PTM-84A-100B [CRANE]
60MHz - 140MHz, 0deg - 360deg RF/MICROWAVE DIGITALLY CONTROLLED PH SHFTR;型号: | PTM-84A-100B |
厂家: | Crane Aerospace & Electronics. |
描述: | 60MHz - 140MHz, 0deg - 360deg RF/MICROWAVE DIGITALLY CONTROLLED PH SHFTR 射频 微波 |
文件: | 总2页 (文件大小:105K) |
中文: | 中文翻译 | 下载: | 下载PDF数据表文档文件 |
8-BIT DIGITAL PHASE SHIFTER
PTB & PTM-84A Series
20 to 100 MHz / 1.4 Phase Resol. / Monotonic / Broadband, Switched Cable Design / BNC or SMA
PRINCIPAL SPECIFICATIONS
GENERAL SPECIFICATIONS
Calibration
Frequency,
fc, MHz
SMA
Model
Number
BNC
Model
Number
Phase Shift Range: 0° to 360° nom. @ fc
Least Significant Bit: 1.4°
Most Significant Bit : 180°
Usable
Bandwidth
Accuracy at, fc:
1/2 of LSB typ.
20 to 100
fc ± 40%
PTM-84A-**B
PTB-84A-**B
guaranteed monotonic
For complete model number replace ** with desired calibration frequency, fc in MHz.
Impedance:
VSWR:
50 W nom.
1.3:1 max.
Insertion Loss, IL:
IL, Variation vs. Cont: ±0.2 dB @ mid band
Max. Input Power:
2.5 dB nom., 4 dB max.
General Notes:
1. PTB- & PTM-84A series phase shifters provide up to 360° of phase shift at a
selected calibration frequency in 8 binary increments (255 steps) resulting in 1.4°
resolution. Each step is generated with different cable lengths switched with PIN
diodes. Advantages of the switched-line phase shifter over the digitally controlled
analog type include potential for higher accuracy and smaller value of the Least
Significant Bit (LSB).
2. Phase shifters based on cable switching are inherently stable and well
matched. Phase shift can be set and held very closely in binary increments from
the LSB to the MSB (Most Significant Bit).
+10 dBm
8 Bit TTL
Control Input:
@ 2 loads max. per Bit
Logic Sense:
Positive
+5 VDC@250 mA max.
Supply Power:
Settling Time:
Weight, nominal:
Operating Temp:
4 ms max.
10 oz (285 g)
-- 55° to +85°C
3. This series can be calibrated up to 100 MHz and used to 180 MHz while the
related PTM-84B series extends coverage to 500 MHz.
Functional Schematic Diagram
24May96
ForfurtherinformationcontactMERRIMAC/41FairfieldPl.,WestCaldwell,NJ,07006/ 973-575-1300/FAX973575-0531
8-BIT DIGITAL PHASE SHIFTER
PTB & PTM-84A Series
20 to 100 MHz / 1.4 Phase Resol. / Monotonic / Broadband, Switched Cable Design / BNC or SMA
Package Outline
NOTES:
1. Tolerance on 3 place decimals
±.020(.51) except as noted.
2. Dimensions in inches over mm.
Bit
Phase
Increment
LSB
1
2
3
4
5
6
7
8
1.40°
2.81°
5.62°
11.25°
22.5°
45.0°
90.0°
180.0°
MSB
26Apr96
ForfurtherinformationcontactMERRIMAC/41FairfieldPl.,WestCaldwell,NJ,07006/ 973-575-1300/FAX973-575-0531
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