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PDF HFA3664IA Data sheet ( Hoja de datos )
| Número de pieza | HFA3664IA | |
| Descripción | 2.7GHz UpConverter with Gain Control | |
| Fabricantes | Intersil Corporation | |
| Logotipo |  |
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TM
Data Sheet
HFA3664
April 1999 File Number 4242.3
2.7GHz UpConverter with Gain Control
The HFA3664 UpConverter with Gain
Control is a monolithic bipolar PRISM®
device for up conversion applications in
the 2.3GHz to 2.7GHz range.
Manufactured in the Intersil UHF1X
process, the device consists of a double balanced mixer
followed by a variable gain power preamp. An energy saving,
TTL Compatible, power enable input provides on/off bias
current control to the mixer and amplifier. The device
requires low drive levels from the local oscillator and is
housed in a small outline 20 lead SSOP package ideally
suited for PCMCIA card applications.
Ordering Information
TEMP.
PART NUMBER RANGE (oC)
PACKAGE
HFA3664IA
HFA3664IA96
-40 to 85
-40 to 85
20 Ld SSOP
Tape and Reel
PKG.
NO.
M20.15
Pinout
HFA3664
(SSOP)
TOP VIEW
PRE_VCC3 1
GND 2
PRE_OUT 3
GND 4
PRE_VCC2 5
GND 6
BIAS_VCC 7
GND 8
PRE_IN 9
PRE_VCC1 10
20 TX_PE
19 LO_BY
18 LO_IN
17 GND
16 IF_IN
15 IF_BY
14 GND
13 TXM_RF
12 MIX_VCC
11 AGC_CTRL
Features
• RF Frequency Range . . . . . . . . . . . . . . 2.3GHz to 2.7GHz
• IF Operation . . . . . . . . . . . . . . . . . . . . . 10MHz to 400MHz
• Gain Control Range . . . . . . . . . . . . . . . . . . . . . . . . . .20dB
• Single Supply Operation. . . . . . . . . . . . . . . . . 2.7V to 5.5V
• High Output 1dB Compression. . . . . . . . . . . . . . . . . 6dBm
• High Power Gain . . . . . . . . . . . . . . . . . . . . . . . . . . . .18dB
• Power Enable/Disable Control
Applications
• Wireless Local Loop Systems
• PCMCIA Wireless Transceiver
• Wireless Local Area Network Modems
• CDMA/TDMA Packet Protocol Radios
• Full Duplex Transceivers
• Portable Battery Powered Equipment
Block Diagram
BIAS_VCC
PRE_OUT
PRE_VCC3
PRE_VCC2
PRE_VCC1
PRE_IN
BIAS
TX_PE
LO_BY
LO_IN
IF_IN
IF_BY
TXM_RF
AGC CONTROL
AGC_CTRL
POWER CONTROL TRUTH TABLE
STATE
Power Down - Energy Saving Mode
Transmit Mode
TX_PE
Low
High
4-1
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
1-888-INTERSIL or 321-724-7143 | Intersil and Design is a trademark of Intersil Corporation. | Copyright © Intersil Corporation 2000
PRISM® is a registered trademark of Intersil Corporation. PRISM logo is a trademark of Intersil Corporation.
1 page  
Typical Application Circuit
HFA3664
VCC = 5.0V
7pF
C1
2.2µF
C2
3300pF
RF OUTPUT
50Ω
C3
330pF
C4
7pF
7pF
C5
22pF
C7
7pF
C8
330pF
PRE_VCC3
1
GND
2
PRE_OUT
3
GND
4
PRE_VCC2
5
GND
BIAS_VCC
4.7nH
GND
6
7
8
PRE_IN
9
PRE_VCC1
10
7pF
AGC CONTROL
NOTE 5
50Ω BPF
LO REJECT
FILTER
TRANSMIT
ENABLE
TX_PE
20
LO_BY C9
19
LO_IN 7pF
18
17 GND
NOTE
4
IF_IN
16
1.69K
IF_BY C12
15
3300pF
GND
14
TXM_RF
13
MIX_VCC
12
AGC_CTRL
11
330pF
330pF
7pF
C10
C11
3300pF
C13
7pF
C14
7pF
LO INPUT
50Ω
IF INPUT
50Ω
C15
3300pF
AGC
CONTROL
NOTE 5
NOTES:
4. Required external resistor for Mixer biasing. Value optimized for 2.7mA bias current with R = (VCC - 0.93) /2.7mA. Most Mixer cell characteristics
like Gain, NF etc., can be affected when biasing is outside the optimum value.
5. The combination of these attenuator pads and the Band Pass Filter insertion loss shall bring the overall Cascaded Gain at the desired frequency
of operation from 21dB to 22dB for best performance. The selection of these values is optional. The total gain, LO feedthru, Mixer and Pre-
amplifier interaction (stability) and output compression point performances can be manipulated according to the user needs.
4-5
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| Páginas | Total 5 Páginas | |
| PDF Descargar | [ Datasheet HFA3664IA.PDF ] | |
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