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MOTOROLA
SEMICONDUCTOR TECHNICAL DATA
Order this document by MRFIC1801/D
The MRFIC Line
1.8 GHz Antenna Switch
Designed primarily for use in DECT, Japan Personal Handy System (PHS), other wireless Personal Communication Systems (PCS) applications, and 2.4 GHz ISM band applications. The MRFIC1801 is a single pole, double throw reflective antenna switch featuring low insertion loss and high power handling capability in a low-cost SOIC-8 package. The integrated circuit requires no off-chip matching and provides for easy control circuit interface. The high power handling capability allows application in higher power wireless systems than traditional GaAs antenna switches. Together with the rest of the MRFIC180X series, this GaAs IC family offers the complete transmit and receive functions, less LO and filters, needed for a typical 1.8 GHz cordless telephone. * Usable Frequency Range 1.5 to 2.5 GHz * High 1.0 dB Compression Point = 29 dBm (Typ) * Low Transmit Insertion Loss = 0.75 dB (Typ) * High Transmit to Receive Isolation = 22 dB (Typ) * Single Control Pin for Easy Switching Signal Interface * Low Current Drain = 300 A (Typ) in TX, 45 A (Typ) in RX * Low Cost Surface Mount Plastic Package * Order MRFIC1801R2 for Tape and Reel. R2 Suffix = 2,500 Units per 12 mm, 13 inch Reel. * Device Marking = M1801
VDD
MRFIC1801
1.8 GHz TRANSMIT/RECEIVE ANTENNA SWITCH GaAs MONOLITHIC INTEGRATED CIRCUIT
CASE 751-05 (SO-8)
ANTENNA
100 pF 39 pF 4 3 2 1 PIN 1
5
6
7
8
39 pF
39 pF
RX
VC
VSS
100 pF
TX
Functional Block Diagram and Pin Assignment
REV 2
(c)MOTOROLA RF DEVICE DATA Motorola, Inc. 1997
MRFIC1801 1
MAXIMUM RATINGS (TA= 25C unless otherwise noted) Ratings
Supply Voltage Supply Voltage Difference RF Input Power Switch Control Voltage Storage Temperature Range Operating Ambient Temperature
Symbol
VDD VDD - VSS Pin VC Tstg TA
Value
10 8 33 VDD +1, VSS -1 - 65 to +150 - 30 to + 85
Unit
Vdc Vdc dBm Vdc C C
RECOMMENDED OPERATING CONDITIONS Parameter
Supply Voltage Supply Voltage Difference Switch Control Voltage Operating Frequency
Symbol
VDD VDD - VSS VC f
Value
2.7 to 5.5 5.5 VDD to VSS 1.5 to 2.5
Unit
Vdc Vdc Vdc GHz
ELECTRICAL CHARACTERISTICS (VDD - VSS = 5.5 V, TA = 25C, f = 1.9 GHz) Characteristic
Antenna to Receive Insertion Loss (RX Mode, PIN = 0 dBm) Transmit to Antenna Insertion Loss (TX Mode, PIN = +27 dBm) Transmit to Receive Isolation in TX Mode (PIN = +27 dBm) Antenna to Transmit Isolation in RX Mode (PIN = 0 dBm) Input Return Loss, all ports Transmit to Antenna Input 1.0 dB Compression Leakage Current (RX Mode) Total Supply Current (TX Mode) Min -- -- -- -- -- -- -- -- Typ 0.8 0.6 22 18 15 29 45 300 Max 1 1 -- -- -- -- -- -- Unit dB dB dB dB dB dBm A A
EVALUATION BOARDS Evaluation boards are available for RF Monolithic Integrated Circuits by adding a "TF" suffix to the device type. For a complete list of currently available boards and ones in development for newly introduced product, please contact your local Motorola Distributor or Sales Office.
APPLICATIONS INFORMATION
The MRFIC1801 is a SPDT switch. A series-shunt pair of FETs are used in each path for improved isolation. The power handling capability of the MRFIC1801 is determined by the difference between VDD and VSS. Typical operating conditions are VDD = 3.0 V and VSS = -2.5 V, but a negative VSS is not required. VSS can be grounded.
Mode
RX TX
VC VSS VDD
Table 1. Logic Table
MRFIC1801 2
MOTOROLA RF DEVICE DATA
TYPICAL CHARACTERISTICS (VDD - VSS = 5.5 V)
1.8 1.6 IL, INSERTION LOSS (dB) 1.4 1.2 1.0 0.8 0.6 0.4 0.2 0 1.5 1.6 1.7 1.8 1.9 2.0 2.1 2.2 2.3 2.4 2.5 T = - 35C 25C VC = VSS PIN = 0dBm 85C 55C 1.6 1.4 IL, INSERTION LOSS (dB) 1.2 85C 1.0 0.8 0.6 0.4 0.2 0 1.5 1.6 1.7 1.8 1.9 25C 2.0 2.1 2.2 2.3 2.4 2.5 T = - 35C VC = VDD PIN = 0dBm 55C
f, FREQUENCY (GHz)
f, FREQUENCY (GHz)
Figure 1. Antenna to Receive Insertion Loss
Figure 2. Transmit to Antenna Insertion Loss (Small Signal)
21 20.5 20 ISOLATION (dB) 19.5 19 18.5 18 17.5 17 1.5 1.6 T = - 35C VC = VSS PIN = 0dBm 1.9 2.0 2.1 2.2 2.3 2.4 2.5 25C 85C
26 25 24 ISOLATION (dB) - 35C 23 22 21 20 19 1.5 1.6 1.7 1.8 1.9 2.0 2.1 2.2 VC = VDD PIN = 0dBm 85C 25C
1.7
1.8
2.3
2.4
2.5
f, FREQUENCY (GHz)
f, FREQUENCY (GHz)
Figure 3. Antenna to Transmit Isolation in RX Mode
Figure 4. Transmit to Receive Isolation in TX Mode
1.8 1.6
30 25 Receive Port in RX Mode Transmit Port in TX Mode
IL, INSERTION LOSS (dB)
1.4 RL, RETURN LOSS (dB) 1.2 1.0 0.8 0.6 0.4 0.2 0 28 28.5 29 29.5 30 30.5 31 0 1.5 1.6 1.7 1.8 1.9 2.0 2.1 2.2 VC = VDD f = 1.9GHz 20 15 10 5 Antenna Port in RX Mode
2.3
2.4
2.5
Pin, INPUT POWER (dBm)
f, FREQUENCY (GHz)
Figure 5. Antenna Switch Insertion Loss versus Input Power (Large Signal) MOTOROLA RF DEVICE DATA
Figure 6. Return Loss
MRFIC1801 3
PACKAGE DIMENSIONS
A
8
D
5
C
E
1 4
H
0.25
M
B
M
h B C e A
SEATING PLANE
X 45 _
NOTES: 1. DIMENSIONING AND TOLERANCING PER ASME Y14.5M, 1994. 2. DIMENSIONS ARE IN MILLIMETERS. 3. DIMENSION D AND E DO NOT INCLUDE MOLD PROTRUSION. 4. MAXIMUM MOLD PROTRUSION 0.15 PER SIDE. 5. DIMENSION B DOES NOT INCLUDE MOLD PROTRUSION. ALLOWABLE DAMBAR PROTRUSION SHALL BE 0.127 TOTAL IN EXCESS OF THE B DIMENSION AT MAXIMUM MATERIAL CONDITION. DIM A A1 B C D E e H h L MILLIMETERS MIN MAX 1.35 1.75 0.10 0.25 0.35 0.49 0.18 0.25 4.80 5.00 3.80 4.00 1.27 BSC 5.80 6.20 0.25 0.50 0.40 1.25 0_ 7_
q
L 0.10 A1 0.25 B
M
CB
S
A
S
q
CASE 751- 05 ISSUE S
Motorola reserves the right to make changes without further notice to any products herein. Motorola makes no warranty, representation or guarantee regarding the suitability of its products for any particular purpose, nor does Motorola assume any liability arising out of the application or use of any product or circuit, and specifically disclaims any and all liability, including without limitation consequential or incidental damages. "Typical" parameters which may be provided in Motorola data sheets and/or specifications can and do vary in different applications and actual performance may vary over time. All operating parameters, including "Typicals" must be validated for each customer application by customer's technical experts. Motorola does not convey any license under its patent rights nor the rights of others. Motorola products are not designed, intended, or authorized for use as components in systems intended for surgical implant into the body, or other applications intended to support or sustain life, or for any other application in which the failure of the Motorola product could create a situation where personal injury or death may occur. Should Buyer purchase or use Motorola products for any such unintended or unauthorized application, Buyer shall indemnify and hold Motorola and its officers, employees, subsidiaries, affiliates, and distributors harmless against all claims, costs, damages, and expenses, and reasonable attorney fees arising out of, directly or indirectly, any claim of personal injury or death associated with such unintended or unauthorized use, even if such claim alleges that Motorola was negligent regarding the design or manufacture of the part. Motorola and are registered trademarks of Motorola, Inc. Motorola, Inc. is an Equal Opportunity/Affirmative Action Employer. Mfax is a trademark of Motorola, Inc. How to reach us: USA / EUROPE / Locations Not Listed: Motorola Literature Distribution; P.O. Box 5405, Denver, Colorado 80217. 303-675-2140 or 1-800-441-2447 JAPAN: Nippon Motorola Ltd.: SPD, Strategic Planning Office, 4-32-1, Nishi-Gotanda, Shinagawa-ku, Tokyo 141, Japan. 81-3-5487-8488
MfaxTM: RMFAX0@email.sps.mot.com - TOUCHTONE 602-244-6609 ASIA/PACIFIC: Motorola Semiconductors H.K. Ltd.; 8B Tai Ping Industrial Park, - US & Canada ONLY 1-800-774-1848 51 Ting Kok Road, Tai Po, N.T., Hong Kong. 852-26629298 INTERNET: http://motorola.com/sps
MRFIC1801 4
MRFIC1801/D MOTOROLA RF DEVICE DATA

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