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ETC - 250 - 1000 MHz Direct Quadrature Modulator

Numéro de référence STQ1016
Description 250 - 1000 MHz Direct Quadrature Modulator
Fabricant ETC 
Logo ETC 





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STQ1016 fiche technique
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Product Description
The Sirenza Microdevices’ STQ-1016 is a direct quadrature
modulator targeted for use in a wide range of communica-
tions systems, including cellular/PCS, GSM, CDMA, TETRA,
and ISM datacom. This device features a wide 250 - 1000
MHz operating frequency band, excellent carrier and side-
band suppression, and a low broadband noise floor.
STQ-1016
250 - 1000 MHz
Direct Quadrature Modulator
The STQ-1016 uses silicon germanium (SiGe) device tech-
nology and delivers a typical output power of -9 dBm 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.
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)
PrEoxdceullcetntFceaarrtieurrfeeesdthrough, -38 dBm con-
Functional Block Diagram
BBQP 1
VCC 2
16 BBQN
15 VCC
VEE 3
14 VEE
LOP 4
LON 5
LO
QUADRATURE
GENERATOR
13 RFP
12 RFN
stant over output power
Output P1dB +5dBm
Very low noise floor, -154 dBm/Hz typical
Wide baseband input, DC - 500 MHz
Superb phase accuracy and amplitude bal-
ance, ±0.5 deg./±0.2 dB
Low LO drive requirement, -5 dBm
VEE 6
SD 7
BBIP 8
11 VEE
10 VCC
9 BBIN
Product Specifications – RF Output: TA = 25ºC
ApCpellliuclaart/PioCnS/sGSM/CDMA transceivers
TETRA
GMSK, QPSK, QAM, SSB modulators
Parameters
Test Conditions (see page 2)
Units Min.
Typ.
Max.
RF Frequency Range
MHz 250
1000
Output Power
(baseband input level 600 mVp-p differential)
dBm -12.0
-9
-7
RF Port Return Loss
matched to 50using schematic shown on page 5
dB
>10, 250 to 1000 MHz
>15, 275 to 500 MHz
Output P1dB
(baseband input level 3.8Vp-p differential typical)
dBm +3
+6
Carrier Feedthrough
dBm
-38 -30
Sideband Suppression
dB 34
42
IM3 Suppression
2-tone BB input @ 600mVp-p diff. per tone, 20kHz spacing dB
58
62
Broadband Noise Floor
Quadrature Phase Error
baseband inputs tied to 1.9VDC, -20MHz offset from carrier dBm/Hz
deg
-2
-154
±0.5
+2
I/Q Amplitude Balance
dB -0.2
±0.05
+0.2
Supply Voltage (Vcc)
V +4.75 +5 +5.25
Supply Current
DevicewThwermwal.RDesaisttaancSe hjuencetiotn4-caUse.com
mA
ºC/W
80 86
25
Performance tests and ratings for Sirenza Microdevices' products were performed internally by Sirenza and measured using specific computer systems and/or components and reflect the approximate
performance of the products as measured by those tests. Any difference in circuit implementation, test software, or test equipment may affect actual performance. The information provided herein is
believed to be reliable at press time and Sirenza Microdevices assumes no responsibility for the use of this information. All such use shall be entirely at the user's own risk. Prices and specifications
for Sirenza Microdevices' products are subject to change without notice. Buyers should consult Sirenza Microdevices' standard terms and conditions of sale for Sirenza's limited warranty with regard
to its products. 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 product for use in
life-support devices and/or systems. Copyright 2004 Sirenza Microdevices, Inc. All worldwide rights reserved.
303 South Technology Court
Broomfield, CO 80021
Phone: (800) SMI-MMIC
1
http://www.sirenza.com
EDS-102531 Rev A

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