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參數(shù)資料
| 型號(hào)： | HFA3624IA |
| 廠商： | HARRIS SEMICONDUCTOR |
| 元件分類： | 衰減器 |
| 英文描述： | 2.4GHz Up/Down Converter |
| 中文描述： | 2400 MHz - 2500 MHz RF/MICROWAVE UP/DOWN CONVERTER |
| 文件頁數(shù)： | 5/19頁 |
| 文件大?。?/td> | 186K |
| 代理商： | HFA3624IA |
2-31
TRANSMIT MIXER/POWER PRE-AMP CASCADED CHARACTERISTICS
(TXM_IF+ = 280MHz/-13dBm, -3dB Loss RF Image Filter with no LO
suppression between Mixer and Transmit Amp, RL = 50
, RS
IF
=
250
(Note 6))
Cascaded Power Gain
CTX_PG
25
8
11.4
-
dB
85
5.5
-
-
dB
Cascaded Output P1dB
CTX_P1D
25
-
-2.0
-
dBm
Cascaded Output NF
CTX_NF
25
-
15
-
dB
Cascaded Output 3rd Order Intercept
CTX_IP3
25
-
7.1
-
dBm
Cascaded LO Leakage
CTX_LEAK
25
-
-8.7
-
dBm
POWER SUPPLY AND LOGIC CHARACTERISTICS
Voltage Supply Range
V
CC
25
2.7
-
5.5
V
Transmit Mode Supply Current (V
CC
= 2.7V)
TX_2.7I
CC
25
32
49
57
mA
85
43
-
64
mA
Receive Mode Supply Current (V
CC
= 2.7V)
RX_I
CC
25
10
18
20.5
mA
85
19
22.5
24
mA
Power Down Current (V
CC
= 5.5V)
I
CC
_PD
Full
-
0.3
10
μ
A
Logic Input Low Level
V
IL
Full
-0.2
-
0.8
V
Logic Input High Level
V
IH
Full
2.0
-
V
CC
V
Logic Low Input Bias Current (V
PE
= 0V, V
CC
= 5.5V)
I
B
_LO
Full
-
-
1
μ
A
Logic High Input Bias Current (V
PE
= 5.5V, V
CC
= 5.5V)
I
B
_HI
Full
-
-
150
μ
A
TX/RX Power Enable Time (Note 7)
PEt
Full
-
0.25
1
μ
s
TX/RX Power Disable Time (Note 7)
PDt
Full
-
0.25
1
μ
s
NOTES:
2. See Figure 5 Test Circuit for 50
IF matching network component values.
3. SSB(SingleSideBand)NoiseFiguremeasurementrequirestheuseofanIFReject/HighpassFilterbetweentheNoiseSourceandtheRXM_RF
port. This filter prevents IF input noise from interfering with the Mixer IF output Noise Figure Measurement.
4. Transmit mixer measured with Impedance Transform Network 250
at device to 50
at the source. Refer to Figure 5, pin 19.
5. Implied limit, production measurement uses 50
termination at pin 19 (RS
IF
= 50
). Typical transmit conversion gain increase of 5.5dB with
application circuit Figure 5 (RS
IF
= 250
).
6. See Figure 2 for Typical Application Circuit.
7. Enable/Disable Time Specifications are tested with the external component values shown in the Figure 5 Test Circuit, with an IF frequency of
280MHz. Specifically the AC coupling capacitors on the TXM_IF+ and TXM_IF- pins are biased up to operating voltage from a fixed internal
current source at power up. Increasing these AC coupling capacitors above 1000pF will slow Enable Time proportionately.
POWER CONTROL TRUTH TABLE
STATE
RX_PE
TX_PE
Power Down
(Receive/Transmit Channels Power Down)
Low
Low
Transmit Mode
(Receive Channel Power Down)
Low
High
Receive Mode
(Transmit Channel Power Down)
High
Low
Not Recommended
High
High
Electrical Specifications
V
CC
= +2.7V, LO = 2170MHz, IF = 280MHz, RF = 2450MHz, Z
O
= 50
,
Unless Otherwise Specified
(Continued)
PARAMETER
SYMBOL
TEMP (
o
C)
MIN
TYP
MAX
UNITS
HFA3624
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