NEC UPC2721GV

SILICON MMIC
UPC2721GV
L BAND DOWNCONVERTER
FEATURES
INTERNAL BLOCK DIAGRAM
• WIDE BAND OPERATION UP TO 2.5 GHz
• INTERNAL BALANCED AMPLIFIER FOR VCO
• SINGLE ENDED PUSH-PULL IF AMPLIFIER
OSC base
(bypass)
1
• 5 V SINGLE SUPPLY VOLTAGE:
ICC = 30 to 35 mA
• LOW CURRENT DISSIPATION
• TAPE AND REEL PACKAGING OPTION AVAILABLE
8
RFIN1
7
RFIN2
(bypass)
6
GND
5
IFOUT
OSC
OSC base
(feedback)
2
OSC
BUFFER
DESCRIPTION
The UPC2721GV is a L-Band frequency converter manufactured using the NESAT III MMIC process. This product consists of a double balanced mixer, local oscillator, IF preamplifier, and constant voltage generator. It is available in a 8 pin
SSOP package. This device is designed for low cost cellular
radios, GPS receivers, PCS, and UHF TV tuner applications.
OSC collector
(coupling)
3
IF
AMP
VCC
4
REG.
MIX
The UPC2721 output amplifier is a single-end push-pull amplifier designed for operation into a 50 Ω load.
NEC's stringent quality assurance and test procedures ensure
the highest reliability and performance.
ELECTRICAL CHARACTERISTICS (TA = 25°C, VCC = 5 V, PLO = -10 dBm)
PART NUMBER
PACKAGE OUTLINE
SYMBOLS
PARAMETERS AND CONDITIONS
UPC2721GV
S08
UNITS
MIN
TYP
MAX
38
45.5
ICC
Circuit Current
mA
29
fRF
RF Frequency Range
GHz
0.9
2.0
fIF
IF Frequency Range
MHz
50
600
CG
Conversion Gain2
fRF = 900 to 2000MHz,fIF = 50 to 400 MHz
fIF = 400 to 400 MHz
dB
dB
dB
18
21
22
19.5
dBm
dBm
2
7
7
PSAT
Saturated Output Power2
fRF = 800 to 2000 MHz, fIF = 400 MHz
NF
Noise FigurefRF = 900 MHz, fIF = 400 MHz,
fRF = 2.0 GHz, fIF = 400 MHz
IP3
SSB Third Order Intercept Point, f1 = 900 MHz, f2 = 938 MHz
f1 = 2.0 GHz, f2 = 2.038 GHz
dB
dB
9
11
dBm
dBm
+10
+8.5
24
13
15
Notes:
1. Mounted on a 50 x 50 x 1.6 mm thick glass epoxy board with double sided copper.
2. Minimum and maximum specifications for CG and PSAT are measured at fRF = 900 MHz and 2.0 GHz and at fIF = 402.8 MHz.
California Eastern Laboratories
UPC2721GV
ABSOLUTE MAXIMUM RATINGS1 (TA = 25°C)
SYMBOLS
PARAMETERS
VCC2
Supply Voltage
UNITS
RATINGS
V
6
mW
250
PT3
Power Dissipation3
TOP
Operating Temperature
°C
-40 to +85
TSTG
Storage Temperature
°C
-65 to +150
Notes:
1. Operation in excess of any one of these parameters may result
in permanent damage.
2. Recommended operating VCC range is 4.5 to 5.5 V MAX.
3. TA = +85°C mounted on a 50 x 50 x 1.6 mm thick glass epoxy
board with double sided copper.
TYPICAL PERFORMANCE CURVES (TA = 25°C)
CIRCUIT CURRENT VS.
SUPPLY VOLTAGE
OUTPUT POWER VS.
INPUT POWER
60
+10
fRF = 2 GHz
50
Output Power, POUT (dBm)
Circuit Current, ICC (mA)
No Input Signal
40
30
20
10
fRF = 900 MHz
+5
0
-5
-10
-15
VCC = 5 V
fIF = 402 MHz
0
1
2
3
5
-20
6
-40
-30
-20
-10
0
Supply Voltage, VCC (V)
Input Power, PIN (dBm)
CONVERSION GAIN AND NOISE FIGURE
vs. RF FREQUENCY
UPC2721
CONVERSION GAIN
vs. IF FREQUENCY
+10
+20
30
30
VCC = 5 V
PRF = -30 dBm
PLO = -5 dBm
fIF = 402 MHZ
25
Conversion Gain, CG (dB)
Noise Figure, NF (dB)
Conversion Gain, CG (dB)
4
CG
20
15
10
NF
5
fRF = 2.0 GHz
25
20
fRF = 900 MHZ
15
10
5
VCC = 5 V
PLO = 0 dBm
PRF = -30 dBm
0
0.5
1.0
1.5
2.0
2.5
Input Frequency, fRF (GHz)
3.0
0
100
200
300
400
IF Frequency, fIF (MHz)
500
600
UPC2721GV
IM3 AND OUTPUT POWER
vs. INPUT POWER
OSC FREQUENCY STABILITY
vs. OSC FREQUENCY
Oscillation Frequency Stability, fSTB (MHz)
Output Power, POUT (dBm)
3rd Order Intermodulation Distortion, IM3 (dBm)
TYPICAL PERFORMANCE CURVES (TA = 25°C)
+10
Pout
0
-10
-20
IM3
-30
fRF1 = 900 MHZ
fRF2 = 938 MHZ
fLO = 1.3 GHZ (0 dBm)
fRF1 = 2.0 GHZ
fRF2 = 2.038 GHZ
fLO = 2.4 GHZ (0 dBm)
-40
-50
-60
-40
-30
-20
-10
0
+6.0
VCC = 4.5 V
+4.0
VCC = 5.5 V
+2.0
0
VCC = 5.5 V
-2.0
VCC = 4.5 V
-4.0
-6.0
-1.4
-1.5
-1.6
-1.7
-1.8
-1.9
-2.0
-2.1
-2.2
Oscillation Frequency, fOSC (GHz)
Input Power, PIN (dBm)
PIN DESCRIPTIONS
PIN
NO.
SYMBOL
PIN VOLT
TYP (V)
DESCRIPTION
1
OSC
base
(bypass)
2.9
2
OSC
base
(feedback)
2.9
3
OSC
collector
(coupling)
5.0
Pin 3 is an open collector. This pin should
be coupled through resistor or choke coil
in order to adjust Q and connect the
supply voltage.
4
VCC
5.0
Supply voltage pin for the IC.
5
IF Output
2.9
EQUIVALENT CIRCUIT
Internal oscillator consists of a
balance amplifier. Pin 2 and pin 3
should be externally equipped with a
tank resonator circuit in order to
oscillate with feedback loop.
3
2
1
Vcc
Pin 1 should be grounded through
coupling capacitor ~0.5 pF.
The amplifier is designed as single-ended
push-pull amplifier. This pin is an emitter
follower output with a wideband 50 Ω
impedance.
40 Ω
5
6
GND
0.0
GND pin for the IC.
7
RF input2
(bypass)
2.4
Pin 7 and pin 8 are inputs to a doublebalanced mixer. Either pin can be
assigned for input or ground.
8
RF input1
2.4
7
8
UPC2721GV
TEST CIRCUITS
100 pF
1
8
2
7
RF IN
0.5 pF
LO IN
2 pF
10 Ω
100 pF
20 pF
6
3
100 Ω
1000 pF
4
IF OUT
5
20 pF
100 pF
1.8 µH
5.0 V
APPLICATION CIRCUIT
VTUNE
1000 pF
51k
100 pF
ALPHA
SMV1204-04
3.3nH
1
8
2
7
RF IN
1pF
2 pF
1pF
1pF
3
20 pF
6
47
1000 pF
4
IF OUT
5
1.8 µH
18nH
10pF
20pF
5.0 V
UPC2721GV
OUTLINE DIMENSIONS (Units in mm)
UPC2721GV
PACKAGE OUTLINE S08
7
8
N
1
6
5
2721
XXX
Detail of Lead End
+7˚
4
2
3
3.0 MAX
3 -3˚
4.94 ± 0.2
+0.10
0.15 -0.05
1.5±0.1
0.87±0.2
3.2±0.1
1.8 MAX
0.1 ± 0.1
0.65
+0.10
0.3 -0.05
0.5 ± 0.2
0.575 MAX
LEAD CONNECTIONS
1.
2.
3.
4.
5.
6.
7.
8.
OSC-Base (Bypass)
OSC-Base (Feed back)
OSC-Collector (Coupling)
VCC
IF OUT
GND
RFIN2
RFIN1
Notes: Package will be marked as 2721 as shown.
All dimensions are typical unless otherwise specified.
Lead Material: Alloy 42
Lead Plating: Lead tin alloy
ORDERING INFORMATION
PART NUMBER
QTY
UPC2721GV-E1
1000/Reel
Life Support Applications
These NEC products are not intended for use in life support devices, appliances, or systems where the malfunction of these products can reasonably
be expected to result in personal injury. The customers of CEL using or selling these products for use in such applications do so at their own risk and
agree to fully indemnify CEL for all damages resulting from such improper use or sale.
EXCLUSIVE NORTH AMERICAN AGENT FOR NEC RF, MICROWAVE & OPTOELECTRONIC SEMICONDUCTORS
CALIFORNIA EASTERN LABORATORIES • Headquarters • 4590 Patrick Henry Drive • Santa Clara, CA 95054-1817 • (408) 988-3500 • Telex 34-6393 • FAX (408) 988-0279
Internet: http://WWW.CEL.COM
DATA SUBJECT TO CHANGE WITHOUT NOTICE
01/16/2001