BKPRECISION 1826B Universal Frequency Counter (6 GHz)

Range: 0.001 Hz to 6 GHz

Resolution: 10 digits

Time Base Stability: ±1 ppm

Frequency: √

Period: √

Totalize: √

Noise Filter: √

Battery Power: 24 Hours

Remote Interface: USB (VCOM)

Input A

Input coupling: AC or DC

Input impedance: 1 MΩ or 50 Ω

Attenuation: 1x or 5x

Active edge: Rising or falling, or width high or low

Low pass: filter Filter in (~50 kHz cut-off) or Out

Trigger threshold

DC coupled: 0 to 2 V (1:1 attenuation) or 0 to 10 V (5:1 attenuation)

AC coupled: Average ± 50 mV (1:1 attenuation) or ±250 mV (5:1 attenuation)

Frequency range

< 0.001Hz to >125MHz (1MΩ, DC coupled)

< 30Hz to > 125MHz (1MΩ, AC coupled)

< 500kHz to > 125MHz (50Ω, AC coupled)

Sensitivity (sinewave): 15 mVrms 30 Hz to 100 MHz, 25 mV to 125 MHz at optimum threshold adjustment

Signal Range: 

1MΩ: DC - 0 to 3.3V (1:1) or 1 to 12V (5:1); AC - up to 1Vrms (3Vpp) (1:1) or up to 4Vrms (12Vpp) (5:1)

50Ω: AC - up to 1V rms above 300kHz

Input B

Input impedance: 50 Ω nominal (AC coupled)

Frequency range: < 80 MHz to > 3 GHz

Sensitivity (sinewave): 12 mVrms 80 MHz to 2 GHz, 25 mVrms to 2.5 GHz, 50 mVrms to 3 GHz

Input signal range: < 0 dBm recommended, + 13 dBm (1 Vrms) maximum

Input C

 Input impedance: 50 Ω nominal (Ac coupled) in-band. 250 k Ω at DC

Frequency range: 2 GHz to 6 GHz (typically 1.8 GHz to 7.5 GHz)

Sensitivity: 25 mVrms (-19 dBm) 2 GHz to 6 GHz

Maximum input signal: < + 16 dBm (1.5 Vrms); damage level + 25 dBm

External Reference Input

Input impedance: > 100 kΩ, AC coupled

Frequency: 10 MHz

Signal level: TTL, 3 Vpp to 5 Vpp CMOS or 1 to 2 Vrms sinewave

Timebase

Measurement clock: 50 MHz

Internal reference: 10 MHz TCXO with electronic calibration adjustment (> ± 8 ppm)

Temperature stability: Better than ± 1 ppm over rated temperature range

Initial error: < ± 0.2 ppm at 21 °C

Aging rate: < ± 1 ppm first year

General

Interface: USB (VCOM)

Display: No. of Digits: 10 digits, Size: 0.5 in (12.5 mm)

Battery: 2500 mAh NiMH cells (x3), Last 24 hours per full charge (typical), Recharge > 4 hours

AC Adapter: 85 to 240 V, 50 or 60 Hz

Power Consumption: 5W max at DC input to unit; 15VA max at AC adapter input (charging)

Operating Range: +5°C to +40°C, 20% to 80% RH

Electrical safety: Complies with EN61010-1

EMC: Complies with EN61326

Weight: 2.1 lbs (950 g) plus 0.4 lbs (170 g) AC adapter

Dimensions (W x H x D): 10.2 in x 3.5 in x 9.3 in (260 x 88 x 235 mm)

Datasheet