B&K Precision 4084-4087 - Datasheet - Manual (Page 2)

Included Accessories: BNC to alligator cable, BNC to BNC cable, RS232 communication cable,
power line cord, test report, spare fuse
2 w w w.bk prec ision.c om
Programmable DDS Function Generator Series
Models 4084, 4085, 4086 & 4087
v042114
Specifications
Models 4084 4085 4086 4087
Frequ ency Characte ristics
Sine 1µHz ~ 20MHz 1µHz ~ 40MHz 1µHz ~ 80MHz 1µHz ~120MHz
Square 1µHz ~ 20MHz 1µHz ~ 40MHz 1µHz ~ 40MHz 1µHz ~40MHz
All Other waveforms 1µHz ~ 100kHz
Frequency Stability ±1x10 -6 (22°C ±5°C)
Resolution 1µHz
Accuracy ≤ ± 5x10 -6 (22°C ±5°C)
Data entry Units s, ms, Hz, kHz, MHz
Wave for m Characteris tics
Main Waveforms (Sine, Square)
Amplitude resolution 12 bits
Sample Rate 200MSa/s 300MSa/s
Sine
Harmonic Distortion ≤ - 50dBc (frequency ≤ 5MHz)
of Sine Wave* ≤ - 45dBc (frequency ≤ 10MHz)
≤ - 40dBc (frequency ≤ 20MHz)
≤ - 35dBc (frequency ≤ 40MHz)
≤ - 30dBc (frequency > 40MHz)
THD * 0.1% (20Hz ~ 100kHz)
Square
Rise and fall time* ≤ 15ns
* = Note: Test conditions for harmonic distortion, sine distortion,
rise/fall time Output Amplitude 2Vp-p, Environmental temperature: 25°C±5°C
Others built-in waveforms
27 build-in standard and Sine, Square, Triangle, Positive Ramp, Falling Ramp,
complex waveforms Noise, Pulse, Positive Pulse, Negative Pulse, Positive
DC, Negative DC, Stair wave, Coded Pulse, Full wave
rectified, Half-wave rectified, Sine transverse cut, Sine
vertical cut, Sine phase modulation, Logarithmic,
Exponential, Half-round, Sinx/x, Square root, Tangent,
Cardiac, Earthquake, Combination
Waveform Length 4096 dots
Amplitude Resolution 10 bits
Pulse
Duty Cycle 0.1% ~ 99.9% (below 10kHz),
1% ~ 99% (10kHz ~ 100kHz)
Rise/Fall Time ≤ 100ns (Duty Cycle 20%)
DC signal characteristics
DC range ≤ 10mV – 10V (high impedance)
DC Accuracy ≤ ±5% of setting +10mV (high impedance)
Arbitrary
Non volatile memory 8 waveforms
Waveform length 8~16000 points
Amplitude resolution 10 bits
Frequency range 1µHz~100kHz
Sample rate 200MSa/s
A mplitu de Characteristics
Amplitude Range
For all models Freq ≤ 40MHz: 2mV ~ 20Vpp (open circuit) , 1mV ~ 10Vpp (50Ω)
4084, 4085, 4086 Freq > 40MHz: 2mV ~ 4Vp-p (open circuit), 1mV ~ 2Vpp (50Ω)
4087 Freq > 40MHz: 0.1mV ~ 3Vpp (50Ω)
Resolution 2µVpp (open circuit), 1µVpp (50Ω)
Accuracy ± 1%+0.2mV (sine wave relative to 1kHz)
Stability ±0.5 % /3 hours
Flatness
For amplitude ≤ 2Vpp ±3% (freq≤ 5MHz), ±10% (5MHz
For amplitude >2Vpp: ±5% (freq≤ 5MHz), ±10% (5MHz
±20% (frequency>20MHz)
±1dBm (frequency>40MHz)
Output Impedance 50Ω
Output Units Vpp, mVpp, Vrms, mVrms, dBm
DC Offset Characteristics
Offset Range (open circuit) Freq ≤ 40MHz: ±10Vpk ac+dc (Offset ≤ 2 x pk - pk amplitude)
Freq > 40MHz: ±2Vpk ac+dc (Offset ≤ 2 x pk - pk amplitude)
Offset Resolution 2µV (open circuit), 1µV (50Ω)
Offset Error ±5% of setting +10mV (Ampl. ≤ 2Vpp into open circuit)
±5% of setting +20mV (Ampl. > 2Vpp into open circuit) Three-Year Warranty
Modu lation
AM Characteristics
Carrier Waveforms Sine or Square
Modulation Source Internal or external
Internal Modulating Waveform Sine, Square, Triangle, Rising/Falling Ramp
Frequency of modulating signal 100µHz ~ 20kHz
Distortion ≤ 2%
Modulation Depth 1% ~ 120%, 1% ~ 80% (frequency>40MHz,
Ampl > 2Vpp into open circuit)
Modulation Error ± 5%+0.2% (100µHz < frequency ≤ 10kHz)
±10%+2% (10kHz < frequency ≤ 20kHz)
Max. Amplitude of ext. input signal 3Vp-p (-1.5V~ +1.5V)
FM Characteristics
Carrier Waveforms Sine or Square
Modulation Source Internal or external
Internal Modulating Waveform Sine, Square, Triangle, Rising/Falling Ramp
Frequency of modulating signal 100µHz ~ 10kHz
Deviation Max. 50% of carrier frequency for internal FM
Max 100kHz (carrier frequency≥ 5MHz) for external
FM, with input signal voltage 3Vp-p (-1.5V~+1.5V)
FSK Characteristics
Carrier Waveform Sine or Square
Control ModeI Internal or external trigger (external: TTL level,
low level F1, high level F2)
FSK Rate 0.1ms ~ 800s
PSK Characteristics
Carrier Waveform Sine or Square
PSK Phase1 (P1) and Phase 2 (P2), range: 0.0 ~ 360.0°
Resolution 0.1°
PSK rate 0.1ms ~ 800s
Control Mode Internal or external trigger (external: TTL level,
low level P1, high level P2)
Burst Characteristics
Waveform Sine or Square
Burst Counts 1 ~ 10000 cycles
Time interval between bursts 0.1ms ~ 800s
Control Mode Internal, single or external gated trigger
Frequency Sweep Characteristics
Waveform Sine or Square
Sweep Time 1ms ~ 800s (linear), 100ms ~ 800s (log)
Sweep Mode Linear or Logarithmic
Start/ Stop Frequency Same as frequency range of Sine & Square
External trigger signal frequency DC ~ 1kHz (linear) DC~10Hz (log)
Control Mode
Internal or external trigger
I npu ts/ Outputs
Main Output
Impedance 50Ω
Protection Short circuit and overload protected
Output MOD OUT
Frequency 100Hz ~ 20kHz
Waveform Sine, Square, Triangle, Rising/Falling Ramp
Amplitude 5Vp-p ± 5%
Output Impedance 600Ω
Modulation IN 3Vpp = 100% Modulation
External Input Trig/FSK/Burst Level - TTL
Univ ersal Cou nter, Ke y Specs*
Frequency Range
Frequency Measurement 1Hz ~ 100MHz
Totalize mode 50MHz max
* For full specification of the counter section, refer to online manual at www.bkprecision.com
Ge neral
AC Input 198~242V or 99~121V, Frequency: 47~ 63Hz
Power Consumption <35VA
State Storage Memory
Storage Parameters frequency, amplitude, waveform, DC offset values,
modulation parameters
Storage Capacity 10 user configurable stored states
Dimensions (W x H x D) 10” x 3.93” x 14.56” (255 x 100 x 370 ) mm
Weight 6.6 lbs (3 kg)
Remote Interface RS232
Safety designed according to EN61010
EMC tested according to EN55022, EN55024, EN61326, EN601000