STQ-2016Z View Datasheet(PDF) - Sirenza Microdevices => RFMD
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STQ-2016Z Datasheet PDF : 8 Pages
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Product Description
The Sirenza Microdevices’ STQ-2016 is a direct quadrature
modulator targeted for use in a wide range of communica-
tions 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.
STQ-2016
STQ-2016Z
Pb RoHS Compliant
& Green Package
700-2500 MHz Direct Quadrature Modulator
The STQ-2016 uses silicon germanium (SiGe) device tech-
nology 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.
Functional Block Diagram
BBQP 1
VCC 2
VEE 3
LOP 4
LON 5
VEE 6
SD 7
BBIP 8
LO
QUADRATURE
GENERATOR
16 BBQN
15 VCC
14 VEE
13 RFP
12 RFN
11 VEE
10 VCC
9 BBIN
Product Specifications – RF Output: TA = 25ºC
Parameters
Test Conditions (see page 2)
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
• Excellent carrier feedthrough, -40 dBm con-
stant with output power
• Output P1dB +3dBm
• Wide baseband input, DC - 500 MHz
• Superb phase accuracy and amplitude bal-
ance, ±0.5 deg./±0.2 dB
• Very low noise floor, -155 dBm/Hz
• Low LO drive requirement, -5 dBm
Applications
• Cellular/PCS/CDMA2000/UMTS transceivers
• ISM band transceivers, 900 & 2400 MHz
• GMSK, QPSK, QAM, SSB modulators
Units Min. Typ. Max. Min. Typ. Max.
RF Frequency Range
MHz 700
1000 1700
2500
Output Power
baseband 200kHz @ 600mVp-p differential
dBm -13.0 -10.5 -9.0 -15.0 -11.5 -9.0
RF Port Return Loss
matched to 50Ω
(refer to schematics on pages 6 & 7)
dB
20
16
Output P1dB
(I/Q inputs = 3.74 Vp-p differential typical)
dBm +3
+4
0
+3
Carrier Feedthrough
dBm
-40 -34
-40 -32
Sideband Suppression
dB
34
40
34
40
IM3 Suppression
two-tone baseband input @ 600mVp-p differen-
tial per tone
dB
58
62
58
65
Broadband Noise Floor
baseband inputs tied to 1.9VDC, -20MHz offset
from carrier
dBm/Hz
-154 -152
-155 -153
Quadrature Phase Error
deg
-2 ±0.5 +2
-2 ±0.5 +2
I/Q Amplitude Balance
dB -0.2 ±0.05 +0.2 -0.2 ±0.05 +0.2
Supply Voltage (Vcc)
V +4.75 +5 +5.25 +4.75 +5 +5.25
Supply Current
mA
73
86
73
86
Device Thermal Resistance junction-case
ºC/W
25
25
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
http://www.sirenza.com
1
EDS-102083 Rev F
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