MOTOROLA
SEMICONDUCTOR TECHNICAL DATA
Order this document
by MRFIC1806/D
The MRFIC Line
1.8 GHz PA Driver/Ramp
Designed primarily for use in DECT, Japan Personal Handy System (PHS),
and other wireless Personal Communication Systems (PCS) applications. The
MRFIC1806 includes a two stage driver amplifier and transmit waveform
shaping circuitry in a low鈥揷ost SOIC鈥?6 package. The amplifier portion
employs depletion mode power GaAs MESFETs to produce +21 dBm output
with 0 dBm input. The ramping circuit controls the burst鈥搈ode transmit rise and
fall time and is adjustable through external components. This circuitry also
places the amplifier in standby during TDMA receive mode. The MRFIC1806 is
sized to drive the MRFIC1807 PA/Switch.
Together with the rest of the MRFIC1800 GaAs ICs, this family offers the
complete transmit and receive functions, less LO and filters, needed for a
typical 1.8 GHz cordless telephone.
鈥?/div>
Usable 1500 鈥?2500 MHz
鈥?/div>
23 dB Typical Gain
鈥?/div>
+21 dBm Typical 1.0 dB Compression
鈥?/div>
Simple Off鈥揅hip Matching for Maximum Flexibility
鈥?/div>
3.0 to 5.0 Volt Supply
鈥?/div>
Low Cost Surface Mount Plastic Package
鈥?/div>
Order MRFIC1806R2 for Tape and Reel.
R2 Suffix = 2,500 Units per 16 mm, 13 inch Reel.
鈥?/div>
Device Marking = M1806
CASE 751B鈥?5
(SO鈥?6)
MRFIC1806
1.8 GHz DRIVER AMPLIFIER
AND RAMP CIRCUIT
GaAs MONOLITHIC
INTEGRATED CIRCUIT
C1/VRAMP
TX RAMP
REG VDD
GND
GND
RF IN
VDD
PCNTRL
1
20K
2
3
4
5
6
7
8
GATE
BIAS
LOGIC
XLATOR
VSS
VDD
RAMP
16 VDR
15 GND
14 VD1
13 GND
12 GND
11 RF OUT
10 GND
9
VSS
Figure 1. Pin Connections and Functional Block Diagram
REV 2
MOTOROLA
漏
Motorola, Inc. 1997
MRFIC1806
1
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