SILICON MMIC UPCONVERTER
WITH AGC + IQ MODULATOR
UPC8125GR
INTERNAL BLOCK DIAGRAM
FEATURES
• WIDE SUPPLY VOLTAGE RANGE: 2.7 to 5.5 V
• OUTPUT FREQUENCY RANGE: 1.8 to 2.0 GHz
Vcc (MOD)
Reg.
Reg.
1
2
3
4
5
6
7
8
9
20
19
Vcc (Up-con)
RFout
Filter 1
Filter 2
I
•
INTERNAL LPF TO REJECT LO & SPURIOUS
LEAKAGE
18 GND
•
•
•
•
•
PORTS FOR EXTERNAL IF FILTER
AGC FUNCTION: 40 dB RANGE
POWER SAVE FUNCTION
GND
17
–
I
16
Vps
Q
15 VAGC
–
SMALL 20 PIN SSOP PACKAGE
TAPE AND REEL PACKAGING AVAILABLE
GND
Q
14
13
12
11
Lo2 in
Lo2 in
GND
Lo1 in
Lo1 in
x 2
LPF LPF
90 deg. Phase
Shifter (÷ 2)
GND 10
DESCRIPTION
was specifically designed for digital mobile communication
applications such as 1900 MHz PCS and PHS handsets.
The UPC8125GR is a Silicon MMIC manufactured with the
NESATTM IIIsilicon bipolar process. The IC consists of a 1.8 -
2.0GHzupconverterwithAGCfunctionanda220-270MHzIQ
modulator. The device operates over a wide 2.7 - 5.5 V supply
voltage range and features a power save function. The device
NEC's stringent quality assurance and test procedures ensure
the highest reliability and performance.
ELECTRICAL CHARACTERISTICS (TA = 25°C, VCC = VPS = 3.0 V, unless otherwise specified)
PART NUMBER
UPC8125GR
PACKAGE OUTLINE
S20 (SSOP 20)
SYMBOLS
PARAMETERS AND CONDITIONS
Total Circuit Current (no input signal)
UNITS
MIN
TYP
MAX
ICC
mA
30
36
48
ICC(PS)
PRFout 1
PRFout 2
LOL
Total Circuit Current at Sleep Mode
Total Output Power 1
VPS ≤ 0.5 V (Low)
VAGC = 3.0 V
VAGC = 0.5 V
fLO1 + fLO2
µA
dBm
dBm
dBc
dBc
dBc
dB
0.3
-9
10
-5
-13
Total Output Power 2
-50
-37
-35
-50
40
Lo Carrier Leak1
-30
-30
-30
ImR
Image Rejection (Side Band leak)1
I/Q 3rd Order Intermodulation Distortion1
AGC Amp. Gain control range
Power Save Rise Time
IM3 I/Q
GCR
VAGC = 2.5 V to 0 V
VPS (OFF) → VPS (ON)
VPS (ON) → VPS (OFF)
fI/Q = 24 kHZ, I → I, Q → Q
I → I, Q → Q
28
TPS(RISE)
TPS (FALL)
ZI/Q
µS
2
5
Power Save Fall Time
µS
5
10
Input Impedance I and Q Ports
I/Q Bias Current
kΩ
200
5
II/Q
µA
ZLO1
Lo1 Input VSWR
fLO1= 220 MHz to 270 MHz
MOD Pattern : PN9
1.2:1
2.5
-68
EVM
Error Vector Magnitude
Adjacent Channel Power
%rms
dBc
4.5
-60
Padj
∆f = 600 KHZ
MOD Pattern : PN9
Notes:
1. VI/Q = 1.5 V (DC) +0.5 Vp-p (AC)
California Eastern Laboratories