MAX2306/MAX2308/MAX2309 Evaluation Kits MAX2306/MAX2308/MAX2309 e
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MAX2306/MAX2308/MAX2309 Evaluation Kits
MAX2306/MAX2308/MAX2309 evaluation kits kits) simplify testing MAX2306/MAX2308/ MAX2309 receivers. These kits allow evaluation devices' variable-gain amplifier (VGA), demodulator, dual-band voltage-controlled oscillators (VCOs), synthesizer, 3-wire programming interface, powermanagement features. kits provide connectors signal inputs outputs. varactor-based tank circuit provided on-chip tuned potentiometer external voltage phase-locked with on-chip phase-locked loop (PLL). Dual Oscillators (MAX2306) On-Board Synthesizer 3-Wire Interface Single-Ended Differential Baseband Outputs +2.7V +5.5V Single-Supply Operation Connectors Signal Ports Control Software (available www.maxim-ic.com)
Features
Evaluate: MAX2306/MAX2308/MAX2309
Ordering Information
PART MAX2306EVKIT MAX2308EVKIT MAX2309EVKIT TEMP. RANGE -40°C +85°C -40°C +85°C -40°C +85°C PACKAGE QSOP-EP* QSOP-EP* QSOP-EP*
*Exposed
Component List
DESIGNATION C33, DESCRIPTION 47pF ±10%, ceramic capacitors (0402) ±0.1pF, ceramic capacitor (0402) (MAX2306) 33pF ±10%, ceramic capacitor (0402) (MAX2306) 33pF ±10%, ceramic capacitor (0402) (MAX2306/MAX2309) ±0.1pF, ceramic capacitor (0402) (MAX2306/MAX2308) 33pF ±10%, ceramic capacitor (0402) 33pF ±10%, ceramic capacitor (0402) (MAX2306/MAX2308) 330pF ±10%, ceramic capacitors (0402) DESIGNATION C10, C11, C13, C14, C15, C21, C22, C28, C30, C35, C37, C38, C42, C46, C57, DESCRIPTION
0.01µF ±10%, ceramic capacitors (0402)
3.0pF ±0.1pF, ceramic capacitor (0402) (MAX2306/MAX2308) 0.01µF ±1%, ceramic capacitor (0402) (MAX2306/MAX2308) 10pF ±10%, ceramic capacitors (0402) 10µF ±10%, tantalum capacitors TAJC106K016 0.068µF ±10%, ceramic capacitor (0402) Open 1000pF ±10% capacitor (0402) (MAX2309)
C19,
C12, C23, C24, C25,
C27, C56,
Maxim Integrated Products
pricing, delivery, ordering information, please contact Maxim/Dallas Direct! 1-888-629-4642, visit Maxim's website www.maxim-ic.com.
MAX2306/MAX2308/MAX2309 Evaluation Kits Evaluate: MAX2306/MAX2308/MAX2309
Component List (continued)
DESIGNATION C44, C47-C53 C54, DESCRIPTION 0.1µF ±10%, ceramic capacitors (0402) 0.1µF ±10%, ceramic capacitors (0805) resistor (0402) (MAX2309) ±0.1pF, ceramic capacitor (0402) (MAX2309) Varactor diode (MAX2306) Alpha SMV1763-079 Varactor diode Alpha SMV1763-079 Varactor diode (MAX2306/MAX2308) Alpha SMV1763-079 Varactor diode (MAX2306/MAX2309) Alpha SMV1763-079 33nH inductor (MAX2306) Coilcraft 0603CS-33NXGBC 33nH inductor (MAX2306/MAX2308) Coilcraft 0603CS-33NXGBC 120nH inductor (MAX2306/MAX2308) Coilcraft 0603CS-33NXGBC 220nH inductor Coilcraft 0603CS-R22TKBC 33nH inductor (MAX2309) Coilcraft 0603CS-33NXGBC 270nH inductor Toko LL1608-PSR275 Open resistors (0402) resistor (0402) (MAX2306) resistor (0402) (MAX2306/MAX2309) resistor (0402) None INTF2300 Interface Board None DESIGNATION R14, R16, R11, R19, R31, R32, R33, R34, R40, R12, R13, R15, R20, R21, R25, JU3, JU9, JU10, JU11 None DESCRIPTION resistor (0402) (MAX2306/MAX2308) resistor (0402) (MAX2306/MAX2309) resistors (0402) 49.9 resistor (0402) resistor (0402) 4.7k resistor (0402) resistors (0402) resistors (0402) Bourns variable resistors, Digi-Key 3296W-104-ND resistors (0402) (MAX2309) Open 2.4k resistor (0402) resistor (0402) resistor (0402) (MAX2306) resistor (0402) (MAX2309) 20-pin header Two-pin headers Balun transformer, Toko DB458-1011 MAX2306EGI, MAX2308EGI, MAX2309EGI MAX4108ESA MAX2306/MAX2308/MAX2309 circuit board MAX2306/MAX2308/MAX2309 data sheet 3-wire programming interface board 20-pin ribbon cable
R38,
MAX2306/MAX2308/MAX2309 Evaluation Kits
Component Suppliers
SUPPLIER Alpha Industries Coilcraft Murata Toko PHONE 617-935-5150 803-946-0690 847-639-6400 770-436-1300 708-297-0070 617-933-2359 803-626-3123 847-639-1469 770-436-3030 708-699-1194
Quick Start
MAX2306/MAX2308/MAX2309 kits fully assembled factory tested. Follow instructions Connections Setup section.
Recommended Test Equipment
test equipment recommended verify MAX2306/ MAX2308/MAX2309 operation listed Table This list intended guide only; substitutions possible.
Connections Setup
following sections provide instructions getting running CDMA mode. CDMA Mode Perform following steps evaluate MAX2306/ MAX2308/MAX2309 CDMA mode: Verify that shunts JU3, JU10, JU11 place.
Table Recommended Equipment
EQUIPMENT DESCRIPTION 8648A equivalent. Capable delivering -70dBm -10dBm output power 10MHz 500MHz frequency range. generator required test receive signal path other reference frequency. viewing demodulator outputs. Capable providing least 100mA +2.7V +5.5V. external control (optional). 486DX33 better, with Windows95® later version Windows® operating system parallel port. Provided with kit.
Signal Generators
Connect INTF2300 interface cable shown Figure (Pin interface cable corresponds wire; designated silkscreen each boards.) Connect +2.75V power supply terminals. other supplies then connect appropriate +5V, -5V, terminals board. Install Maxim's CDMA control software (available www.maxim-ic.com). Under Technical Support heading, click SOFTWARE. Select correct software download install. With MAX2306, MAX2308, MAX2309 screen active, control pins. SHDN "H". MAX2306, MODE "H". MAX2309, STBY, BUF_EN, DIVSEL "H". Turn power supplies. Under Preset Modes select CDMA mode. Under Program Dividers 306. then click Send Data Under Control Register, click Send Data. Connect signal generator port, configured sine wave with 19.2MHz frequency -10dBm amplitude. (The port terminated.) Connect signal generator with 183.72MHz -66dBm apply CDMA differential port. 2.5VDC rotating potentiometer R13. Optionally, external voltage used removing jumper applying voltage labeled VGC. Configure oscilloscope measure highimpedance, 1Vp-p, 100kHz waveform. Connect output. Voltage gain calculated OUTp-p Gain 20log (RMS)
Evaluate: MAX2306/MAX2308/MAX2309
Oscilloscope Power Supply Additional Voltage Source Personal Computer INTF2300 Interface Board
(dBm)
Gain approximately 60dB Note: balun loss taken into account. This loss typically less than 0.5dB. There also some loss through MAX4108 amp.
Windows95 Windows registered trademarks Microsoft Corp.
MAX2306/MAX2308/MAX2309 Evaluation Kits Evaluate: MAX2306/MAX2308/MAX2309
Adjustments Control
Adjust
MAX2306/MAX2308/MAX2309 kits configured with trim setting adjusting gain. external supply used removing 2-pin shunt (JU3) directly connecting supply labeled VGC. voltage must clean minimize undesired amplitude modulation.
Inputs
port AC-coupled terminated with signal source.
Outputs
outputs self-biased baseband outputs. differential outputs converted single-ended outputs with MAX4108 amps.
Interface Control
interface port designed 20-pin ribbon cable. pins signal lines, other pins digital grounds. interface cable red. also designated silkscreen each boards.
Board Layout/ Construction
MAX2306/MAX2308/MAX2309 kits serve board layout guides. Keep board trace lengths short possible minimize parasitics. Keep decoupling capacitors close device, with low-inductance through connection ground plane.
Detailed Description
following sections cover kits' circuit blocks detail. (Refer MAX2306/MAX2308/MAX2309 data sheet additional information.)
INTF2300
Interface Board
INTF2300 interface board used control 3wire interface device under test from parallel port This board level translates logic from device under test. INTF2300 also provides buffering filtering. recommended operating supply voltage range +2.7V +3.6V. operation MAX2306/MAX2309 above +3.6V, jumper removed external supply voltage +3.6V applied between (pin (pin (Figure 11).
CDMA Inputs
on-board balun converts CDMA DIFF input differential signal MAX2306/MAX2308/MAX2309. source impedance transformed combination C19, C20, impedance ratio input balun.
Inputs
configured single-ended (50) operation connector. matching network transforms 850.
VCCA 47pF 0.01µF 0.01µF 0.01µF 3.0pF 10pF CDMA+ TANKL+ CDMA1 TANKLC6 33pF TANKH+ 0.01µF 33nH 10pF TOKO 4458D8-1011 220nH 33nH CDMA DIFF FMC30 0.01µF CP_OUT 0.01µF 0.01µF 120nH VCCA OPEN
OPEN 2.4k 0.068µF 33pF TANKH4 MODE DATA SHDN QOUT+ 0.01µF VCCD 0.01µF 49.9 SHDN IOUT+ RXI+ 0.01µF 0.01µF IOUTLOCK LOCK QOUT12 0.01µF IOUT+ VCCA DATA 33pF 33pF
Figure MAX2306EV Schematic
OPEN
4.7k
330pF
MAX2306
MODE/DIVSEL
QOUT+ RXQ+
IOUTRXI-
QOUTRXQ-
MAX2306/MAX2308/MAX2309 Evaluation Kits
Evaluate: MAX2306/MAX2308/MAX2309
Evaluate: MAX2306/MAX2308/MAX2309
Figure MAX2308EV Schematic
OPEN 0.01µF 0.01µF 0.01µF 3.0pF 10pF CDMA+ CDMAC20 10pF TOKO 4458D8-1011 220nH CDMA DIFF FMC30 0.01µF CP_OUT TANKH+ 33nH TANKH4 N.C. N.C. N.C. SHDN QOUT+ 0.01µF DATA DATA VCCA 49.9 SHDN IOUT+ RXI+ 0.01µF 0.01µF IOUTLOCK LOCK QOUT12 0.01µF 0.01µF 0.01µF 33pF 0.01µF 0.01µF 120nH 47pF VCCA VCCA 2.4k 0.068µF 33pF
MAX2306/MAX2308/MAX2309 Evaluation Kits
MAX2308
VCCD QOUT+ RXQ+ QOUTRXQRXI-
OPEN
OPEN
4.7k
330pF
IOUT+
IOUT-
OPEN 0.01µF 0.01µF N.C. STBY 0.01µF CP_OUT 10pF CDMA+ TANKHC6 33pF BUFEN DIVSEL DATA SHDN QOUT+ 0.01µF DATA VCCA 49.9 SHDN IOUT+ RXI+ 0.01µF 0.01µF IOUTLOCK LOCK QOUT12 0.01µF 0.01µF LOOUT LOOUT 0.01µF BUFEN CDMAC20 10pF TOKO 4458D8-1011 220nH CDMA DIFF TANKH+ 33nH STBY 0.01µF 0.01µF 47pF
VCCA
VCCA
2.4k 0.068µF
OPEN
Figure MAX2309EV Schematic
33pF
OPEN
4.7k
MAX2309
330pF
MODE/DIVSEL VCCD
QOUT+ RXQ+
IOUT+
QOUTRXQ-
IOUTRXI-
MAX2306/MAX2308/MAX2309 Evaluation Kits
Evaluate: MAX2306/MAX2308/MAX2309
MAX2306/MAX2308/MAX2309 Evaluation Kits Evaluate: MAX2306/MAX2308/MAX2309
RXI+
0.1µF
0.1µF
0.1µF
RXIR81 0.1µF
MAX4108
0.1µF
DEMODULATOR RECEIVERS
RXQ-
0.1µF
0.1µF
0.1µF
RXQ+ 0.1µF
MAX4108
0.1µF
Figure MAX2306/MAX2308/MAX2309 Schematic (I/Q Section)
R15* STBY R17* BUFEN 270nH J18-F 0.01µF 10µF 330pF J18-G 10µF J18-C J18-A OPEN J18-B ICCA JU10 VCCA 0.01µF 0.01µF 0.01µF 0.01µF ICCD JU11 LOCK VCCD OPEN 330pF 330pF 10µF 0.1µF 0.1µF J18-D OPEN 330pF SHDN 0.1µF DATA 330pF J18-E MODE/DIVSEL J18-H J18-I J18-J
OPEN
Figure MAX2306/MAX2308/MAX2309 Schematics (Supplies Interface Sections) (continued)
MAX2306/MAX2308/MAX2309 Evaluation Kits
Evaluate: MAX2306/MAX2308/MAX2309
*SEE COMPONENT LIST
MAX2306/MAX2308/MAX2309 Evaluation Kits Evaluate: MAX2306/MAX2308/MAX2309
1.0"
1.0"
Figure MAX2306/MAX2308/MAX2309 Board Layout-Component Side (Layer
Figure MAX2306/MAX2308/MAX2309 Board Layout-Ground Plane (Layer
1.0"
Figure MAX2306/MAX2308/MAX2309 Board Layout-Inner Layer (Layer
MAX2306/MAX2308/MAX2309 Evaluation Kits Evaluate: MAX2306/MAX2308/MAX2309
1.0"
1.0"
Figure MAX2306/MAX2308/MAX2309 Board Layout-Solder Side (Layer
Figure MAX2306/MAX2308/MAX2309 Component Placement Guide-Component Side
1.0"
Figure MAX2306/MAX2308/MAX2309 Component Placement Guide-Solder Side
MAX2306/MAX2308/MAX2309 Evaluation Kits Evaluate: MAX2306/MAX2308/MAX2309
DB25M
PARALLEL PORT
INTF2300
MAX2306 MAX2308 MAX2309
VCCD
Figure INTF2300 Interface Board
Maxim cannot assume responsibility circuitry other than circuitry entirely embodied Maxim product. circuit patent licenses implied. Maxim reserves right change circuitry specifications without notice time.
_Maxim Integrated Products, Gabriel Drive, Sunnyvale, 94086 408-737-7600 2001 Maxim Integrated Products Printed registered trademark Maxim Integrated Products.
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