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Summary of Contents for Ametek CH44-VER06
- 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 System Manual CH44–VER06 AMETEK Power Instruments 4050 N.W. 121st Avenue Coral Springs, FL 33065 1–800–785–7274 1–954–344–9822 www.ametekpower.com...
- Page 3 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 4 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.
- Page 5 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 6: Table Of Contents
Table of Contents Chapter No. Page No. Ordering Information ..........1–1 Purpose, Basic Operation &... -
Page 7: Ordering Information
Balanced combiner includes interconnecting cables and requires position 3 to be “B4”. This option is for redundancy in phase-to- phase coupling schemes. Position 6 is only used when an optional board is present. Otherwise this catalog number position is blank. Copyright © AMETEK Power Instruments... - Page 8 rF hybrids System Manual Table 1–1. hybrids and Chassis. 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 1RU Chassis Flush Mounting 1088-780 670B695H01 (2RU Mounting Plate) 1RU Chassis Projection Mounting...
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Page 9: 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 10 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 11 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 12 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 13: 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 14 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...
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Page 15: 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 before getting to the carrier sets. - Page 16 rF hybrids System Manual Page 4–2...
- Page 17 Chapter 4. Chassis ground Stud Figure 4–2. Standard Mounting. February 2018 Page 4–3...
- Page 18 rF hybrids System Manual ground Stud Figure 4–3. Projection Mounting. Page 4–4...
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Page 19: Balanced Hybrid / Balance Transformer
This prevents loss of the carrier signal when 5.2.2 Test Points for Balanced Hybrid inserting the meter, therefore, there is no need to (Black) • Input 1 – For IN1 Coax connector take the system out of service when properly using this switch. Copyright © AMETEK Power Instruments... - Page 20 rF hybrids System Manual Figure 5–1. Balanced hybrid. Page 5–2...
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Page 21: 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 22 rF hybrids System Manual Figure 6–1. Skewed hybrid. Page 6–2...
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Page 23: 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 24: Two Transmitters
rF hybrids System Manual To Another Hybrid or To Line Hybrid Line Hybrid UNIT Tuner Tuner Figure 7–1. Figure 7–2. Two Transmitters. Single FSK Bi-Directional Channel. Hybrid Unit 1 To Line Hybrid Tuner Unit 2 Figure 7–3. Dual FSK Bi-Directional Channel. Legend: For All Application Drawings Hybrid... -
Page 25: On/Off Dcb With Dual Fsk Bi-Directional Channel
Chapter 7. Typical Applications Hybrid Unit 1 Hybrid To Line Unit 2 Hybrid Tuner ON/OFF Figure 7–5. oN/oFF DCB with Dual FSK Bi-Directional Channel. Figure 7–6. Balance Transformer for Phase-to-Phase Coupling. rear View of hybrid Chassis (For Connection Purposes) Figure 7–7. Balanced Combiner for Phase-to-Phase Coupling.
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