CV110-2A_07 [WJCI]
Cellular-band High Linearity Downconverter; 蜂窝频段的高线性度下变频型号: | CV110-2A_07 |
厂家: | WJ COMMUNICATION. INC. |
描述: | Cellular-band High Linearity Downconverter |
文件: | 总4页 (文件大小:282K) |
中文: | 中文翻译 | 下载: | 下载PDF数据表文档文件 |
CV110-2A
Cellular-band High Linearity Downconverter
Product Features
• High dynamic range downconverter
with integrated LO, IF, & RF amps
Product Description
Functional Diagram
The CV110-2A is a high linearity downconverter
designed to meet the demanding issues for performance,
functionality, and cost goals of current and next
generation mobile infrastructure. It provides high
dynamic range performance in a low profile surface-
mount leadless package that measures 6 x 6 mm square.
28
27
24
23
22
26
25
• RF: 800 – 960 MHz
RF OUT
GND
1
2
3
4
5
6
7
21 IF OUT
• IF: 200 – 250 MHz
IF Amp
GND
N/C
RF Amp
20
19
18
17
16
15
N/C
• +37 dBm Output IP3
IF Feedthru
Path
Functionality includes RF amplification, frequency
conversion and IF amplification, while an integrated LO
driver amplifier powers the passive mixer. The MCM is
implemented with reliable and mature GaAs MESFET
and InGaP HBT technology.
GND
GND
BIAS
GND
LO IN
• +20 dBm Output P1dB
• 5 dB Noise Figure
LO Driver Amp
IF THRU
GND
• +5V Single supply operation
• Pb-free 6mm 28-pin QFN package
• Low-side LO configuration
RF/IF
8
RF/IF
LO
12
9
13
14
10
11
Typical applications include frequency downconversion
used in CDMA/GSM/TDMA, CDMA2000, W-CDMA,
and EDGE 2.5G and 3G mobile base transceiver stations
for cellular frequency bands.
• Common footprint with other
PCS/UMTS versions
Specifications (1)
Parameters
Units
MHz
MHz
MHz
%
Min
Typ
800 – 960
Max
Comments
RF Frequency Range
LO Frequency Range
IF Center Frequency Range
% Bandwidth around IF center frequency
IF Test Frequency
550 – 760
200 – 250
7.5
240
22
See note 2
See note 3
MHz
dB
SSB Conversion Gain
Gain Drift over Temp (-40 to 85 °C)
Output IP3
Temp = 25 °C
dB
Referenced to +25 °C
See note 4
1.5
+37
+45
+20
5
dBm
dBm
dBm
dB
Output IP2
See note 4
Output 1dB Compression Point
Noise Figure
See note 5
LO Input Drive Level
LO-RF Isolation
dBm
dB
-2.5
+2.5
0
See note 6
60
LO-IF Isolation
dB
PLO = 0 dBm
40
Return Loss: RF Port
Return Loss: LO Port
Return Loss: IF Port
Operating Supply Voltage
Supply Current
dB
15
dB
10
15
dB
V
+4.9
290
+5
+5.1
480
72.1
27
mA
360
failures
FIT Rating
/
@ 70o C ambient, 90% confidence
See note 7
1E9 hrs
Thermal Resistance
Junction Temperature
°C / W
°C
160
1. Specifications when using the application specific circuit (shown on page 3) with a low side LO = 0 dBm in a downconverting application over the operating case temperature range.
2. IF matching components affect the center IF frequency. Proper component values for other IF center frequencies than shown can be provided by emailing to applications.engineering@wj.com.
3. The IF bandwidth of the converter is defined as 15% around any center frequency in its operating IF frequency range. The bandwidth is determined with external components. Specifications are valid around
the total 7.5% bandwidth. ie. with a center frequency of 240 MHz, the specifications are valid from 240 18 MHz.
4. Assumes the supply voltage = +5 V. OIP3 is measured with ∆f = 1 MHz with IFout = 5 dBm / tone.
5. Assumes LO injection noise is filtered at the thermal noise floor, -174 dBm/Hz, at the RF, IF, and Image frequencies.
6. L-R Isolation is referenced to an LO injection of 0 dBm. The L-R performance shown also includes the isolation due to an external SAW filter between the RF amplifier and mixer.
7. The maximum junction temperature ensures a minimum MTTF rating of 1 million hours of usage.
Absolute Maximum Rating
Parameter
Rating
-40 to +85 °C
-55 to +125 °C
+6 V
+220 °C
+2 dBm
Ordering Information
Operating Case Temperature
Storage Temperature
DC Voltage
Junction Temperature
RF Input (continuous)
Part No.
Description
Cellular-band High Linearity Downconverter
(lead-free/RoHS-compliant 6x6mm QFN package)
CV110-2AF
CV110-2APCB240 Fully Assembled Eval. Board, IF = 240MHz
Operation of this device above any of these parameters may cause permanent damage.
Specifications and information are subject to change without notice
WJ Communications, Inc • Phone 1-800-WJ1-4401 • FAX: 408-577-6621 • e-mail: sales@wj.com • Web site: www.wj.com
Page 1 of 4 April 2007
CV110-2A
Cellular-band High Linearity Downconverter
Device Architecture / Application Circuit Information
28
27
24
23
22
26
25
Typical Downconverter Performance Chain Analysis
Cumulative Performance
Output Output
RF OUT
GND
1
2
3
4
5
6
7
21 IF OUT
Output Output
Gain
(dB)
NF
Current
(mA)
IF Amp
GND
N/C
RF Amp
20
19
18
17
16
15
Stage
P1dB
IP3
Gain
(dB)
NF
(dB)
P1dB
(dBm)
IP3
(dBm)
N/C
(dBm)
(dBm)
(dB)
IF Feedthru
Path
GND
GND
BIAS
GND
LO IN
RF Amplifier 13.5
21
---
8
40.0
---
3.5
1.5
9.8
2.5
150
---
13.5
12.0
3.0
21.0
19.5
6.1
40.0
38.5
22.1
37.0
3.5
3.5
4.5
5.0
LO Driver Amp
IF THRU
GND
RF Filter
MMIC Mixer
IF Amplifier
-1.5
-9.0
19.0
23.0
39.1
60
22
150
22.0
20.3
RF/IF
8
RF/IF
LO
12
CV110-2A
Cumulative Performance
360
22.0
20.3
37.0
5.0
9
13
14
10
11
RF Amp Matching
IF Amp Matching
IF Amp Bias
RF Amp Bias
RF Bandpass Filter /
Attenuator Pad
Printed Circuit Board Material:
.014” FR-4, 4 layers, .062” total thickness
LO Amp Bias
LO Amp Bias
RF / IF Diplexer
(used for cellular versions only)
CV110-2A: The application circuit can be broken up into four main
functions as denoted in the colored dotted areas above: RF/IF
diplexing (purple), amplifier matching (green), filtering (red), and dc
biasing (blue). There are various placeholders for chip components in
the circuit schematic so that a common PCB can be used for all WJ
single-branch converters. Additional placeholders for other optional
functions such as filtering are also included.
performance with the downconverter.
The bandpass filter,
implemented with a SAW filter on the application circuit, allows for
the suppression of noise from the image frequency. It is permissible
to not use a filter and use a 2 dB pad with R6, R7, and R16 instead
with slightly degraded noise figure performance. Standard WJ
evaluation boards will have the 2 dB pad in place.
External Diplexer: In a downconversion application, the incoming
RF signal impinges on the switching elements of the mixer; the
RF / IF Amplifier Matching: The RF amplifier requires a shunt
matching element for optimal gain and input return loss performance. interaction with these switches produces a signal at the IF frequency.
The IF amplifier requires matching elements to optimize the
performance of the amplifier to the desired IF center frequency.
Since IF bandwidths are typically on the order of 5 to 10%, a simple
two element matching network, in the form of either a high-pass or
low-pass filter structure, is sufficient to match the MMIC IF
amplifier over these narrow bandwidths. Proper component values
for other IF center frequencies can be provided by emailing to
applications.engineering@wj.com.
The two signals (RF and IF) are directed to the appropriate ports by
the external diplexer. Pin 5 contains the IF signal and allows the
signal to be transferred to pin 25 for the convenience of PCB layouts.
DC biasing: DC bias must be provided for the RF, LO and IF
amplifiers in the converter. R1 sets the operating current for the last
stage of the LO amplifier and is chosen to optimize the mixer LO
drive level. Proper RF chokes and bypass capacitors are chosen for
proper amplifier biasing at the intended frequency of operation. The
“+5 V” dc bias should be supplied directly from a voltage regulator.
RF Bandpass Filtering: Bandpass filtering is recommended to
reject the image frequencies and achieve the best noise figure
IF Amplifier Matching
Frequency (MHz)
L7 (nH)
180
82
210
82
240
56
C17 (pF)
4.7
2.2
330
3.3
2.2
220
3.9
2.2
220
R8 (ohms)
L4 (nH)
Specifications and information are subject to change without notice
Page 2 of 4 April 2007
WJ Communications, Inc • Phone 1-800-WJ1-4401 • FAX: 408-577-6621 • e-mail: sales@wj.com • Web site: www.wj.com
CV110-2A
Cellular-band High Linearity Downconverter
Downconverting Application Circuit: CV110-2APCB240
RF = 800 – 960 MHz, IF = 240 MHz
PCB Layout
Bill of Materials
Component
Ref. Desig.
R1
13 Ω chip resistor, size 0805
R2, R3, R4, R5
0 Ω chip resistor
R6, R7
470 Ω chip resistor
R8
2.2 Ω chip resistor
R9, R10
200 Ω chip resistor
R11
27 Ω chip resistor
R16
10 Ω chip resistor
C1, C3, C4, C5, C6
100 pF chip capacitor
8.2 pF chip capacitor
0.018 µF chip capacitor
1000 pF chip capacitor
Shown in silkscreen, but not
used in actual circuit.
5.6 pF chip capacitor
12 pF chip capacitor
3.9 pF chip capacitor
1.5 pF chip capacitor
18 nH chip inductor
120 nH chip inductor
220 nH chip inductor, size 0805
12 nH chip inductor
33 nH chip inductor
56 nH chip inductor
15 nH chip inductor
10 nH chip inductor
CV110-2A WJ Converter
C2
C7, C9, C16
C8, C10
C11, C12, C13,
C18, C21, F1
C14
C15
C17
C18
L2
Circuit Board Material: .014” FR-4, 4 layers, .062” total thickness
L3
L4
L5
L6
L7
L8
L10
U1
All components are of size 0603 unless otherwise specified.
Specifications and information are subject to change without notice
WJ Communications, Inc • Phone 1-800-WJ1-4401 • FAX: 408-577-6621 • e-mail: sales@wj.com • Web site: www.wj.com
Page 3 of 4 April 2007
CV110-2A
Cellular-band High Linearity Downconverter
Mechanical Information
This package is lead-free/RoHS-compliant. The plating material on the pins is annealed matte tin over copper. It is compatible with both
lead-free (maximum 260 °C reflow temperature) and leaded (maximum 245 °C reflow temperature) soldering processes.
Outline Drawing
Product Marking
The component will be lasermarked with a
“CV110-2AF” product label with an
alphanumeric lot code on the top surface of the
package.
Tape and reel specifications for this part will be
located on the website in the “Application
Notes” section.
ESD / MSL Information
ESD Rating: Class 1B
Value:
Test:
Standard:
Passes ኑ500V to <1000V
Human Body Model (HBM)
JEDEC Standard JESD22-A114
ESD Rating: Class III
Value:
Test:
Standard:
Passes ኑ500V to <1000V
Charged Device Model (CDM)
JEDEC Standard JESD22-C101
MSL Rating: Level 2 at +260 °C convection reflow
Standard: JEDEC Standard J-STD-020
Functional Pin Layout
Mounting Configuration / Land Pattern
Pin
1
FUNCTION
RF Amp Output
GND
Pin
15
16
17
18
FUNCTION
LO Amp Input
GND
2
3
N/C
LO Amp Bias
GND
4
GND
5
IF Feedthru Port 19
N/C or GND
GND
6
GND
Mixer RF /
IF Port
20
IF Amp
Output/Bias
GND
7
21
8
GND
22
23
24
9
N/C or GND
GND
IF Amp Input
GND
10
11
12
Mixer LO Input
GND
25 IF Feedthru Port
26
GND
RF Amp Input
GND
13 LO Amp Output 27
14 GND 28
Specifications and information are subject to change without notice
Page 4 of 4 April 2007
WJ Communications, Inc • Phone 1-800-WJ1-4401 • FAX: 408-577-6621 • e-mail: sales@wj.com • Web site: www.wj.com
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