Clock Generator CG635 SRS Stanford Research System

Mã sản phẩm: CG635 |
Thương hiệu: SRS Stanford Research System

Giá bán: Liên hệ
The CG635 generates extremely stable square wave clocks between 1 µHz and 2.05 GHz. The instrument's high frequency resolution, low jitter, fast transition times, and flexible output levels make it ideal for use in the development and testing of virtually any digital component, system or network.

Yêu Cầu Giá Tốt

Thông tin sản phẩm

Frequency

Range DC, 1 µHz to 2.05 GHz
Resolution 16 digits (f ≥ 10 kHz), 1 pHz (f < 10 kHz)
Accuracy Δf < ±(2× 10-19 + timebase error) × f
Settling time <30 ms
Timebase (20 °C to 30 °C ambient)
Stability <5 ppm (std. timebase)
><0.01 ppm (opt. 02 OCXO)
<0.0001 ppm (opt. 03 Rb timebase)
Aging <5 ppm/year (std. timebase)
<0.2 ppm/year (opt. 02 OCXO)
<0.0005 ppm/year (opt. 03 Rb timebase)
External input 10 MHz ± 10 ppm, sine >0.5 Vpp, 1 kΩ
Output 10 MHz, 1.41 Vpp sine into 50 Ω
Phase Noise (at 622.08 MHz)
100 Hz offset < -90 dBc/Hz
1 kHz offset < -100 dBc/Hz
10 kHz offset < -100 dBc/Hz
100 kHz offset < -110 dBc/Hz
Jitter and Wander
Jitter (rms) <1 ps (1 kHz to 5 MHz bandwidth)
Wander (p-p) <20 ps (10 s persistence)
Time Modulation (Rear-panel input, 1 kΩ)
Sensitivity 1 ns/V, ±5 %
Range ±5 ns
Bandwidth DC to greater than 10 kHz
Phase setting
Range ±720° (max. step size ±360°)
Resolution <14 ps
Slew time <300 ms
Q and −Q Outputs
Outputs Front-panel BNC connectors
Frequency range DC to 2.05 GHz
High level -2.00 V ≤ VHIGH ≤ +5.00 V
Amplitude 200 mV ≤ VAMPL ≤ 1.00 V
(VAMPL ≡ VHIGH - VLOW)
Level resolution 10 mV
Level error <1 % + 10 mV
Transition time <100 ps (20 % to 80 %)
Symmetry <100 ps departure from nominal 50 %
Source impedance 50 Ω(±1 %)
Load impedance 50 Ω to ground on both outputs
Pre-programmed levels PECL, LVDS, +7 dBm, ECL
CMOS Output
Output Front-panel BNC
Frequency range DC to 250 MHz
Low level -1.00 V ≤ VLOW≤ +1.00 V
Amplitude 500 mV ≤ VAMPL ≤ 6.00 V
(VAMPL ≡ VHIGH - VLOW)
Level resolution 10 mV
Level error <2 % of VAMPL+ 20 mV
Transition time <1 ns (20 % to 80 %)
Symmetry <500 ps departure from nominal 50 %
Source impedance 50 Ω (reverse terminates cable reflection)
Load impedance Unterminated 50 Ω cable of any length
Attenuation (50 Ω load) Output levels are divided by 2
Pre-programmed levels 1.2 V, 1.8 V, 2.5 V, 3.3 V or 5.0 V
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