Datasheet

Spectrum Analyzers
2680 Series
6
www.bkprecision.com
v021919
Frequency response
Preamplifier
Off
±0.8 dB,
±0.4 dB typ.
On
±0.9 dB,
±0.5 dB typ.
Error and accuracy
Resolution Bandwidth
Switching Uncertainty
1 Hz RBW
Logarithmic resolution ±0.2 dB,
Linear resolution ±0.01, nom.
Input Attenuation
Switching Uncertainty
20 °C to 30 °C, fc = 50 MHz, preamp off,
Relative to 20 dB, 1 to 51 dB attenuation ±0.5 dB
Absolute Amplitude Accuracy
Preamplifier off: ±0.4 dB, input signal -20 dBm
Preamplifier off: ±0.5 dB, input signal -40 dBm
Total Amplitude Accuracy
±0.7 dB
20 °C to 30 °C , Fc>100 kHz, input signal -50 dBm
to 0 dBm, RBW = 1 kHz, VBW = 1 kHz, peak
detector, attenuation = 20 dB,preamp off,
95th percentile reliability
RF Input VSWR
<1.5 nom.
Input attenuation 10 dB, 1 MHz to 3.2 GHz
Distortion and spurious responses
Second Harmonic Distortion
-65 dBc
fc ≥50 MHz, Mixer Level -30 dBm,
attenuation = 0 dB, preamp off, 20 °C to 30 °C
Third-Order Intercept
+10 dBm
fc ≥50 MHz, two -20 dBm tones at input mixer
spaced by 100 kHz, attenuation = 0 dB, preamp off,
20 °C to 30 °C
1 dB Gain Compression
>-5 dBm, nom.
fc ≥50 MHz, attenuation = 0 dB, preamp off,
20 °C to 30 °C
Residual Response
<-90 dBm, typ.
input terminated = 50 Ω,attenuation = 0 dB,
20 °C to 30 °C
Input Related Spurious
<-65 dBc
Mixer level = -30 dBm, 20 °C to 30 °C
Sweep and trigger
Sweep Time 1 ms to 3000 s
Sweep Accuracy Accuracy, Speed
Sweep Mode Sweep, FFT
Sweep Rule Single, Continuous
Trigger Source Free, Video, External
External Trigger
5 V TTL level, 1 kΩ, BNC-female,
rising edge/falling edge
Specifications (continued)
Tracking generator
Frequency Range 100 kHz to 2.1 GHz 100 kHz to 3.2 GHz
Output Level -20 dBm to 0 dBm
Output Level Resolution 1 dB
Output Flatness ±3 dB
Output Maximum
Reserve Level
Mean power: 30 dBm, DC: ±50 Vdc
EMI Pre-compliance option (EMI2680)
Resolution Bandwidth (6 dB) 200 Hz, 9 kHz, 120 kHz
Detector Quasi-peak (following CISPR 16-1-1)
Dwell Time 0 µs to 10 s
Reflection measurement option (RFL2680)
Measurements VSWR, Return loss, Reflect coefficient
RF and 10 MHz input/output
Front panel RF input 50 Ω, N-female
Front panel TG output 50 Ω, N-female
10 MHz reference output 10 MHz, >0 dBm, 50 Ω, BNC-female
10 MHz reference input 10 MHz, -5 dBm to +10 dBm, 50 Ω, BNC-female
General
AC Input 100 V - 240 V, 50 Hz/60 Hz/400 Hz AC
Display
TFT LCD, 1024 × 600 (waveform area 751 × 501),
10.1”
I/O Interface
USB host (type A) USB 2.0
USB device (type B) USB 2.0
LAN 10/100 Base T, RJ45
Temperature
Operating: 0 °C to 50 °C
Storage: -20 °C to 70 °C
Humidity
0 °C to 30 °C , ≤95% RH
30 °C to 50 °C , ≤75% RH
Safety
EN 61010-1:2010, Low Voltage Directive (LVD)
2014/35/EU
Electromagnetic Compatibility EN 61326-1:2013, EMC Directive 2014/30/EU
Dimensions (W x H x D)
15.47” x 8.15” x 4.59”
(393 mm x 207 mm x 116.5 mm)
Weight 10.1 lb (4.60 kg)
Warranty 3 years
Included Accessories Power cord, certificate of calibration
Optional Accessories
EMC Near-field probes (PR262),
reflection bridge (RB2680)