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參數(shù)資料
| 型號(hào)： | ADS-51V-1000 |
| 廠商： | MERRIMAC INDUSTRIES INC |
| 元件分類(lèi)： | 衰減器 |
| 英文描述： | 50 MHz - 1500 MHz RF/MICROWAVE VARIABLE ATTENUATOR, 5 dB INSERTION LOSS-MAX |
| 封裝： | DIP-24 |
| 文件頁(yè)數(shù)： | 1/1頁(yè) |
| 文件大小： | 121K |
| 代理商： | ADS-51V-1000 |
V Package Outline - 24 pin Dual In Line
TRUTH TABLE
Attenuation
Control Input
Setting, dB
‘‘6" ’’7" ‘‘8" ’’9" ‘‘5"
Reference
0
1
0
2
0
1
0
4
0
1
0
8
0
1
0
16
0
1
‘‘1" = Logic High TTL
‘‘0" = Logic Low TTL
General Notes:
1. The ADS-51V-1000 is a 50 to 1,500 MHz
constant impedance 5-bit digital attenuator
designed to be driven directly from 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. Careful design of thick film resistive
pads and detailed selection of suitable PIN
diodes provide a wide bandwidth with
minimal phase shift.
2. Screened versions with extended
reliability components are available for
applications requiring the highest reliability.
GENERAL SPECIFICATIONS
Frequency Range:
50 - 1500 MHz
Attenuation Range:
0 - 31 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:
5 dB max.
Phase Variation:
± 10° typ. at fo
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
@ 100 mA nom.
Input Intercept Point:
+32 dBm typ.
Power Input
0.25 W max.
Weight, nominal:
0.4 oz (11 g)
Operating Temperature:-- 55° to +85°C
31 dB DIGITAL ATTENUATOR
ADS-51V-1000
50 to 1500 MHz / 0 to 31 dB Attenuation / Monotonic / 5-Bit Direct TTL Drive / +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.
30Apr96
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