband suppression, and a low broadband noise floor. The STQ-2016 uses silicon germanium (SiGe) device technology and delivers a typical output power of -11dBm with greater than 60dB IM3 suppression. A digital input shut-down feature is included that, when enabled, attenuates the output by 60dB. The device is packaged in an industry standard 16 pin TSSOP with exposed paddle for superb RF and thermal ground. The STQ-2016Z is packaged in a RoHs compliant and Green 16-pin TSSOP with matte tin finish.
STQ-2016 STQ-2016Z
Pb
RoHS Compliant & Green Package
700-2500 MHz Direct Quadrature Modulator
16 pin TSSOP with Exposed Ground Pad
Package Footprint: 0.197 x 0.252 inches, (5.0 x 6.4 mm) Package Height: 0.039 inches (1.0 mm)
Product Features
Functional Block Diagram
BBQP VCC VEE LOP LON VEE SD BBIP 1 2 3 4 5 6 7 8 16 15 14 13 12 11 10 9 BBQN VCC VEE RFP RFN VEE VCC BBIN
* * * * * *
Excellent carrier feedthrough, -40 dBm constant with output power Output P1dB +3dBm Wide baseband input, DC - 500 MHz Superb phase accuracy and amplitude balance, 0.5 deg./0.2 dB Very low noise floor, -155 dBm/Hz Low LO drive requirement, -5 dBm Cellular/PCS/CDMA2000/UMTS transceivers ISM band transceivers, 900 & 2400 MHz GMSK, QPSK, QAM, SSB modulators
Units MHz Min. 700 -13.0 -10.5 20 +3 +4 -40 34 58 40 62 -154 -2 -0.2 +4.75 0.5 0.05 +5 73 25 -152 +2 +0.2 +5.25 86 -2 -0.2 +4.75 -34 34 58 0 Typ. Max. 1000 -9.0 Min. 1700 -15.0 -11.5 16 +3 -40 40 65 -155 0.5 0.05 +5 73 25 -153 +2 +0.2 +5.25 86 -32 Typ. Max. 2500 -9.0
LO QUADRATURE GENERATOR
Applications
Product Specifications - RF Output: TA = 25C
Parameters RF Frequency Range Output Power RF Port Return Loss Output P1dB Carrier Feedthrough Sideband Suppression IM3 Suppression Broadband Noise Floor Quadrature Phase Error I/Q Amplitude Balance Supply Voltage (Vcc) Supply Current Device Thermal Resistance junction-case baseband 200kHz @ 600mVp-p differential matched to 50 (refer to schematics on pages 6 & 7) (I/Q inputs = 3.74 Vp-p differential typical) Test Conditions (see page 2)
* * *
dBm dB dBm dBm dB
two-tone baseband input @ 600mVp-p differential per tone baseband inputs tied to 1.9VDC, -20MHz offset from carrier
dB dBm/Hz deg dB V mA C/W
The information provided herein is believed to be reliable at press time. Sirenza Microdevices assumes no responsibility for inaccuracies or ommisions. Sirenza Microdevices assumes no responsibility for the use of this information, and all such information shall be entirely at the user's own risk. Prices and specifications are subject to change without notice. No patent rights or licenses to any of the circuits described herein are implied or granted to any third party. Sirenza Microdevices does not authorize or warrant any Sirenza Microdevices product for use in life-support devices and/or systems. Copyright 2001 Sirenza Microdevices, Inc. All worldwide rights reserved.
303 South Technology Court Broomfield, CO 80021
Phone: (800) SMI-MMIC 1
http://www.sirenza.com EDS-102083 Rev F
STQ-2016 Direct Quadrature Modulator
Test Conditions
(for all product specification tables unless otherwise noted) VCC (pins 2,10,15) TA Baseband Input (Pins 1, 8, 9, 16) LO Input (Pins 4, 5) +5V +25C 1.9V DC bias, 200kHz frequency, 300mVp-p per pin = 600mVp-p differential drive, I and Q signals in quadrature -5dBm @ 1960 MHz
Product Specifications - Baseband Modulation Input: TA = 25C
Parameters Baseband Frequency Input Baseband Input Resistance Baseband Input Capacitance Additional Test Conditions -3dB bandwidth, baseband inputs terminated in 50 ohms per pin per pin Unit MHz kohms pF Min. DC 4.4 0.5 Typ. Max. 500
Product Specifications - LO Input: TA = 25C
Parameters LO Frequency LO Drive Level LO Port Return Loss matched to 50 (refer to schematics on pages 6 & 7) Additional Test Conditions Unit MHz dBm dB Min. 700 -8 -5 16 Typ. Max. 2500 -2
Product Specifications - Miscellaneous: TA = 25C
Parameters Shut-Down Attenuation Shut-Down Pin Resistance Shut-Down Pin Capacitance Shut-down Control Voltage Thresholds Shut-Down Settling Time @ 1MHz @ 1MHz Shut-down disabled (normal operation) Shut-down enabled Additional Test Conditions Unit dB kohm pF V V ns 3.75 0.0 <450 Min. Typ. 60 11.9 5.2 Vcc 1.5 Max.
C a r r ie r S u p p r e s s io n v s . O u t p u t P o w e r
40 35 Carrier Suppression [dB] 30 25 20 15 S S B P ou t = -12 .5 dB m 10 5 0 1 40 0 S S B P ou t = 0 dB m
1 50 0
1 60 0
1 70 0
18 0 0
19 0 0
2000
C a rri e r F re q u e n c y [M H z ]
303 South Technology Court Broomfield, CO 80021
Phone: (800) SMI-MMIC 2
http://www.sirenza.com EDS-102083 Rev F
STQ-2016 Direct Quadrature Modulator 700 - 1000 MHz Typical Device Performance
SSB Power vs. LO Frequency
-5
Output P1dB vs. LO Frequency
10 8 6 4 2 0 700
-9 -11 -13 -15 700
750
800
850
900
950
1000
Output P1dB (dBm)
-7 SSB Power (dBm)
750
800
850
900
950
1000
LO Frequency (MHz)
LO Frequency (MHz)
Carrier Feedthrough vs. LO Frequency
-30
Sideband Suppression vs. LO Frequency
50 Sideband Suppression (dBm) 46 42 38 34 30 700
Carrier Feedthrough (dBm)
-34 -38 -42 -46 -50 700
750
800 850 900 LO Frequency (MHz)
950
1000
750
800
850
900
950
1000
LO Frequency (MHz)
Intermodulation Distortion vs. SSB Output Power @880 MHz
0 Output Power (dBm)
Return Loss (dB) 0
RF & LO Port Return Losses
RFPort LO Port 10
-20 -40 -60 -80 -100 -12 -10 -8 -6 -4 -2 0 2 4 6 BB Input Level (dBVp-p diff.) fundamental (each tone) 3rd intermod. (each tone)
20
30
40 700
750
800
850
900
950
1000
Frequency (MHz)
303 South Technology Court Broomfield, CO 80021
Phone: (800) SMI-MMIC 3
http://www.sirenza.com EDS-102083 Rev F
STQ-2016 Direct Quadrature Modulator 1500 - 2500 MHz Typical Device Performance
SSB Power vs. LO Frequency
-5 -7 SSB Power (dBm) -9 -11 -13 -15 1500 1600 1700 1800 1900 2000 2100 2200 2300 2400 2500 LO Frequency -40C +25C +85C
10 8 6 4 2 0 1500
Output P1dB vs. LO Frequency
Output P1dB (dBm)
1700
1900
2100
2300
2500
LO Frequency (MHz)
Carrier Feedthrough vs. LO Frequency
-30 -34 -38 -42 -46 -50 1500 -40C +25C +85C 1700 1900 2100 2300 2500
Sideband Suppression (dBm) 50 46 42 38 34 30 1500
Sideband Suppression vs. LO Frequency
Carrier Feedthrough (dBm)
-40C +25C +85C 1700 1900 2100 2300 2500
LO Frequency (MHz)
LO Frequency (MHz)
Intermodulation Distortion vs. SSB Output Power @1960 MHz
0 BB Input Level (dBVp-p diff.) -20 -40 -60 -80 -100 -12 -10 -8 -6 -4 -2 0 2 4 6 Output Power (dBm) 3rd Intermod. (each tone) Fundamental (each tone) -40C +27C +85C
0 5 Return Loss (dB) 10 15 20 25 30 1500
RF & LO Port Return Losses
RFPort LO Port
1700
1900
2100
2300
2500
Frequency (MHz)
303 South Technology Court Broomfield, CO 80021
Phone: (800) SMI-MMIC 4
http://www.sirenza.com EDS-102083 Rev F
Package Dimensions ("16" Package)
D ensions in inches (m ) im m
0.193 (4.9) 0.207 (5.25)
STQ-2016 Direct Quadrature Modulator
0.004 (0.1) 0.008 (0.2) 0.018 (0.45) 0.030 (0.75)
STQ 2016(Z) LO ID T
EXPO SED THERM AL PAD ZO NE 0.118 (3.0) SQ . 0.252 (6.4) 0.169 (4.3) 0.177 (4.5)
Suggested PCB Pad Layout
0.049 (1.25) 0.012 (0.30) 0.118 (3.0) 0.024 (0.63)
Part #
0.014 (0.35)
0.118 (3.0) 0.010 (0.25) via 0.028 (0.7)
N TES: O 1. PAC KAG BO Y SIZES EXC E D LUD M LD EO FLASH PR TRU O SIO S O G N R ATE BU S. RR 2. TO LER ANC 0.1M UN E M LESS O ERW TH ISE SPEC IFIED . 3. C PLANAR O ITY: 0.1M M 4. C N O O TR LLING D EN IM SIO IS M N ILLIM ETER , CO NVER TED INC D ENSIO S AR N T H IM N EO N ESSAR EC ILY EXAC T. 5. FO LLO ED FR M JED M -153. W O EC O
0 8 0.031 (0.8) 0.041 (1.05)
0.0 0.006 (0.15)
0.026 (.65)
0.007 (0.19) 0.012 (0.30)
0.035 (0.9) 0.272 (6.9) all units are in inches (mm) - Indicates metalization - vias connect pad to underlying ground plane
Pin Out Description
Pin # 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 Function BBQP VCC VEE LOP LON VEE SD BBIP BBIN VCC VEE RFN RFP VEE VCC BBQN Parameters Supply Voltage (VCC) LO, RF Input (LOP, LON, RFP, RFN) Baseband Min Input Voltage (BBIP, BBIN, BBQP, BBQN) Baseband Max Input Voltage (BBIP, BBIN, BBQP, BBQN) Operating Temperature Storage Temperature Description Q-channel baseband input, positive terminal Positive supply (+5V) Ground Local oscillator input, positive terminal Local oscillator input, negative terminal Ground Shut-down control I-channel baseband input, positive terminal I-channel baseband input, negative terminal Positive supply (+5V) Ground RF output, negative terminal RF output, positive terminal Ground Positive supply (+5V) Q-channel baseband input, negative terminal Value 6.0 +10 0 3 -40 to +85 -65 to +150 Unit VDC dBm VDC VDC C C Nominal DC bias voltage is 1.9V (biased internally) Nominal DC voltage is 2.4V. Output should be AC-coupled. Nominal DC voltage is 2.4V. Output should be AC-coupled. Logic high = normal operation; logic low = shut-down enabled. Nominal DC bias voltage is 1.9V (biased internally) Nominal DC bias voltage is 1.9V (biased internally) Nominal DC voltage is 2.0V. Input should be AC-coupled. Nominal DC voltage is 2.0V. Input should be AC-coupled. Additional Comments Nominal DC bias voltage is 1.9V (biased internally)
Absolute Maximum Ratings
Part Number Ordering Information
Part Number STQ-2016 STQ-2016Z Reel Size 7" 7" Devices/Reel 1000 1000
Operation of this device beyond any one of these limits may cause permanent damage. For reliable continuous operation the device voltage and current must not exceed the maximum operating values specified in the table on page one. 303 South Technology Court Broomfield, CO 80021 Phone: (800) SMI-MMIC 5
Caution: ESD Sensitive
Appropriate precaution in handling, packaging and testing devices must be observed.
http://www.sirenza.com EDS-102083 Rev F
700 - 1000 MHz Application Schematic
BBQP
P8 P9
STQ-2016 Direct Quadrature Modulator
BBQN
VCC
H2
1 2
L1 VCC VCC C3 C6 P10 U1 16 1 BBQP BBQN 15 2 VCC VCC 14 3 VEE VEE 13 4 LOP RFP STQ-2016 12 5 LON RFN 11 6 VEE VEE 10 7 VCC SD 9 8 BBIP BBIN VCC C9 C10 4 T4 5 C1 6 C18 VCC Connect backside exposed paddle to RF/DC ground. R8 R9 R10 8 1 P11 R1 R7
LOin
8 T3 1
5
C4
4 C5 C17
RFout
Fully Assembled PCB
2.0" (50.8mm) BBQP VCC P8 P9 BBQN
Shut-down H2
1 2
SH1
VCC
1 2 H1 2.0" (50.8mm) C3 L1 P1 0 LO In H2 1 2 SH1 T3 R1 C6 C4 C5 C17 R8 R9 U1 R7 C9 C10 C16 C18 R10 P11 T4
BBIP
P12
P13
BBIN
RF Out
Shutdown GND
Note: Remove SH1 to enable modulated output.
BBIP P12 P13 BBIN
Bill of Materials (for 700 - 1000 MHz Evaluation Board P/N STQ-2016EVB-1)
Component Designator U1 P8, P9, P10, P11, P12, P13 H1, H2 T3, T4 L1 R1, R7, R9, R10 R8 C6, C18 C9, C17 C3 C4, C5, C10, C16 SH1 1:1 1uH 200 ohm 1 kohm 33pF 1nF 2.2uF 10pF Value Qty 1 6 2 2 1 4 1 2 2 1 4 1 Vendor SMDI Johnson Components AMP Panasonic Panasonic Venkel Venkel Venkel Venkel Venkel Venkel 3M Part Number STQ-2016 142-0701-851 640453-2 EHF-FD1618 ELJ-FA1R0KF2 CR1206-8W-2000T CR0603-16W-1001FT C0603COG500-330JNE C0603COG500-102JNE C1206Y5V160-225ZNE C0603COG500-100JNE 929950-00 Description SiGe Direct Quadrature Modulator SMA connector, end launch with tab, for .062" thick board 2-pin header, right angle RF transformer, 700-1300MHz Inductor, 1210 footprint, 10% tolerance Resistor, 1206 footprint, 1% tolerance Resistor, 0603 footprint, 1% tolerance Capacitor, 0603 footprint, COG dielectric, 5% tolerance Capacitor, 0603 footprint, COG dielectric, 5% tolerance Capacitor, 1206 footprint, Y5V dielectric, 16V rating Capacitor, 0603 footprint, COG dielectric, 5% tolerance Shunt for 2-pin header http://www.sirenza.com EDS-102083 Rev F
303 South Technology Court Broomfield, CO 80021
Phone: (800) SMI-MMIC 6
1.7 - 2.5 GHz Application Schematic
BBQP P8 P9 BBQN
STQ-2016 Direct Quadrature Modulator
VCC
H2
1 2
L1 VCC VCC C3 C6 P10 U1 16 1 BBQP BBQN 15 2 VCC VCC 14 3 VEE VEE 13 4 LOP RFP STQ-2016 12 5 LON RFN 11 6 VEE VEE 10 7 VCC SD 9 8 BBIP BBIN VCC Connect backside exposed paddle to RF/DC ground. VCC C9 C10 4 T4 5 C16 C18 8 C2 1 P11 R1 R7
LOin
C1
8 T3 1
5
C4
4 C5 C17
RFout
Fully Assembled PCB
2.0" (50.8mm) BBQP VCC 1 2 H1 2.0" (50.8mm) C3 L1 P10 T3 LO In H2 1 2 SH1 C1 R1 C6 C4 C5 C17 R8 R9 U1 R7 C9 C10 T4 C2 C16 C18 R10 P11 P8 P9 BBQN
Shut-down H2
1 2
SH1 R8 R9 R1 0
VCC
BBIP
P12
P13
BBIN
RF Out
Shutdown GND
Note: Remove SH1 to enable modulated output.
Bill of Materials (for 1.7 - 2.5 GHz Evaluation Board P/N STQ-2016EVB-2)
Component Designator U1 P8, P9, P10, P11, P12, P13 H1, H2 T3, T4 L1 R1, R7, R9, R10 R8 C1, C2 C6, C18 C9, C17 C3 C4, C5, C10, C16 SH1 1:1 1uH 200 ohm 1 kohm 0.5pF 6.8pF 1nF 2.2uF 2.2pF Value Qty 1 6 2 2 1 4 1 2 2 2 1 4 1 Vendor SMDI Johnson Components AMP Panasonic Panasonic Venkel Venkel Venkel Venkel Venkel Venkel Venkel 3M Part Number STQ-2016 142-0701-851 640453-2 EHF-FD1619 ELJ-FA1R0KF2 CR1206-8W-2000T CR0603-16W-1001FT
BBIP
P12 P13
BBIN
Description SiGe Direct Quadrature Modulator SMA connector, end launch with tab, for .062" thick board 2-pin header, right angle RF transformer, 1200-2200MHz Inductor, 1210 footprint, 10% tolerance Resistor, 1206 footprint, 1% tolerance Resistor, 0603 footprint, 1% tolerance
C0603COG500-0R5CNE Capacitor, 0603 footprint 0.25pF tolerance C0603COG500-6R8CNE Capacitor, 0603 footprint, COG dielectric, 0.25pF tol. C0603COG500-102JNE C1206Y5V160-225ZNE Capacitor, 0603 footprint, COG dielectric, 5% tolerance Capacitor, 1206 footprint, Y5V dielectric, 16V rating
C0603COG500-2R2CNE Capacitor, 0603 footprint, COG dielectric, 0.25pF tolerance 929950-00 Shunt for 2-pin header http://www.sirenza.com EDS-102083 Rev F
303 South Technology Court Broomfield, CO 80021
Phone: (800) SMI-MMIC 7
STQ-2016 Direct Quadrature Modulator
Direct Quadrature Modulator: General Test Set-Up
499 50 5.11K 10K 5.11K VCC 2K AD8138 VCC 1K + VOCM 50 50 600mV p-p differential DC levels for BBIN, BBIP, BBQN, BBQP are 1.9V nominal. The offset required to null carrier feedthrough is typically <20mV.
200kHz sine 145mV amplitude 0 degree phase BBI 0 90 200kHz sine 145mV amplitude +90 degree phase 50 BBQ
24.9
499
STQ-x016
2K BBI+ BBILO+ LOBBQ+ BBQRF out
-4dBm LO
LO Match
0 90
RF+ RF-
RF Match
499 5.11K 10K VCC
2K
VCC 1K
AD8138 50 + VOCM 50 600mV p-p differential +5V
- for intermodulation tests, synthesizer set for 200kHz and 220kHz sine outputs on I and Q channels
5.11K
24.9
499
2K
303 South Technology Court Broomfield, CO 80021
Phone: (800) SMI-MMIC 8
http://www.sirenza.com EDS-102083 Rev F

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