Product Specification
PE4122
Product Description
The PE4122 is a high linearity, passive Quad MOSFET Mixer
for PCS & 3G Base Station Receivers, exhibiting high dynamic
range performance over a broad LO drive range up to +20
dBm. This mixer integrates passive matching networks to
provide single-ended interfaces for the RF and LO ports,
eliminating the need for external RF baluns or matching
networks. The PE4122 is optimized for frequency
down-conversion using low-side LO injection for PCS & 3G
Base Station applications, and is also suitable for use in
up-conversion applications.
The PE4122 is manufactured on Peregrine’s UltraCMOS™
process, a patented variation of silicon-on-insulator (SOI)
technology on a sapphire substrate, offering the performance
of GaAs with the economy and integration of conventional
CMOS.
Figure 1. Functional Diagram
UltraCMOS™ High Linearity Quad
MOSFET Mixer For PCS & 3G BTS
Features
•
Integrated, single-ended RF & LO
interfaces
•
High linearity: IIP3 >+ 30 dBm,
1.8 - 2.0 GHz (+17 dBm LO)
•
Low-conversion loss: 7.4 dB
(+17 dBm LO)
•
High isolation: typical LO-IF at 38 dB,
LO-RF at 34 dB
•
Designed for low-side LO injection
Figure 2. Package Type
8-lead TSSOP
LO
RF
PE4122
IF
Table 1. AC and DC Electrical Specifications @ +25 °C
(Z
S
= Z
L
= 50
Ω)
Parameter
Frequency Range:
LO
RF
IF
1
Conversion Loss
2
Isolation:
LO-RF
LO-IF
Input IP3
1.8 GHz
1.9 GHz
2.0 GHZ
Input 1 dB Compression
Notes:
28
34
28
31
28
Minimum
1540
1800
--
Typical
--
--
260
7.4
34
38
30
33
30
20
Maximum
1740
2000
--
7.8
Units
MHz
MHz
MHz
dB
dB
dB
dBm
dBm
dBm
dBm
1. An IF frequency of 260 MHz is a nominal frequency. The IF frequency can be specified by the user as long as the RF and LO frequencies
are within the specified maximum and minimum.
2. Conversion Loss includes loss of IF transformer (M/A COM ETK4-2T, nominal loss 0.7dB at 260 MHz).
*Test conditions unless otherwise noted: LO = 260 MHz, LO input drive = 17 dBm, RF input drive = 0 dBm.
Document No. 70-0041-04
│
www.psemi.com
©2006 Peregrine Semiconductor Corp. All rights reserved.
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