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參數資料
| 型號： | ADS-41V-1000 |
| 廠商： | MERRIMAC INDUSTRIES INC |
| 元件分類： | 衰減器 |
| 英文描述： | 50 MHz - 1500 MHz RF/MICROWAVE VARIABLE ATTENUATOR, 4 dB INSERTION LOSS-MAX |
| 封裝： | DIP-24 |
| 文件頁數： | 1/1頁 |
| 文件大小： | 127K |
| 代理商： | ADS-41V-1000 |
TRUTH TABLE
Attenuation
Control Inputs
Setting, dB
‘‘6" ’’7" ‘‘8" ’’9"
Reference
0
1
0
2
0
1
0
4
0
1
0
8
0
1
‘‘1" = Logic High TTL
‘‘0" = Logic Low TTL
V Package Outline - 24 pin Dual In Line
GENERAL SPECIFICATIONS
Frequency Range:
50 - 1500 MHz
Attenuation Range:
0 - 15 dB
Minimum Step Size:
1 dB
Attenuation Flatness:
± 0.5 dB/bit max.
± 1.0 dB max
Attenuation Accuracy:
± 0.5 dB at fo
Insertion Loss:
4 dB max.
Phase Variation:
± 10° typ.
VSWR:
1.7:1 max.
Impedance:
50
nom.
Switching Delay Time:
2
s typ.
(50% control transition to 10/90% RF)
Switching Transients:
20 mV typ.
(50% control transition to 10/90% RF)
Bias Requirement:
+5 VDC
@ 80 mA nom.
Input Intercept Point:
+32 dBm typ.
Input Power:
0.25 W max.
Weight, nominal:
0.4 oz (11 g)
Operating Temperature:
-- 55° to +85°C
ADS-41V-1000
15 dB DIGITAL ATTENUATOR
50 to 1500 MHz / 0 to 15 dB in 1 dB Steps / 4-Bit Direct TTL Control / Monotonic / +5V Supply
For further information contact MERRIMAC / 41 Fairfield Pl., West Caldwell, NJ, 07006 / 973-575-1300 / FAX 973-575-0531
NOTES:
1. Tolerance on 3 place decimals
± .010(.25) except as noted.
2. Dimensions in inches over millimeters.
3. Lead dimensions apply only at body.
4. All unmarked terminals are ground.
General Notes:
1. The ADS-41V-1000 is constant impedance, 4-bit digital attenuator covering 50 to 1500 MHz and driven directly by TTL logic. PIN diode switched attenuator pads are
activated by Advanced Fact
C-MOS, TTL compatible logic drivers, allowing high speed operation without need of a negative supply.
2. Careful design of thick film resistive pads and detailed selection of suitable PIN diodes provide a wide bandwidth with minimal phase shift.
25Mar96
Typical Performance
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