PCM-3-10B [MERRIMAC]
PHASE COMPARATORS; 相位比较器
| 型号： | PCM-3-10B |
| 厂家： | 
MERRIMAC INDUSTRIES, INC. |
| 描述： | PHASE COMPARATORS |
| 文件： | 总1页 (文件大小：94K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
PCM-3 Series
10 to 500 MHz / High Signal Isolation / High Accuracy / SMA Connectors
PHASE COMPARATORS
PRINCIPAL SPECIFICATIONS
GENERAL SPECIFICATIONS
Center
Frequency,
fo, MHz
Usable
Bandwidth,
MHz
RF Characteristics:
Phase Difference Range: 0 - 360°
VSWR (RF/LO):
Model
Number
2.0:1 max.
LO Input Power (Ref.):
+10 ±1 dBm
PCM-3-***B
10 - 500
fo ± 5%
RF Input Power (Unknown): +2 dBm max.
Rise Time/Fall Time: 100 ns typ.
For complete Model Number replace *** with desired Center Frequency, fo in MHz.
Impedance (Unknown & Ref.):50 W nom.
Video Output Characteristics:
Output Voltage as a Function of Relative Phase Angle
160
‘‘X’’ Output:
‘‘Y’’ Output:
K Cos q
K Sin q
Peak Amplitude (RF=0 dBm):150 mV min.
(into 150 W)
Bandwidth:
Impedance (X and Y):
DC-10% of RF
150 W nom.
0
mV
Signal Leakage (Isolation): 30 dB typ.
Output Accuracy:
Amplitude Balance:
± 5 mV max.
Zero Crossing (In-Phase Inputs):± 1° @ fo
-160
0°
90°
180°
270°
360°
Phase Error, Arc tan q:
Weight, nominal:
± 5° @ fo
0.32 oz (9 g)
-- 55 to +85°C
Operating Temperature:
Package Outline
General Notes:
1. Merrimac Phase Comparators provide two output
signals each of which is proportional to the phase
relation of the two inputs.
2. One output is proportional to the sine of the
relative phase angle between the RF and LO inputs
while the other output represents the cosine of the
relative phase angle between the inputs. Using the
sine and cosine outputs together resolves the
inherent p- period ambiguity across four quadrants
for both outputs.
3. The phase comparator is an integrated assembly
consisting of a power divider, two balanced mixers
and a 90° quadrature hybrid. Two diplexers
attenuate the second harmonic (2 fo) at the outputs.
4. Custom designs are available that provide higher
precision and better accuracy. Inquiries concerning
your special applications are welcomed.
NOTES:
1. Tolerance on 3 place decimals ±.020(.51) except as noted.
2. Dimensions in inches over millimeters.
23Feb96
ForfurtherinformationcontactMERRIMAC/41FairfieldPl.,WestCaldwell,NJ,07006/ 973-575-1300/FAX973-575-0531
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