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Motorola Electronic Components Datasheet

MRFIC1884 Datasheet

Dual Band CDMA Upconverter

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Dual-Band CDMA Upconverter
The MRFIC1884 is an integrated upmixer, RF AGC amplifier and driver
amplifier designed for dual–band, tri–mode CDMA/AMPS/PCS CDMA
cellular radios. The device incorporates a temperature compensated linear
gain control and an active bias control that reduces supply current at lower
output power. The design utilizes Motorola’s RF BiCMOS process and is
packaged in a small cost effective BCC32++ package.
Designed for Dual–Band, Tri–Mode Operation
Total Supply Current CDMA/PCS CDMA Mode = 60 mA (Typ)
Total Supply Current AMPS Mode = 42 mA (Typ)
High Output Power
6.0 dBm for CDMA
6.0 dBm for PCS CDMA
11 dBm for AMPS
Supply Voltage Range: 2.7 to 3.2 V
MRFIC1884
DUAL–BAND
CDMA UPCONVERTER
SEMICONDUCTOR
TECHNICAL DATA
(Scale 2:1)
PLASTIC PACKAGE
CASE 1261A
(BCC32++)
ORDERING INFORMATION
Device
Operating
Temp Range
Package
MRFIC1884R2 TA = –40 to 85°C BCC32++
Simplified Block Diagram and Pin Connections
Exc In
VCC8 Gnd Cell
32 31 30
Band 1
Mode 2
Exciter
Exc Out
Cell/VCC1
3
Gnd 4
RF AGC
Mx Out Mx Out
Gnd Cell– Cell+ VCC7
29 28 27 26
Cell
Mixer
Gnd
25
24 LO Cell
23 VCC6
22 IF In+
21 IF In–
VCC2 5
Gnd 6
Exciter
Exc Out
PCS/VCC3
7
Gnd 8
Bandgap
Temp Comp
& Buffering
RF AGC
PCS
Mixer
9 10 11 12 13 14 15
Tx VCC4 Gnd Exc In Gnd Mx Out Mx Out
Enable
PCS PCS– PCS+
20 Vgc
19 Gnd
18 LO PCS
17 Gnd
16
VCC5
Bump Chip Carrier++ (BCC++) is a trademark of Fujitsu Microelectronics, Inc.
This document contains information on a product under development. Motorola reserves the
rigMhtOtoTcOhaRnOgeLoAr dWiscIoRntEinLueEtShiSs pSroEduMctIwCitOhoNuDt nUotCiceT.OR
SOLUTIONS – RF AND IF DEVICE DATA
© Motorola, Inc. 2000
Rev 0
1


Motorola Electronic Components Datasheet

MRFIC1884 Datasheet

Dual Band CDMA Upconverter

No Preview Available !

MRFIC1884 pdf
MRFIC1884
PIN FUNCTION DESCRIPTION
Pin Function
Description
Voltage On (V)
Voltage Off (V)
1
Band
Band Selection pin. A logic ”High” (>2.4 V) selects PCS
2.4 to 3.2
0 to 0.4
band and ”Low” (<0.4 V) selects Cellular band.
2
Mode
Mode selection pin. A logic ”High” (>2.4 V) selects CDMA
2.4 to 3.2
0 to 0.4
band and ”Low” (<0.4 V) selects AMPS band.
3
Exciter Out
Cellular band RF Exciter output pin.
(Cellular)/
VCC1
4 Gnd Ground connection.
2.7 to 3.2
5
VCC2
Supply Voltage.
6 Gnd Ground connection.
2.7 to 3.2
7 Exciter Out (PCS)/ PCS band RF Exciter output pin.
VCC3
8 Gnd Ground connection.
2.7 to 3.2
9
Tx Enable
Tx Enable pin. A logic ”High” (>2.4 V) enables Tx path and
2.4 to 3.2
”Low” (<0.4 V) diables Tx path except LO Buffer and
bandgap reference (will disable the entire chip complete
with Band selection pin and Mode selection pin, refer to
Table ?).
0 to 0.4
10
VCC4
Supply Voltage.
11 Gnd Ground connection.
2.7 to 3.2
12
Exciter In (PCS)
PCS band RF Exciter input pin.
13 Gnd Ground connection.
14 Mixer Out– (PCS) PCS band Mixer RF output pin.
2.7 to 3.2
15 Mixer Out+ (PCS) PCS band Mixer RF output pin.
2.7 to 3.2
16
VCC5
Supply Voltage.
17 Gnd Ground connection.
2.7 to 3.2
18
LO (PCS)
PCS band Mixer LO input pin.
–12 dBm (Typ)
19 Gnd Ground connection.
20
Vgc RF AGC control pin. A 30 dB dynamic range can be
0.1 to 1.7
achieved by adjusting voltage from 0.1 V (low gain) to 1.7
V (high gain).
21
IF In–
Mixer IF input pin.
–23 dBm (Typ)
22
IF In+
Mixer IF input pin.
–23 dBm (Typ)
23
VCC6
Supply Voltage.
24
LO (Cellular)
Cellular band Mixer LO input pin.
2.7 to 3.2
–13 dBm (Typ)
25 Gnd Ground connection.
26
VCC7
Supply Voltage.
27 Mixer Out+ (Cellular) Cellular band Mixer RF output pin.
2.7 to 3.2
2.7 to 3.2
28 Mixer Out– (Cellular) Cellular band Mixer RF output pin.
2.7 to 3.2
29 Gnd Ground connection.
30 Exciter In (Cellular) Cellular band RF Exciter input pin.
31 Gnd Ground connection.
32
VCC8
Supply Voltage.
2.7 to 3.2
2 MOTOROLA WIRELESS SEMICONDUCTOR
SOLUTIONS – RF AND IF DEVICE DATA


Part Number MRFIC1884
Description Dual Band CDMA Upconverter
Maker Motorola
Total Page 4 Pages
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