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| PWM-84C Series PHASE SHIFTERS, DIGITAL 30 to 2500 MHz / 360 Range / 1.4 Resolution / 8-bit TTL Input / Monotonic / SMA Connectors Connector J3 Pinout J3 Pin Function Ideal phase characteristic PRINCIPAL SPECIFICATIONS Model Number PWM-84C-***B PWM-84C-****B Typical phase characteristic 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Bit 8 (MSB) Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 (LSB) (NC) -15V (NC) GND (NC) (NC) +15V Center Frequency, fc, MHz 30 - 200 200 - 2500 Operating Bandwidth 30% of fo 10% of fo For complete Model Number replace *** with desired center frequency in MHz GENERAL SPECIFICATIONS LSB Bit 1 2 3 4 5 6 7 8 Step 1.4 2.8 5.6 11.2 22.5 45 90 180 Phase Characteristics: Minimum Shift: 0 to 360 in 255 steps @ fc Phase Accuracy, typ: 15 ( 30above 1 GHz) (Guaranteed Monotonic) MSB Package Outline RF Characteristics: Impedance: VSWR: Insertion Loss: 50 nom. 2.0:1 max. 2 dB nom, 3 dB max. (3 dB nom, 4.5 dB max above 1 GHz) Loss Var. vs. Phase:1 dB (1.5 dB above 1 GHz) Max. Input Power: +10 dBm Control Characteristics: Control Input : 8 Bit TTL Settling Time: 3 s max. Supply Power: 15 VDC @ 100 mA max. Weight, nominal: 4.5 oz (125 g) Operating Temp.: -- 55 to +85C NOTES: 1. Tolerance on 3 place decimals .020(.51) except as noted. 2. Dimensions in inches over millimeters. 26Apr96 General Notes: 1. Phase Shifters in the PWM-84C series provide a minimum of 360 phase shift in 8 binary increments (255 steps) of approximately 1.4 each. Phase shift is produced using a series of frequency independent analog phase shifters which are driven by an 8-bit D/A converter. This method, unlike conventional switched cable designs is guaranteed to be monotonic even at higher frequencies. 2. The monotonic feature of this design is advantageous when used for control applications in closed loop systems. F rf t e if r to c n a tM ERRI AC /41 Faifel Pl,W estCal el,NJ,07006 / 973o ur h r n o ma in o t c M ri d . dw l 5751300 /FAX 973- 0531 575- |
Price & Availability of PWM-84C-200B
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