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PART NUMBER
UPC2721GR
UPC2722GR
PACKAGE OUTLINE
G08
G08
SYMBOLS
PARAMETERS AND CONDITIONS
UNITS
MIN
TYP
MAX
MIN
TYP
MAX
I
CC
Circuit Current
mA
29
38
45.5
19
28
37
f
RF
RF Frequency Range
GHz
0.9
2.0
0.9
2.0
f
IF
IF Frequency Range
MHz
50
600
DC
600
CG
Conversion Gain
2
f
RF
= 900 to 2000MHz,
dB
dB
dB
18
21
22
19.5
24
15
18
19
17
21
f
IF
= 50 to 400 MHz
f
IF
= 400 to 400 MHz
P
SAT
Saturated Output Power
2
f
RF
= 800 to 2000 MHz, f
IF
= 400 MHz
dBm
dBm
2
7
7
2
6
6
NF
Noise Figure
f
RF
= 900 MHz, f
IF
= 400 MHz,
f
RF
= 2.0 GHz, f
IF
= 400 MHz
dB
dB
9
11
13
15
9
11
13
15
IP
3
SSB Third Order Intercept Point,
f
1
= 900 MHz, f
2
= 938 MHz
f
1
= 2.0 GHz, f
2
= 2.038 GHz
dBm
dBm
+10
+8.5
+9
+8
FEATURES
WIDE BAND OPERATION UP TO 2.5 GHz
INTERNAL BALANCED AMPLIFIER FOR VCO
SINGLE ENDED PUSH-PULL IF AMPLIFIER
5 V SINGLE SUPPLY VOLTAGE:
I
CC
= 30 to 35 mA
LOW CURRENT DISSIPATION
TAPE AND REEL PACKAGING OPTION AVAILABLE
UPC2721GR
UPC2722GR
SILICON MMIC
L BAND DOWNCONVERTER
The UPC2721 and UPC2722 are L-Band frequency convert-
ers manufactured using the NESAT III MMIC process. These
products consist of a double balanced mixer, local oscillator, IF
preamplifier, and constant voltage generator. These devices
are designed for low cost cellular radios, GPS receivers, PCS,
and UHF TV tuner applications.
The UPC2721 output amplifier is a single-end push-pull ampli-
fier designed for operation into a 50
load. The UPC2722
output amplifier is the collector of one side of a balanced
amplifier pair and operates best into a high impedance load.
The absence of capacitive coupling in the UPC2722 permits
better performance at IF frequencies below 25 MHz.
NEC's stringent quality assurance and test procedures ensure
the highest reliability and performance.
DESCRIPTION
ELECTRICAL CHARACTERISTICS
(T
A
= 25
°
C, V
CC
= 5 V, P
LO
= -10 dBm)
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 P
SAT
are measured at f
RF
= 900 MHz and 2.0 GHz and at f
IF
= 402.8 MHz.
California Eastern Laboratories
INTERNAL BLOCK DIAGRAM
OSC
MIX
OSC
BUFFER
IF
AMP
1
2
OSC base
(bypass)
OSC base
(feedback)
OSC collector
(coupling)
V
CC
RF
IN1
RF
IN2
(bypass)
GND
IF
OUT
3
4
5
6
7
8
REG.