Ametek CH44-VER06 System Manual Download | Manualshive

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New in this Version of the Hybrids System Manual

The balanced resistive & skewed hybrids have been completely redesigned.
Most of the information contained in this manual is new.
While the concept and functionality is the same, no references to the previous manual are made in this

version of the manual.
Schematics are available upon request.

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Summary of Contents for CH44-VER06

Page 1: ...T STAr IN UTILITy CoMMUNICATIoNS Power Line Carrier RF Hybrids Balanced Skewed System Manual CH44 VER06 AMETEK Power Instruments 4050 N W 121st Avenue Coral Springs FL 33065 1 800 785 7274 1 954 344 9...

Page 2: ......

Page 3: ...any products herein to improve reliability function or design Specifications and information herein are subject to change without notice All possible contingencies which may arise during installation...

Page 4: ...tive skewed hybrids have been completely redesigned Most of the information contained in this manual is new While the concept and functionality is the same no references to the previous manual are mad...

Page 5: ...dard warranty extends for 10 years after shipment For all repaired units or advance replacements the standard warranty is 90 days or the remaining warranty time whichever is longer Damage clearly caus...

Page 6: ...nce Transformer 5 1 6 Skewed Hybrid 6 1 7 Typical Applications 7 1 Two Transmitters 7 2 Single FSK Bi Directional Channel 7 2 Dual FSK Bi Directional Channel 7 2 ON OFF DCB with FSK Bi Directional Cha...

Page 7: ...led automatically are included in the price of the chassis Additional spare blank rear cover plates must be purchased separately Viewed from the front hybrids are inserted into the chassis from left t...

Page 8: ...and Chassis Table 1 2 hybrid Accessories Description Part Number Main Purpose Projection Mounting Brackets 1088 820 Change Flush Chassis to Projection Mount Blank Rear Cover Plate 1 Slot 1088 834 Cove...

Page 9: ...nsmitting end for example is a hybrid being used backwards as a splitter instead of a combiner In this example the output becomes the input and the 2 inputs become outputs PLC hybrids are completely p...

Page 10: ...dary The impedance will be transferred as the square of the turns ratio which in this case is 2 to 1 The voltage V will divide equally between the 25 ohm resistor and the 25 ohm reflected load into th...

Page 11: ...OUT 0 dB 3 5 dB Max 0 5 dB Max Insertion Loss Loss IN 2 to OUT 0 dB 3 5 dB Max 14 5 dB Max Transhybrid Loss Isolation IN 1 to IN2 dB 30 dB Min 40 dB Min Table 2 1 hybrid Losses 2 2 Ideal Hybrid Chara...

Page 12: ...tuner with less than 10 reflected power The higher the reflected power is between the output and the line tuner then the worse lower the isolation will be between the two inputs When the line tuner is...

Page 13: ...ing Space Normal Operation 1 RU No Blank Space Required Above or Below Mounting Space High Power Operation 1 RU with an Additional 1 RU Above Below All Transmitters 15 W Transmitters 15 W Table 3 2 Si...

Page 14: ...d Loss Isolation Between Inputs 30 dB Min With Exact Impedance Matching on output Table 3 4 Skewed hybrid Specifications Specification Value Frequency Range 30 535 kHz Max Power TX Input 100 Watts TX...

Page 15: ...coming into the panel before getting to the carrier sets Although if desired the customer may ground the coax shield on a terminal block before coming into the hybrid Again it is important to not run...

Page 16: ...Page 4 2 rF hybrids System Manual Figure 4 1 Front and rear Panel Front Front View Expanded rear...

Page 17: ...February 2018 Page 4 3 Chapter 4 Chassis Figure 4 2 Standard Mounting ground Stud...

Page 18: ...Page 4 4 rF hybrids System Manual Figure 4 3 Projection Mounting ground Stud...

Page 19: ...jumpering it out of the circuit 5 2 2 Test Points for Balanced Hybrid Black Input 1 For IN1 Coax connector Input 2 For IN2 Coax connector Common This is the common for all the test points Output This...

Page 20: ...Page 5 2 rF hybrids System Manual Figure 5 1 Balanced hybrid...

Page 21: ...ont push button switch For customers not desiring the switch it gives them a way of jumpering it out of the circuit 6 2 2 Test Points Red TX For TX Coax connector RX For RX Coax connector Common This...

Page 22: ...R2 R3 R3 R4 R4 SW1 SW1 TP5 TP5 JMP2 JMP2 T1 T1 T2 T2 TERMINATE TERMINATE HI Z HI Z SW ENABLE SW ENABLE SW DISABLE SW DISABLE LINE LINE OUTPUT OUTPUT COMMON COMMON RX RX TX TX TX TX RX RX LINE LINE 100...

Page 23: ...d with less losses than FSK systems when combining together with hybrids where possible as they need higher signal noise ratios than FSK systems See Fig 7 5 If possible transmitters used for common ap...

Page 24: ...Directional Channel T1 FSK UNIT R1 Skw Hybrid To Line Tuner Figure 7 2 Single FSK Bi Directional Channel T1 R1 T2 R2 FSK Unit 2 FSK Unit 1 To Line Tuner Bal Hybrid Skw Hybrid Figure 7 4 oN oFF DCB wit...

Page 25: ...Bi Directional Channel Figure 7 7 Balanced Combiner for Phase to Phase Coupling rear View of hybrid Chassis For Connection Purposes Figure 7 6 Balance Transformer for Phase to Phase Coupling FSK Unit...

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