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參數資料
| 型號： | U2794B |
| 英文描述： | 1000 MHz Quadrature Demodulator |
| 中文描述： | 1000兆赫正交解調器 |
| 文件頁數： | 3/11頁 |
| 文件大小： | 258K |
| 代理商： | U2794B |
TELEFUNKEN Semiconductors
U2794B
Rev. A3: 23.08.1995
3 (11)
Electrical Characteristics
Test conditions (unless otherwise specified); V
S
= 5 V, T
amb
= 25
°
C, referred to test circuit
System impedance Z
O
= 50 , fiLO = 950 MHz, PiLO = –10 dBm
Parameters
Test Conditions / Pins
Pins 5 and 6
Pins 5 and 6
Symbol
V
S
I
S
Min.
4.75
Typ.
Max.
5.25
Unit
V
mA
Supply voltage range
Supply current
Power down mode, PD
“OFF”mode supply
current
30
V
PD
≤
0.5 V Pins 5 and 6
V
PD
= 1.0 V Pin 14
Note 1
Pin 14
IsPD
≤
1
20
Switch voltage
“Power ON”
“Power DOWN”
LO input, LO
in
Frequency range
Input level
Input impedance
Voltage standing wave
ratio
Duty cycle range
RF input, RF
in
Noise figure (DSB)
symmetrical output
VPON
VPOFF
4
V
V
1
Pin 17
fiLO
PiLO
ZiLO
VSWRLO
70
–12
1000
–5
MHz
dBm
Note 2
See figure 6
See figure 2
–10
50
1.2
2
LODCR
0.4
0.6
@ 950 MHz Note 3
@ 100 MHz Pins 7 and 8
NF
12
10
dB
Frequency range
–1 dB input
compression point
Pins 7 and 8
Pins 7 and 8
fiRF
>fiLO
High gain
Low gain
Note 4
ICPHG
ICPLG
IIP2HG
–8
+3.5
35
dBm
Second order IIP
Third order IIP
Pins 7 and 8
Pins 7 and 8
dBm
High gain
Low gain
IIP3HG
IIP3LG
LOL
+3
+13
dBm
LO leakage
Pins 7 and 8
Symmetric input
Asymmetric input
≤
–60
≤
–55
500
0.8pF
dBm
Input impedance
Pins 7 and 8
see figure 6
ZiRF
Note 1: During power down status a load circuitry with dc-isolation to GND is assumed otherwise a current of
I
(V
S
–0.8 V) /RI has to be added to the above power down current for each output I, IX, Q, QX.
Note 2: The required LO-Level is a function of the LO-frequency (see figure 3).
Note 3: Measured with input matching. For 950 MHz the optional transmission line T3 at the RF input may be used
for this purpose. Noise figure measurements without using the differential output signal result in a worse noise
figure.
Note 4: Using Pins 7 and 8 as a symmetric RF input, the second order IIP can be improved.
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| U2794B_08 | 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:1000-MHz Quadrature Demodulator |
| U2794B-AFS | 制造商:TEMIC 制造商全稱:TEMIC Semiconductors 功能描述:1000 MHz Quadrature Demodulator |
| U2794B-AFSG3 | 制造商:TEMIC 制造商全稱:TEMIC Semiconductors 功能描述:1000 MHz Quadrature Demodulator |
| U2794B-MFS | 功能描述:IC QUADRATR DEMOD 1000MHZ 20SSOP RoHS:否 類別:RF/IF 和 RFID >> RF 解調器 系列:- 產品培訓模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:2,500 系列:- 功能:解調器 LO 頻率:- RF 頻率:70MHz ~ 300MHz P1dB:-9dBm 增益:- 噪音數據:6.36dB 電流 - 電源:41.5mA 電源電壓:2.7 V 封裝/外殼:28-WFQFN 裸露焊盤 供應商設備封裝:28-TQFN-EP（5x5） 包裝:帶卷 (TR) |
| U2794B-MFSG3 | 功能描述:IC DEMODULATR QUAD 1K MHZ 20SOIC RoHS:是 類別:RF/IF 和 RFID >> RF 解調器 系列:- 產品培訓模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:2,500 系列:- 功能:解調器 LO 頻率:- RF 頻率:70MHz ~ 300MHz P1dB:-9dBm 增益:- 噪音數據:6.36dB 電流 - 電源:41.5mA 電源電壓:2.7 V 封裝/外殼:28-WFQFN 裸露焊盤 供應商設備封裝:28-TQFN-EP（5x5） 包裝:帶卷 (TR) |
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