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Broadband 50 ? Distribution Amplifier

Broadband 50 ? Distribution Amplifier

Broadband 50 ? Distribution Amplifier

Product catalog summary
Introduction
The FS73X series by Stanford Research Systems includes distribution amplifiers for 5 MHz, 10 MHz, CMOS, and broadband applications. The series comprises the FS730 (benchtop) and FS735 (rack-mount) models, designed for various signal distribution needs.

5 MHz and 10 MHz Distribution Amplifiers
The FS730 and FS735 models distribute low-noise frequency references with amplitude leveling and low additive phase noise. The FS730 offers one input and seven outputs, while the FS735 provides two inputs, each with seven outputs. Inputs are AC coupled with a 50 Ω impedance. Key features include amplitude modulation removal, fixed output amplitude, and noise blocking. Outputs provide a 1 Vrms sine wave into a 50 Ω load.

CMOS Distribution Amplifiers
These amplifiers distribute CMOS level logic pulses with high input impedance and fast transition times. The FS730 and FS735 models offer one and two inputs respectively, each with seven outputs. Inputs have a 1 kΩ impedance and a switching threshold of +1.3 VDC. Outputs are driven by separate drivers for high isolation and have fast transition times.

Broadband Distribution Amplifiers
The FS730 and FS735 models distribute broadband analog signals from DC to 100 MHz. They feature flat frequency response, large dynamic range, and low noise. Inputs and outputs are DC coupled with 50 Ω or 75 Ω impedance options.

Specifications
  • 5 MHz & 10 MHz Amplifiers: Input frequency of 5 MHz or 10 MHz, output sine waveform, and isolation >100 dB.
  • CMOS Amplifiers: Input impedance of 1 kΩ, output levels of 0 V and 5 V, and rise/fall times <1.5 ns.
  • Broadband Amplifiers: Input impedance of 50 Ω or 75 Ω, bandwidth >100 MHz, and noise <15 nV/√Hz.

Configuration & Ordering
The FS73X series can be configured as benchtop or rack-mount units. Various models are available with different input and output configurations, including options for 50 Ω and 75 Ω terminations. Pricing starts at $950 for the FS730/3 CMOS logic distribution amplifier.

General Information
Power requirements are 10 W with multiple AC voltage options. The FS730 dimensions are 8.3" × 1.5" × 8.0", and the FS735 dimensions are 17" × 1.5" × 8.0". A one-year warranty covers parts and labor for defects in materials and workmanship.
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Catalog excerpts

Broadband 50 ? Distribution Amplifier-1

Distribution Amplifiers FS73X series — 5 MHz, 10 MHz, broadband & CMOS distribution amplifiers FS735/1/4 rear panel with one Broadband 50 Ω Distribution Amplifier and one 10 MHz Distribution Amplifier side by side. FS73X Series Distribution Amplifiers 5 MHz and 10 MHz Distribution · Amplitude leveling · Low additive phase noise · Excellent isolation CMOS Distribution · High input impedance w/ hysteresis · High current outputs · Fast transition times 50 Ω and 75 Ω Broadband Distribution · Large dynamic range The FS730 (benchtop) and FS735 (19" rack-mount) systems distribute low-noise 5 MHz and 10 MHz frequency references. The FS730 has one input and seven outputs, and the FS735 is a dual-amplifier system with two inputs, each with seven outputs. Inputs are AC coupled, and the source impedance is 50 Ω at 5 MHz or 10 MHz. Each input is conditioned by a limiter which provides several advantages: it removes amplitude modulation from the input signal, fixes the output amplitude, and any input noise that 10 MHz Distribution Amplifier Limiter Characteristic · Flat frequency response Introducing the FS730 and FS735 Distribution Amplifier series — 5 MHz, 10 MHz, CMOS, and Broadband models for a variety of applications. · FS730 ... starting at $950 (U.S. list) · FS735 ... starting at $1050 (U.S. list) 10 MHz distribution amplifier limiter characteristics Stanford Research Systems

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Broadband 50 ? Distribution Amplifier-2

FS730 and FS735 Series Distribution Amplifiers occurs more than 50 mV away from the zero-crossing is blocked. Virtually any waveform with a duty cycle near 50 % may be used as an input. with two inputs, each with seven outputs. All inputs and outputs are logic levels. The Schmitt trigger inputs have a switching threshold of +1.3 VDC with 0.35 V of hysteresis. The input impedance is 1 kΩ. Each output has a 50 Ω source impedance with logic levels of 0 and 5.0 VDC. The 50 Ω source impedance will reverse terminate reflected pulses when driving unterminated lines. High impedance loads will be driven...

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Broadband 50 ? Distribution Amplifier-3

FS730 and FS735 Series Distribution Amplifiers FS730 has one input and seven outputs, and the FS735 is a dual-amplifier system with two inputs, each with seven outputs. The inputs and outputs are DC coupled and each have a 50 Ω (Opt. 4) or 75 Ω (Opt. 5) impedance. Applications include the distribution of frequency references, IRIG timing signals, composite video, audio, etc. There are four indicator LEDs. The “power” LED indicates that the unit has AC power. The “signal” LED indicates that an input signal greater that 300 mV is present. The “overload” LED indicates that the input signal has exceeded...

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Broadband 50 ? Distribution Amplifier-4

Broadband Distribution Amplifiers Frequency Level Waveform Impedance Coupling 5 MHz or 10 MHz, ±1 % 0 dBm to +16 dBm (0.6 Vpp to 4 Vpp) Any with ≈ 50 % duty 50 Ω, ±5 % at 10 MHz Series LC (open at DC) Impedance Linear range Damage (DC) Damage (1 µs) Output Impedance Nominal load Output Waveform THD Level (50 Ω load) Level (high-Z load) Impedance Coupling Bandwidth (–3 dB) Spurious Isolation Pulling TC of phase Sine <1 % +13 ± 1 dBm (1 Vrms, 2.82 Vpp) 2 Vrms (5.6 Vpp) 50 Ω, ±5 % at 5 MHz / 10 MHz Transformer (short at DC) ±200 kHz (10 MHz) ±100 kHz (5 MHz) <–120 dBc within 100 kHz >100 dB <1 ps...

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All Stanford Research Systems catalogs and technical brochures

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  3. FS730/1

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  5. PRS10

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  6. SR715/720

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.