WIRELESS COMMUNICATIONS DIVISION
TQS Wireless Communications
(503) 615-9000
2300 NE Brookwood Parkway
FAX:(503) 615-8900
Hillsboro, OR 97124
1
Rev. A
12/7/98
Block Diagram
IF
RF
BY
LO
GND
RF INPUT
IF OUTPUT/
BIAS
LO TANK/BIAS
LO INPUT
GND
LO BYPASS
Product Description
The TQ5M44 is a RFIC downconverter designed for FLEX
TM
and
ReFLEX
TM
paging and mobile applications. The TQ5M44 is intended for
use in the Motorola Flex chipset. The integrated circuit operates at low
voltage (1V).
Absolute Maximum Ratings
Parameter
Min
Max
Units
DC Power Supply
0.90
V
Power Dissipation
100
mW
Operating Temperature
-40
+85
C
Storage Temperature
-55
+85
C
Signal Level on
Inputs/Outputs
+20
dBm
Voltage to any Non-Supply
Pin
-0.3
VDD+0.3
V
Motorola, FLEX, and ReFLEX are trademarks of Motorola, Inc
.
TQ5M44
RF
Mixer IC
Features
·
Single 1V operation
·
Low Current Operation
·
Few external components
·
High IP3
·
Broadband Performance
·
Small SOT 23-6
Plastic Package
Applications
·
FLEX
TM
wireless
applications
·
ReFLEX
TM
wireless
applications
TQ5M44
TQS Wireless Communications
(503) 615-9000
2300 NE Brookwood Parkway
FAX:(503) 615-8900
Hillsboro, OR 97124
2
Rev. A
VHF Band
Electrical Specifications: Devices screened to the following test conditions
Test Conditions: VDD = 1.0 V, T
A
=25
°
C RF=132-174MHz, LO=114.1 156.1MHz, IF=17.9MHz,
LO = -20dBm Input
Parameter
Min
Typ
Max
Units
Conversion Gain
7
dB
LO Buffer Current
250
µ
A
IF Buffer Current
500
µ
A
Total Supply Current
750
1000
µ
A
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