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參數資料
| 型號： | DTF-2A-1250 |
| 英文描述： | Analog IC |
| 中文描述： | 模擬IC |
| 文件頁數： | 1/1頁 |
| 文件大?。?/td> | 50K |
| 代理商： | DTF-2A-1250 |
Package Outline
For further iformatin contact
MERRIMAC 1 aifil l,West alwel,NJ,07006
973-
575-300 AX
973
-75-531
DTF-A Series
1 o 500 Hz 10 o 15 Bm O iRelHermeti ackage
DOUBLE BALANCED MIXER
General Notes:
1. The DTF-A series Termination Insensitive Mixers cover the frequency range of 1 to 3500 MHz using transmission line
hybrid junction techniques to isolate the diode rings from termination mismatch-induced reflections. This means the
intermodulation ratio is independent of the IF port load impedance, so this unit is ideal for applications where a high
performance mixer must drive a reactive load (e.g., filter) at the IF port. The DTF-A series and related models are available
in PC, SMD and connectorized packages.
2. Merrimac offers a broad selection of Double Balanced Mixers ideal for a variety of signal processing functions with
frequencies ranging from 20 kHz to 20 GHz and for applications from routine to very special.
3. Merrimac mixers comply with MIL-M-28837 and may be supplied screened for compliance with additional specifications
for military and space specifications requiring the highest reliability.
PRINCIPAL SPECIFICATIONS
RF/LO
Frequency,
MHz
LO
Drive,
Nom.
+10 dBm 10 - 200
200 - 2500
Operating
Range,
MHz
Conversion
Loss, dB,
Max.
7.5
8.5
9.5
7.5
8.5
9.5
Port Isolation, Min.
L-R
L-X R-X
dB
dB
30
30
25
25
25
25
35
30
30
25
28
25
1 dB
Compr. Intercept Desens.
Point
Point
+7
+14
dBm
dBm
(typ.)
(typ.)
+13
+20
dBm
dBm
(typ.)
(typ.)
Input
1 dB
Model
Number
DTF-2A-1250 1 - 3500
Typ.
6.5
7.0
8.0
6.5
7.0
8.0
dB
30
23
20
30
25
20
Level
+5
dBm
(typ.)
+11
dBm
(typ.)
1 - 3500
DTF-4A-1250 1 - 3500
+15 dBm 10 - 200
200 - 2500
1 - 3500
All specifications are as measured in a 50
system, at nominal LO power in a down converter application
NOTES:
±
.010(.25) except as noted.
1. Tolerance on 3 place decimals
GENERAL SPECIFICATIONS
IF Frequency Range:
1 - 1000 MHz
Impedance:
50
nom.
Third Order Intermodulation
Ratio Degradation:
3 dB typ. for IF
VSWR of 3.0:1
Useful LO Drive Range:
±
3 dB of nominal
SSB Noise Figure:
Within
±
1 dB of
Conversion Loss
Weight, nominal:
0.15 oz (4.2 g)
Operating Temperature: – 55° to +85°C
29Apr96
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