Stanford SR844 ロックインアンプ (25 kHz to 200 MHz)
生産者: Stanford Model: SR844 品物を保証します: 12 Month - 要件クオート
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전화번호: いい価格のため、連絡しなさい
ホットライン: (+84) 968060220
電話番号: +84 (24)62923267
Signal Channel:
Voltage input: Single-ended BNC
Input impedance: 50 Ω or 1 MΩ + 30 pF
Damage threshold: ±5 V (DC + AC)
Bandwidth: 25 kHz to 200 MHz
Sensitivity:
<1 MHz: 100 nVrms to 1 Vrms full scale
<50 MHz: 1 µVrms to 1 Vrms full scale
<200 MHz: 10 µVrms to 1 Vrms full scale
Gain accuracy:
<50 MHz: ± 0.25 dB
<200 MHz: ± 0.50 dB
Gain stability: 0.2 %/°C
Reference Channel:
External reference input: 25 kHz to 200 MHz
Impedance: 50 Ω or 10 kΩ + 40 pF
Level: 0.7 Vpp pulse or 0 dBm sine
Pulse width: >2 ns at any frequency
Threshold setting: Automatic, midpoint of waveform
Acquisition time:
<10 s (auto-ranging, any frequency)
<1 s (within same octave)
Internal reference: 25 kHz to 200 MHz
Frequency resolution: 3 digits
Frequency accuracy: ±0.1 in the 3rd digit
Demodulator:
Zero stability: Digital displays have no zero-drift. Analog outputs have <5 ppm/°C drift for all dynamic reserve settings.
Time constants: 100 µs to 30 ks with 6, 12, 18 or 24 dB/octave rolloff
”No Filter” mode: 10 to 20 µs update rate (X and Y)
Harmonic rejection:
Odd harmonics: -9.5 dBc at 3 × ref, -14 dBc at 5 × ref, etc. (20log 1/n where n = 3, 5, 7, 9...)
Even harmonics: <-40 dBc
Sub-harmonics: <-40 dBc
Displays:
Channel 1:
Type: 4½-digit LED with 40-segment bar graph
Quantities: X, R (V or dBm), X-noise, Aux In 1
Channel 2:
Type: 4½-digit LED with 40-segment bar graph
Quantities: Y, Θ, Y-noise (V or dBm), Aux In 2
Channel 1 and Channel 2 Outputs:
Voltage range: ±10 V full scale proportional to X, Y or CH1, CH2 displayed quantity
Update Rate:
X, Y: 48 to 96 kHz
R, Θ, Aux inputs: 12 to 24 kHz
X-noise, Y-noise: 512 Hz
Auxiliary Inputs and Outputs:
Inputs: 2
Type: Differential, 1 MΩ
Range: ±10 V
Resolution: 0.33 mV
Bandwidth: 3 kHz
Outputs: 2
Range: ±10 V
Resolution: 1 mV
General:
Interfaces: IEEE-488.2 and RS-232 interfaces are standard. All instrument functions can be controlled and read through the interfaces.
Power: 70 W, 100/120/220/240 VAC, 50/60 Hz
Dimensions: 17" × 5.25" × 19.5" (WHL)
Weight: 23 lbs.
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