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Related Manuals for Ametek CH44-VER08
Summary of Contents for Ametek CH44-VER08
- Page 1 R F H y b r i d s B a l a n c e d & S k e w e d (and Optional Boards) System Manual CH44–VER08 AMETEK Power Instruments 4050 N.W. 121st Avenue Coral Springs, FL 33065 1–800–785–7274 1–954–344–9822 www.ametekpower.com...
- Page 2 Failure to do so may result in injury to personnel or damage to the equipment, and may affect the equipment warranty. AMETEK does not assume liability arising out of the application or use of any product or circuit described herein. AMETEK reserves the right to make changes to any products herein to improve reliability, function or design.
- Page 3 New in this Version of the Hybrids System Manual A new option board, the PLC Test Board, was added. Specifications for the Balance Transformer and Balanced Combiner were added, and other device specifications were updated. Schematics are available upon request. April 2023...
- Page 4 Equipment Return & Repair Procedure To return equipment for repair or replacement: 1. Call your AMETEK representative at 1–800–785–7274 or e-mail us at repair.pulsar@ametek.com. 2. Request an RMA number for proper authorization and credit.
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Page 5: Table Of Contents
Table of Contents Chapter No. Page No. Ordering Information ..........1–1 Purpose, Basic Operation &... -
Page 6: Ordering Information
Position 6 is only used when an optional board is present. Otherwise this catalog number position is blank. There can be more than one type of optional board and thus multiple suffix codes. Copyright © AMETEK Power Instruments... - Page 7 RF Hybrids System Manual Loose Piece Table 1–1. Hybrids & Optional Boards Description Part Number Equivalent Old Hybrid Type Balanced Hybrid (Resistive) CH20-BALMN-001 Resistive H1RB or H1RB-40 Skewed Hybrid (Resistive) CH20-SKWMN-001 Skewed H1SB or H1SB-R Balance Transformer CH20-BALMN-002 Resistive H1RB or H1RB-40 PLC Test Board CH20-TSTMN-001 None...
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Page 8: Purpose, Basic Operation & Testing
S/N ratio. At the transmit output becomes the input and the 2 inputs become end, only the transmit signal gets attenuated as it outputs. goes out to the power-line so we want to keep atten- uation low. Copyright © AMETEK Power Instruments... - Page 9 RF Hybrids System Manual Input Port (ct) Input V / 2 Port Figure 2–1. Resistive Hybrid. A basic balanced hybrid can be used to illustrate turns ratio, which in this case is 2 to 1. The voltage how it isolates two inputs from one another and V will divide equally between the 25 ohm resistor matches impedances as shown in Figure 2–1.
- Page 10 Chapter 2. Purpose, Basic Operation & Testing 2.2 Ideal Hybrid Characteristics • Two input ports are completely isolated from one another. • Two input ports have no loss to the output port. • Internal balance port Z = Output port’s connected Z (There is infinite isolation for inputs when these impedances are exactly equal.) Input 1 TX Path...
- Page 11 RF Hybrids System Manual 2.3 Testing There are no adjustments necessary for the hybrids, but testing for correction operation is recommended. A frequency selective voltmeter is recommended to verify proper operation of the hybrids. See list of suggested suppliers below. Table 2–2.
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Page 12: Specifications
* All Transmitters ≤ 15 W. ** Transmitters > 15 W. Table 3–2. Single Chassis: Weight & Dimension Specifications Equipment Net Weight Height Width Depth Rack inches inches inches Space with 4 Hybrids 1.72 43.7 19.0 12.9 1 RU Copyright © AMETEK Power Instruments... - Page 13 RF Hybrids System Manual Table 3–3. Balanced Hybrid Specifications. Specification Value Frequency Range 30–535 kHz Max Power Each Input 25 Watts Input 1 & Input 2 Impedance 50 Ohms Output Impedance 50 or 75 Ohms Insertion Loss: Each Input to Output* 3.5 dB Max Transhybrid Loss: Isolation Between Inputs* 30 dB Min...
- Page 14 Chapter 3. Specifications Table 3–5. Balance Transformer Specifications. Specification Value Frequency Range 30–535 kHz Max Power for Input 100 Watts Output 1 & Output 2 Impedance 50 Ohms Input Impedance 50 or 75 Ohms Insertion Loss: Input to each Output * 3.2 dB Max Insertion Loss: End-to-End ** 0.4 dB Max...
- Page 15 RF Hybrids System Manual Table 3–7. PLC Test Board Specifications. Specification Value Frequency Range 30–535 kHz Max Power for IN Port (in test mode) 20 W Continuous, 40 W for 2 min. Max Power for LINE Port (in test mode) 10 W Continuous, 20 W for 2 min.
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Page 16: Chassis
This ground connection The chassis may be mounted without any space satisfies the Ametek requirement to have the shield separating it and the device above or below it. of the coax grounded when coming into the panel High Power Operation before getting to the carrier sets. - Page 17 RF Hybrids System Manual Page 4–2 April 2023...
- Page 18 Chapter 4. Chassis April 2023 Page 4–3...
- Page 19 RF Hybrids System Manual Ground Stud Figure 4–3. Standard Mounting. Page 4–4 April 2023...
- Page 20 Chapter 4. Chassis Ground Stud Figure 4–4. Projection Mounting. April 2023 Page 4–5...
- Page 21 RF Hybrids System Manual USER NOTES Page 4–6 April 2023...
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Page 22: Balanced Hybrid / Balance Transformer
• Input 1 – For IN1 Coax connector this switch. • Input 2 – For IN2 Coax connector Copyright © AMETEK Power Instruments... - Page 23 RF Hybrids System Manual Figure 5–1. Balanced Hybrid. Page 5–2 April 2023...
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Page 24: Skewed Hybrid
JMP2 is used to enable or disable the front push- to take the system out of service when properly button switch. For customers not desiring the using this switch. switch, it gives them a way of jumpering it out of the circuit. Copyright © AMETEK Power Instruments... - Page 25 RF Hybrids System Manual Figure 6–1. Skewed Hybrid. Page 6–2 April 2023...
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Page 26: Typical Applications
• ON/OFF DCB Carrier systems should be (See Fig. 7-7) arranged 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) Copyright © AMETEK Power Instruments... -
Page 27: Two Transmitters
RF Hybrids System Manual To Another Hybrid or Hybrid Line Tuner Figure 7–1. Figure 7–2. Two Transmitters. Single FSK Bi-Directional Channel. Figure 7–3. Dual FSK Bi-Directional Channel. Legend: For All Application Drawings Figure 7–4. ON/OFF DCB with FSK Bi-Directional Channel. Page 7–2 April 2023... -
Page 28: Balance Transformer For Phase-To-Phase Coupling
Chapter 7. Typical Applications Figure 7–5. ON/OFF DCB with Dual FSK Bi-Directional Channel. Figure 7–6. Balance Transformer for Phase-to-Phase Coupling. IN 1 IN 1 Primary Line LINE LINE Hybrid Tuner Hybrid System Phase A IN 2 IN 2 IN 1 IN 1 Line Backup... - Page 29 RF Hybrids System Manual USER NOTES Page 7–4 April 2023...
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Page 30: Plc Test Board
Phase to Phase Coupling uses in the chassis. 3-Phase Coupling For 1-RU PLC Hybrid chassis units that shipped before March 2023, please request the correct Control House Line UPLC-II Test Tuner Line Board Figure 8–1. PLC Test Board Location Copyright © AMETEK Power Instruments... - Page 31 RF Hybrids System Manual 8.2 Customer Interface Points Shipped setting = depends on which part number is ordered. 8.2.1 Jumpers An option for customers who want to swap the • J M P 1 ( R X - O n l y t e r m i n a t i o n ) = function of the colors, but it also requires ordering a special -002 board with special front label.
- Page 32 Chapter 8. PLC Test Board appropriate wattage non-inductive 50 Ω resistor. You can then easily calibrate or verify the PLC transmitter’s output power level into this 50 Ω load. Also, a proper 50 Ω load is provided to the line tuner so as not to disturb the impedance of the opposite end of the line.
- Page 33 RF Hybrids System Manual Page 8–4 April 2023...
- Page 34 Chapter 8. PLC Test Board April 2023 Page 8–5...
- Page 35 RF Hybrids System Manual USER NOTES Page 8–6 April 2023...